Physics Letters A via MedWorm.comMedWorm.com provides a medical RSS filtering service. Thousands RSS medical sources are combined and output via different filters. This feed contains the latest items from the 'Physics Letters A' source.Fri, 04 Dec 2020 22:35:19 +0100Study on the laser collisional induced fluorescence spectrum of helium plasmas
https://medworm.com/842790463/study-on-the-laser-collisional-induced-fluorescence-spectrum-of-helium-plasmas/
Publication date: Available online 3 December 2020Source: Physics Letters AAuthor(s): Wonwook Lee, Cha-Hwan Oh, Jinsoo Ryu (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Dec 2020 21:38:28 +0100842790463Real time monitoring of the evolution of an epidemic regarded as a physical relaxation process
https://medworm.com/842790462/real-time-monitoring-of-the-evolution-of-an-epidemic-regarded-as-a-physical-relaxation-process/
Publication date: Available online 3 December 2020Source: Physics Letters AAuthor(s): Justin Trujillo, Valerică Raicu (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Dec 2020 21:38:28 +0100842790462Magnetocaloric properties of the spin-S (S ≥ 1) Ising model driven by a time dependent oscillating magnetic field
https://medworm.com/842447458/magnetocaloric-properties-of-the-spin-s-s1-ising-model-driven-by-a-time-dependent-oscilla/
Publication date: Available online 2 December 2020Source: Physics Letters AAuthor(s): Yusuf Yüksel, Erol Vatansever, Ümit Akıncı (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Dec 2020 17:35:59 +0100842447458A theoretical study on the growth of low-dimensional nanocrystals on isotropic substrates
https://medworm.com/842447457/a-theoretical-study-on-the-growth-of-low-dimensional-nanocrystals-on-isotropic-substrates/
Publication date: Available online 2 December 2020Source: Physics Letters AAuthor(s): Ziran Ye, Meinan Lou, Xiqian Jia, Gaoxiang Ye (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Dec 2020 17:35:59 +0100842447457Chaotic dynamics of a rack-pinion-rack device powered by the Casimir force
https://medworm.com/842447456/chaotic-dynamics-of-a-rack-pinion-rack-device-powered-by-the-casimir-force/
Publication date: Available online 2 December 2020Source: Physics Letters AAuthor(s): Ricardo Chacón, Pedro J. Martínez (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Dec 2020 17:35:59 +0100842447456Anisotropy-enhanced optical pulling force on coated nanoparticles due to Fano resonance
https://medworm.com/842278806/anisotropy-enhanced-optical-pulling-force-on-coated-nanoparticles-due-to-fano-resonance/
Publication date: Available online 1 December 2020Source: Physics Letters AAuthor(s): Hongli Chen, Yanyan Huang, Yang Huang (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Dec 2020 03:14:25 +0100842278806The effect of loading strain rates on deformation behavior of Cu/Fe composite
https://medworm.com/842278805/the-effect-of-loading-strain-rates-on-deformation-behavior-of-cufe-composite/
Publication date: Available online 1 December 2020Source: Physics Letters AAuthor(s): Zhijie Lin, Weiwei Pang, Kai Xin, Xiaotong Feng, Fuxing Yin (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Dec 2020 03:14:25 +0100842278805Flexural waves in graded metabeam lattice
https://medworm.com/841073034/flexural-waves-in-graded-metabeam-lattice/
Publication date: Available online 27 November 2020Source: Physics Letters AAuthor(s): Arnab Banerjee (Source: Physics Letters A)Physics Letters AjournalsSun, 29 Nov 2020 00:02:57 +0100841073034Stabilizing meandering scroll waves and ordering scroll wave turbulence by a circularly polarized electric field in highly excitable media
https://medworm.com/840727302/stabilizing-meandering-scroll-waves-and-ordering-scroll-wave-turbulence-by-a-circularly-polarized-el/
Publication date: Available online 26 November 2020Source: Physics Letters AAuthor(s): Teng-Chao Li, Bao-quan Ai, Yi Chen, Bing-Wei Li (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Nov 2020 20:11:31 +0100840727302Synthesize of WO3 thin film supercapacitor and its characterization
https://medworm.com/840727301/synthesize-of-wo3-thin-film-supercapacitor-and-its-characterization/
Publication date: Available online 26 November 2020Source: Physics Letters AAuthor(s): İ.A. Kariper, F. Meydaneri Tezel, Ö. Gökkuş (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Nov 2020 20:11:31 +0100840727301Band splitting induced by momentum-quantization in semiconductor nanostructures: Observation of emission lines in Indium Phosphide (InP) nanotubes
https://medworm.com/840727300/band-splitting-induced-by-momentum-quantization-in-semiconductor-nanostructures-observation-of-emis/
Publication date: Available online 26 November 2020Source: Physics Letters AAuthor(s): Mainak Palit, Basudev Nag Chowdhury, Subhrajit Sikdar, Krishnendu Sarkar, Pallab Banerji, Sanatan Chattopadhyay (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Nov 2020 20:11:31 +0100840727300Editors
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Publication date: 28 January 2021Source: Physics Letters A, Volume 387Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Nov 2020 20:11:31 +0100840727284Spontaneous spatial order in two-dimensional ferromagnetic spin-orbit coupled spin-1 condensate solitons
https://medworm.com/840381973/spontaneous-spatial-order-in-two-dimensional-ferromagnetic-spin-orbit-coupled-spin-1-condensate-soli/
Publication date: Available online 25 November 2020Source: Physics Letters AAuthor(s): S.K. Adhikari (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Nov 2020 16:05:23 +0100840381973Effects of synergy and discounting on cooperation in spatial public goods games
https://medworm.com/840381972/effects-of-synergy-and-discounting-on-cooperation-in-spatial-public-goods-games/
Publication date: Available online 25 November 2020Source: Physics Letters AAuthor(s): Ji Quan, Man Zhang, Xianjia Wang (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Nov 2020 16:05:23 +0100840381972Optimization study of bandgaps properties for two-dimensional chiral phononic crystals base on lightweight design
https://medworm.com/840381971/optimization-study-of-bandgaps-properties-for-two-dimensional-chiral-phononic-crystals-base-on-light/
Publication date: Available online 25 November 2020Source: Physics Letters AAuthor(s): Luyun Chen, Yongjin Guo, Hong Yi (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Nov 2020 16:05:23 +0100840381971Entanglement generation between two solid-state qubits mediated by microwave photons
https://medworm.com/839863718/entanglement-generation-between-two-solid-state-qubits-mediated-by-microwave-photons/
Publication date: Available online 23 November 2020Source: Physics Letters AAuthor(s): Marlon S. Domínguez, H. Vinck-Posada, Edgar A. Gómez (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Nov 2020 21:38:31 +0100839863718Simultaneous enhancement of Seebeck coefficient and electrical conductivity in ZnSnO by the engineering of grain boundaries using post annealing
https://medworm.com/839863717/simultaneous-enhancement-of-seebeck-coefficient-and-electrical-conductivity-in-znsno-by-the-engineer/
Publication date: Available online 23 November 2020Source: Physics Letters AAuthor(s): Jolly Jacob, U. Rehman, K. Mahmood, A. Ali, A. Ashfaq, Nasir Amin, Salma Ikram, Meshal Alzaid, Khurram Mehboob (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Nov 2020 21:38:31 +0100839863717Detecting topological edge states with the dynamics of a qubit
https://medworm.com/839863716/detecting-topological-edge-states-with-the-dynamics-of-a-qubit/
Publication date: Available online 23 November 2020Source: Physics Letters AAuthor(s): Meri Zaimi, Christian Boudreault, Nouédyn Baspin, Nicolas Delnour, Hichem Eleuch, Richard MacKenzie, Michael Hilke (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Nov 2020 21:38:31 +0100839863716Editors
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Publication date: 18 January 2021Source: Physics Letters A, Volume 386Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Nov 2020 21:38:31 +0100839863715Theoretical evidence for the presence of “spin-liquid” like phase in frustrated ferrimagnetic J1 − J2 systems on body-centered cubic lattice
https://medworm.com/838999711/theoretical-evidence-for-the-presence-of-spin-liquid-like-phase-in-frustrated-ferrimagnetic-j1/
Publication date: Available online 20 November 2020Source: Physics Letters AAuthor(s): E. Jurčišinová, M. Jurčišin (Source: Physics Letters A)Physics Letters AjournalsSat, 21 Nov 2020 23:02:34 +0100838999711Giant dipole moment induced by an interface
https://medworm.com/838999710/giant-dipole-moment-induced-by-an-interface/
Publication date: Available online 20 November 2020Source: Physics Letters AAuthor(s): Henk F. Arnoldus (Source: Physics Letters A)Physics Letters AjournalsSat, 21 Nov 2020 23:02:34 +0100838999710Tunable subluminal to superluminal propagation via spatio-temporal solitons by application of Laguerre fields intensities
https://medworm.com/838653022/tunable-subluminal-to-superluminal-propagation-via-spatio-temporal-solitons-by-application-of-laguer/
Publication date: Available online 19 November 2020Source: Physics Letters AAuthor(s): Syed Muhammad Arif, Bakht Amin Bacha, Umer Wahid, Muhammad Haneef, Arif Ullah (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Nov 2020 18:38:26 +0100838653022The influence of non-Gaussian noise on weak values
https://medworm.com/838653021/the-influence-of-non-gaussian-noise-on-weak-values/
Publication date: Available online 19 November 2020Source: Physics Letters AAuthor(s): Fang-Yuan Ma, Jun-Gang Li, Jian Zou (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Nov 2020 18:38:26 +0100838653021Quantum chaos dynamics on the surface of topological insulator attached to spiral multiferroic oxide in a magnetic field
https://medworm.com/838305516/quantum-chaos-dynamics-on-the-surface-of-topological-insulator-attached-to-spiral-multiferroic-oxide/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): Abdullah Yar (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 14:35:32 +0100838305516Parametric vibrational resonance in a gyroscope driven by dual-frequency forces
https://medworm.com/838305515/parametric-vibrational-resonance-in-a-gyroscope-driven-by-dual-frequency-forces/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): K.S. Oyeleke, O.I. Olusola, U.E. Vincent, D. Ghosh, P.V.E. McClintock (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 14:35:32 +0100838305515Markovian embedding procedures for non-Markovian stochastic Schrödinger equations
https://medworm.com/838305514/markovian-embedding-procedures-for-non-markovian-stochastic-schrdinger-equations/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): Xiantao Li (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 14:35:32 +0100838305514Construction of C-N/SnO2/Co3O4 microspheres with improvable electronic transmission for enhanced triethylamine gas-sensing performance
https://medworm.com/838305512/construction-of-c-nsno2co3o4-microspheres-with-improvable-electronic-transmission-for-enhanced-tri/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): Hang Li, Jia Guo, Shushu Chu, Hui Li, Qi Zhang, Ziqiong Lin, Qian Ma (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 14:35:32 +0100838305512Configurational complexity of nonautonomous discrete one-soliton and rogue waves in Ablowitz-Ladik-Hirota waveguide
https://medworm.com/838131805/configurational-complexity-of-nonautonomous-discrete-one-soliton-and-rogue-waves-in-ablowitz-ladik-h/
Publication date: Available online 17 November 2020Source: Physics Letters AAuthor(s): Pooja Thakur, Marcelo Gleiser, Anil Kumar, Rama Gupta (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 00:11:26 +0100838131805Coherence of quantum Gaussian channels
https://medworm.com/838131804/coherence-of-quantum-gaussian-channels/
Publication date: Available online 17 November 2020Source: Physics Letters AAuthor(s): Jianwei Xu (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 00:11:26 +0100838131804Spectral analysis, chiral disorder and topological edge states manifestation in open non-Hermitian Su-Schrieffer-Heeger chains
https://medworm.com/838131802/spectral-analysis-chiral-disorder-and-topological-edge-states-manifestation-in-open-non-hermitian-s/
Publication date: Available online 17 November 2020Source: Physics Letters AAuthor(s): B. Ostahie, A. Aldea (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 00:11:26 +0100838131802Searching for evidence of algorithmic randomness and incomputability in the output of quantum random number generators
https://medworm.com/838131801/searching-for-evidence-of-algorithmic-randomness-and-incomputability-in-the-output-of-quantum-random/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): John T. Kavulich, Brennan P. Van Deren, Maximilian Schlosshauer (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 00:11:26 +0100838131801Resilient Mølmer-Sørensen gate with cavity QED
https://medworm.com/838131800/resilient-mlmer-srensen-gate-with-cavity-qed/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): Yan Wang, Jin-Lei Wu, Jin-Xuan Han, Yong-Yuan Jiang, Yan Xia, Jie Song (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 00:11:26 +0100838131800Control of arrival time using structured wave packets
https://medworm.com/838131799/control-of-arrival-time-using-structured-wave-packets/
Publication date: Available online 18 November 2020Source: Physics Letters AAuthor(s): T.A. Saxton, A.L. Harris (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Nov 2020 00:11:26 +0100838131799Controlled quantum state transfer in XX spin chains at the Quantum Speed Limit
https://medworm.com/837784178/controlled-quantum-state-transfer-in-xx-spin-chains-at-the-quantum-speed-limit/
Publication date: Available online 16 November 2020Source: Physics Letters AAuthor(s): D.S. Acosta Coden, S.S. Gómez, A. Ferrón, O. Osenda (Source: Physics Letters A)Physics Letters AjournalsTue, 17 Nov 2020 20:02:28 +0100837784178Tighter uncertainty relations based on Wigner-Yanase skew information for observables and channels
https://medworm.com/837784177/tighter-uncertainty-relations-based-on-wigner-yanase-skew-information-for-observables-and-channels/
Publication date: Available online 16 November 2020Source: Physics Letters AAuthor(s): Li-Mei Zhang, Ting Gao, Feng-Li Yan (Source: Physics Letters A)Physics Letters AjournalsTue, 17 Nov 2020 20:02:28 +0100837784177Atomic model best suited for physical optics
https://medworm.com/837784176/atomic-model-best-suited-for-physical-optics/
Publication date: Available online 16 November 2020Source: Physics Letters AAuthor(s): V.V. Semak, M.N. Shneider (Source: Physics Letters A)Physics Letters AjournalsTue, 17 Nov 2020 20:02:28 +0100837784176Plasmon-polariton gap and associated phenomenon of optical bistability in photonic hypercrystals
https://medworm.com/837784175/plasmon-polariton-gap-and-associated-phenomenon-of-optical-bistability-in-photonic-hypercrystals/
Publication date: Available online 16 November 2020Source: Physics Letters AAuthor(s): Munazza Zulfiqar Ali (Source: Physics Letters A)Physics Letters AjournalsTue, 17 Nov 2020 20:02:28 +0100837784175Creation of tunable longitudinally polarized terahertz pulse carrying orbital angular momentum
https://medworm.com/837784174/creation-of-tunable-longitudinally-polarized-terahertz-pulse-carrying-orbital-angular-momentum/
Publication date: Available online 17 November 2020Source: Physics Letters AAuthor(s): Hassan Sobhani (Source: Physics Letters A)Physics Letters AjournalsTue, 17 Nov 2020 20:02:28 +0100837784174Solving forward and inverse problems of the logarithmic nonlinear Schrödinger equation with PT-symmetric harmonic potential via deep learning
https://medworm.com/837262122/solving-forward-and-inverse-problems-of-the-logarithmic-nonlinear-schrdinger-equation-with-pt-symm/
Publication date: Available online 14 November 2020Source: Physics Letters AAuthor(s): Zijian Zhou, Zhenya Yan (Source: Physics Letters A)Physics Letters AjournalsMon, 16 Nov 2020 01:38:24 +0100837262122Hartman effect at merging point in graphene under uniaxial strain
https://medworm.com/836913214/hartman-effect-at-merging-point-in-graphene-under-uniaxial-strain/
Publication date: Available online 13 November 2020Source: Physics Letters AAuthor(s): M.R. Setare, Kh. Ghasemian, D. Jahani (Source: Physics Letters A)Physics Letters AjournalsSat, 14 Nov 2020 22:03:01 +0100836913214Double and triple resonance behaviour in large systems of LC-shunted intrinsic Josephson junctions
https://medworm.com/836913213/double-and-triple-resonance-behaviour-in-large-systems-of-lc-shunted-intrinsic-josephson-junctions/
Publication date: Available online 13 November 2020Source: Physics Letters AAuthor(s): Yu.M. Shukrinov, A.S. Abouhaswa, A.E. Botha (Source: Physics Letters A)Physics Letters AjournalsSat, 14 Nov 2020 22:03:01 +0100836913213Training an artificial neural network for recognizing electron collision patterns
https://medworm.com/836913211/training-an-artificial-neural-network-for-recognizing-electron-collision-patterns/
Publication date: Available online 13 November 2020Source: Physics Letters AAuthor(s): Jaehyun Nam, Hwanmoo Yong, Jungho Hwang, Jongeun Choi (Source: Physics Letters A)Physics Letters AjournalsSat, 14 Nov 2020 22:03:01 +0100836913211Quantum Process Randomness
https://medworm.com/836563486/quantum-process-randomness/
Publication date: Available online 13 November 2020Source: Physics Letters AAuthor(s): Sreetama Das, Asutosh Kumar, Aditi Sen(De), Ujjwal Sen (Source: Physics Letters A)Physics Letters AjournalsFri, 13 Nov 2020 17:38:27 +0100836563486Electrostatic waves in photonic hypercrystals
https://medworm.com/836563485/electrostatic-waves-in-photonic-hypercrystals/
Publication date: Available online 13 November 2020Source: Physics Letters AAuthor(s): Afshin Moradi (Source: Physics Letters A)Physics Letters AjournalsFri, 13 Nov 2020 17:38:27 +0100836563485Low-temperature thermodynamics of the two-leg ladder Ising model with trimer rungs: A mystery explained
https://medworm.com/836217583/low-temperature-thermodynamics-of-the-two-leg-ladder-ising-model-with-trimer-rungs-a-mystery-explai/
Publication date: Available online 11 November 2020Source: Physics Letters AAuthor(s): Taras Hutak, Taras Krokhmalskii, Onofre Rojas, Sergio Martins de Souza, Oleg Derzhko (Source: Physics Letters A)Physics Letters AjournalsThu, 12 Nov 2020 13:11:22 +0100836217583Editors
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Publication date: 7 January 2021Source: Physics Letters A, Volume 385Author(s): (Source: Physics Letters A)Physics Letters AjournalsThu, 12 Nov 2020 13:11:22 +0100836217582Double-Fano resonance in a two-level quantum system coupled to zigzag Phosphorene nanoribbon
https://medworm.com/836043872/double-fano-resonance-in-a-two-level-quantum-system-coupled-to-zigzag-phosphorene-nanoribbon/
Publication date: Available online 11 November 2020Source: Physics Letters AAuthor(s): Mohsen Amini, Morteza Soltani, Samira Baninajarian, Mohsen Rezaei (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Nov 2020 23:08:51 +0100836043872Gouy phase of type-I SPDC-generated biphotons
https://medworm.com/835694622/gouy-phase-of-type-i-spdc-generated-biphotons/
Publication date: Available online 9 November 2020Source: Physics Letters AAuthor(s): F.C.V. de Brito, I.G. da Paz, Brigitte Hiller, Jonas B. Araujo, Marcos Sampaio (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Nov 2020 19:08:29 +0100835694622Enhancement of Casimir friction between graphene-covered hyperbolic materials
https://medworm.com/835694621/enhancement-of-casimir-friction-between-graphene-covered-hyperbolic-materials/
Publication date: Available online 9 November 2020Source: Physics Letters AAuthor(s): Rong Luo, Jian-Rong Yang, Tong-Biao Wang, De-Jian Zhang, Wen-Xing Liu, Tian-Bao Yu, Qing-Hua Liao (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Nov 2020 19:08:29 +0100835694621Theoretical Approach to Quantum Cascade Micro-Laser Broadband Multimode Emission in Strong Magnetic Fields
https://medworm.com/835694620/theoretical-approach-to-quantum-cascade-micro-laser-broadband-multimode-emission-in-strong-magnetic-/
Publication date: Available online 10 November 2020Source: Physics Letters AAuthor(s): Aleksandra Gajić, Jelena Radovanović, Nikola Vuković, Vitomir Milanović, Dmitri L. Boiko (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Nov 2020 19:08:29 +0100835694620Enhanced resistive switching performance in rare-earth/high-κ CeO2/ZrO2 nanocomposite films
https://medworm.com/834483781/enhanced-resistive-switching-performance-in-rare-earthhigh-ceo2zro2-nanocomposite-films/
Publication date: Available online 5 November 2020Source: Physics Letters AAuthor(s): Zhao-Gen Long, Chen-Ping Zheng, Jian-Chang Li (Source: Physics Letters A)Physics Letters AjournalsFri, 06 Nov 2020 16:38:27 +0100834483781A proposal for detection of absolute rotation using superconductors and large voltages
https://medworm.com/834483779/a-proposal-for-detection-of-absolute-rotation-using-superconductors-and-large-voltages/
Publication date: Available online 5 November 2020Source: Physics Letters AAuthor(s): E.M. Forgan, C.M. Muirhead, A.I.M. Rae, C.C. Speake (Source: Physics Letters A)Physics Letters AjournalsFri, 06 Nov 2020 16:38:27 +0100834483779Unextendible product bases, bound entangled states, and the range criterion
https://medworm.com/834311231/unextendible-product-bases-bound-entangled-states-and-the-range-criterion/
Publication date: Available online 4 November 2020Source: Physics Letters AAuthor(s): Pratapaditya Bej, Saronath Halder (Source: Physics Letters A)Physics Letters AjournalsFri, 06 Nov 2020 02:38:27 +0100834311231The Effect of Vacancy Defects on the Conductive Properties of SiGe
https://medworm.com/834311229/the-effect-of-vacancy-defects-on-the-conductive-properties-of-sige/
Publication date: Available online 5 November 2020Source: Physics Letters AAuthor(s): Limeng Shen, Xi Zhang, Jiating Lu, Jiaqi Wang, Cheng Li, Gang Xiang (Source: Physics Letters A)Physics Letters AjournalsFri, 06 Nov 2020 02:38:27 +0100834311229Quantum causal correlations and non-Markovianity of quantum evolution
https://medworm.com/833965930/quantum-causal-correlations-and-non-markovianity-of-quantum-evolution/
Publication date: Available online 3 November 2020Source: Physics Letters AAuthor(s): Shrikant Utagi (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Nov 2020 22:35:25 +0100833965930Microturbulence-mediated route for energetic ion transport and Alfvénic mode amplitude oscillations in tokamaks
https://medworm.com/833965929/microturbulence-mediated-route-for-energetic-ion-transport-and-alfvnic-mode-amplitude-oscillations/
Publication date: Available online 3 November 2020Source: Physics Letters AAuthor(s): N.N. Gorelenkov, V.N. Duarte (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Nov 2020 22:35:25 +0100833965929Shannon entropy and Fisher information for endohedral confined one- and two-electron atoms
https://medworm.com/833965928/shannon-entropy-and-fisher-information-for-endohedral-confined-one-and-two-electron-atoms/
Publication date: Available online 4 November 2020Source: Physics Letters AAuthor(s): César Martínez-Flores (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Nov 2020 22:35:25 +0100833965928Pure valley current generation in graphene nanostructure
https://medworm.com/833278666/pure-valley-current-generation-in-graphene-nanostructure/
Publication date: Available online 1 November 2020Source: Physics Letters AAuthor(s): Qingtian Zhang, Kwok Sum Chan (Source: Physics Letters A)Physics Letters AjournalsMon, 02 Nov 2020 13:38:28 +0100833278666Bound states in semi-Dirac semi-metals
https://medworm.com/832757553/bound-states-in-semi-dirac-semi-metals/
Publication date: Available online 31 October 2020Source: Physics Letters AAuthor(s): D. Krejčiřík, P.R.S. Antunes (Source: Physics Letters A)Physics Letters AjournalsSat, 31 Oct 2020 19:11:55 +0100832757553First-principles study on the electric field manipulation of the magnetic property and the electronic structures for monolayer Fe2C MXene
https://medworm.com/832411042/first-principles-study-on-the-electric-field-manipulation-of-the-magnetic-property-and-the-electroni/
Publication date: Available online 29 October 2020Source: Physics Letters AAuthor(s): Yan-Li Li, Peng Lv (Source: Physics Letters A)Physics Letters AjournalsFri, 30 Oct 2020 15:02:26 +0100832411042On the exact discretization of Schrödinger equation
https://medworm.com/832237590/on-the-exact-discretization-of-schrdinger-equation/
Publication date: Available online 28 October 2020Source: Physics Letters AAuthor(s): Chih-Lung Chou (Source: Physics Letters A)Physics Letters AjournalsFri, 30 Oct 2020 00:38:59 +0100832237590Non-Hermitian Dirac-Fermions and configuration-entropy: A two regime system
https://medworm.com/832237589/non-hermitian-dirac-fermions-and-configuration-entropy-a-two-regime-system/
Publication date: Available online 28 October 2020Source: Physics Letters AAuthor(s): J.C. Flores (Source: Physics Letters A)Physics Letters AjournalsFri, 30 Oct 2020 00:38:59 +0100832237589Enhanced-photocurrent in monolayer phototransistor with Au-SiO2 core-shell nanoparticles
https://medworm.com/831894774/enhanced-photocurrent-in-monolayer-phototransistor-with-au-sio2-core-shell-nanoparticles/
Publication date: Available online 27 October 2020Source: Physics Letters AAuthor(s): Chunming Ji, Zhuang Luo, Xiaohong Yan, Quan Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 20:11:31 +0100831894774Target holder as a specific sensor for laser-induced plasma ablation
https://medworm.com/831894773/target-holder-as-a-specific-sensor-for-laser-induced-plasma-ablation/
Publication date: Available online 27 October 2020Source: Physics Letters AAuthor(s): J. Krása, V. Nassisi, D. Klír (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 20:11:31 +0100831894773The thermal properties of the one-dimensional boson particles in Rindler spacetime
https://medworm.com/831894772/the-thermal-properties-of-the-one-dimensional-boson-particles-in-rindler-spacetime/
Publication date: Available online 27 October 2020Source: Physics Letters AAuthor(s): Abdelmalek Boumali, Tarek Imad Rouabhia (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 20:11:31 +0100831894772Surface plasmon resonance fiber optic sensors using ternary metal nitride layer Ti1-xZrxN
https://medworm.com/831724917/surface-plasmon-resonance-fiber-optic-sensors-using-ternary-metal-nitride-layer-ti1-xzrxn/
Publication date: Available online 26 October 2020Source: Physics Letters AAuthor(s): Ayda Aray, Mojtaba Arjmand, Mehri Sadat Hosseini (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 06:02:40 +0100831724917Tri-Hamiltonian duality system of Merola-Ragnisco-Tu equation
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Publication date: Available online 26 October 2020Source: Physics Letters AAuthor(s): Mengxia Zhang, Bao-Feng Feng, Jiawen Liu (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 06:02:40 +0100831724916A class of solutions of the two-dimensional Toda lattice equation
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Publication date: Available online 26 October 2020Source: Physics Letters AAuthor(s): V.N. Duarte (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 06:02:40 +0100831724915Dispersion relations of interface and quasi-confined phonon modes in ZnO/BeZnO quantum wells
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Publication date: Available online 26 October 2020Source: Physics Letters AAuthor(s): Hasan Yıldırım (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 06:02:40 +0100831724914Extremal states of qubit-qutrit system with maximally mixed marginals
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Publication date: Available online 26 October 2020Source: Physics Letters AAuthor(s): S. Kanmani, S.V.M. Satyanarayana (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 06:02:40 +0100831724913Efimov effect in non-integer dimensions induced by an external field
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Publication date: Available online 27 October 2020Source: Physics Letters AAuthor(s): E. Garrido, A.S. Jensen (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Oct 2020 06:02:40 +0100831724912An electro-optic tunable microwave delay-line using the piezoelectric-piezomagnetic superlattices with an external DC electric field
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Publication date: Available online 23 October 2020Source: Physics Letters AAuthor(s): Zheng-Hua Tang, Zheng-Sheng Jiang, Da-Jun Lei, Jian-Quan Huang, Feng Qiu, Ya-Qi Chen, Hai-Ming Deng, Min Yao (Source: Physics Letters A)Physics Letters AjournalsSat, 24 Oct 2020 15:35:48 +0100830707458Explicit Fresnel formulae for the absorbing double-negative metamaterials
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Publication date: Available online 22 October 2020Source: Physics Letters AAuthor(s): Igor Tralle, Levan Chotorlishvili, Paweł Ziȩba (Source: Physics Letters A)Physics Letters AjournalsSat, 24 Oct 2020 01:14:32 +0100830537132Measuring space deformation via graphene under constraints
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Publication date: Available online 22 October 2020Source: Physics Letters AAuthor(s): Ahmed Jellal (Source: Physics Letters A)Physics Letters AjournalsSat, 24 Oct 2020 01:14:32 +0100830537131Cross-over from weak localization to anti-localization in rare earth doped TRS protected topological insulators
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Publication date: 7 January 2021Source: Physics Letters A, Volume 385Author(s): Zengji Yue, Weiyao Zhao, Kirrily C. Rule, Abuduliken Bake, Lina Sang, Guangsai Yang, Cheng Tan, Zhi Li, Lan Wang, Xiaolin Wang (Source: Physics Letters A)Physics Letters AjournalsSat, 24 Oct 2020 01:14:32 +0100830537101Structural, mechanical, thermal, and optical properties of inverse-Heusler alloys Cr2CoZ (Z = Al, In): A first-principles investigation
https://medworm.com/830198841/structural-mechanical-thermal-and-optical-properties-of-inverse-heusler-alloys-cr2coz-z-al-in/
Publication date: Available online 21 October 2020Source: Physics Letters AAuthor(s): Md. Rasheduzzaman, Khandaker Monower Hossain, S.K. Mitro, M.A. Hadi, Jibon Krishna Modak, Md. Zahid Hasan (Source: Physics Letters A)Physics Letters AjournalsThu, 22 Oct 2020 20:38:25 +0100830198841Tax-based pure punishment and reward in the public goods game
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Publication date: Available online 21 October 2020Source: Physics Letters AAuthor(s): Shengxian Wang, Linjie Liu, Xiaojie Chen (Source: Physics Letters A)Physics Letters AjournalsThu, 22 Oct 2020 20:38:25 +0100830198840Quantum Monte Carlo study of the hardcore bosons with finite-range interactions in one-dimensional optical lattices
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Publication date: Available online 21 October 2020Source: Physics Letters AAuthor(s): Shuhui Yang, Tao Ying, Xiudong Sun (Source: Physics Letters A)Physics Letters AjournalsThu, 22 Oct 2020 20:38:25 +0100830198839Modeling of electromagnetic radiation-induced from a magnetostrictive/piezoelectric laminated composite
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Publication date: Available online 20 October 2020Source: Physics Letters AAuthor(s): Guokai Xu, Shaoqiu Xiao, Yan Li, Bing-Zhong Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 21 Oct 2020 15:38:26 +0100829860005Quantum Stackelberg duopoly game with isoelastic demand function
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Publication date: Available online 19 October 2020Source: Physics Letters AAuthor(s): Lian Shi, Feng Xu (Source: Physics Letters A)Physics Letters AjournalsWed, 21 Oct 2020 01:39:05 +0100829689394On the magnetocaloric effect in single crystals
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Publication date: Available online 19 October 2020Source: Physics Letters AAuthor(s): N.A. de Oliveira (Source: Physics Letters A)Physics Letters AjournalsWed, 21 Oct 2020 01:39:05 +0100829689393Exploring Anderson localization in one-dimensional single-electron lattice systems via randomness of eigenvalue spectra
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Publication date: Available online 19 October 2020Source: Physics Letters AAuthor(s): Yaqi Tao (Source: Physics Letters A)Physics Letters AjournalsWed, 21 Oct 2020 01:39:05 +0100829689392Two-qubit correlation in two independent environments with indefiniteness
https://medworm.com/829689391/two-qubit-correlation-in-two-independent-environments-with-indefiniteness/
Publication date: Available online 19 October 2020Source: Physics Letters AAuthor(s): Masashi Ban (Source: Physics Letters A)Physics Letters AjournalsWed, 21 Oct 2020 01:39:05 +0100829689391Thermodynamic Properties of a Monolayer transition metal dichalcogenide (TMD) Quantum Dot in the Presence of Magnetic Field
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Publication date: Available online 20 October 2020Source: Physics Letters AAuthor(s): T.V. Diffo, A.J. Fotue, S.C. Kenfack, R.M. Keumotsiaze, E. Baloitcha, M.N. Hounkonnou (Source: Physics Letters A)Physics Letters AjournalsWed, 21 Oct 2020 01:39:05 +0100829689390Spin reorientation temperature of ultrafine and nanostructured Nd2Fe14B particles obtained by surfactant-assisted ball milling
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Publication date: Available online 16 October 2020Source: Physics Letters AAuthor(s): Santosh K. Pal, K. -H Müller, L. Schultz (Source: Physics Letters A)Physics Letters AjournalsSun, 18 Oct 2020 02:11:50 +0100828839771Corrigendum to “Convective MHD flow of hybrid-nanofluid within an elliptic porous enclosure” [Phys. Lett. A 384 (28) (2020) 126727]
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Publication date: Available online 16 October 2020Source: Physics Letters AAuthor(s): S.A. Shehzad (Source: Physics Letters A)Physics Letters AjournalsSun, 18 Oct 2020 02:11:50 +0100828839770Effects of an indirectly-coupled quantum dot on the Andreev reflection induced by Majorana modes
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Publication date: Available online 16 October 2020Source: Physics Letters AAuthor(s): Jing He, Xiao-Qi Wang, Lian-Lian Zhang, Tong-Tong Xu, W.J. Gong (Source: Physics Letters A)Physics Letters AjournalsSun, 18 Oct 2020 02:11:50 +0100828839769Cross-over from weak localization to anti-localization in rare doped TRS protected topological insulators
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Publication date: Available online 16 October 2020Source: Physics Letters AAuthor(s): Zengji Yue, Weiyao Zhao, Kirrily C. Rule, Abuduliken Bake, Lina Sang, Guangsai Yang, Cheng Tan, Zhi Li, Lan Wang, Xiaolin Wang (Source: Physics Letters A)Physics Letters AjournalsSun, 18 Oct 2020 02:11:50 +0100828839768Full thermalization of a photonic qubit
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Publication date: Available online 15 October 2020Source: Physics Letters AAuthor(s): A.G. de Oliveira, R.M. Gomes, V.C.C. Brasil, N. Rubiano da Silva, L.C. Céleri, P.H. Souto Ribeiro (Source: Physics Letters A)Physics Letters AjournalsFri, 16 Oct 2020 21:14:25 +0100828504310Theoretical predictions of two new chiral solid carbon oxides
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Publication date: Available online 15 October 2020Source: Physics Letters AAuthor(s): Sai Liu, Yihua Lu, Xi Zhu, Min Wang (Source: Physics Letters A)Physics Letters AjournalsFri, 16 Oct 2020 21:14:25 +0100828504309Non-Markovian effects in dynamics of exciton-polariton Bose condensates
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Publication date: Available online 14 October 2020Source: Physics Letters AAuthor(s): D.V. Makarov, A.A. Elistratov, Yu.E. Lozovik (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Oct 2020 15:38:26 +0100828168442Electron transport in Dirac nodal-line semimetal ZrSiS
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Publication date: Available online 14 October 2020Source: Physics Letters AAuthor(s): G. Hussain, X. Rao, N. Li, W.J. Chu, X.G. Liu, X. Zhao, X.F. Sun (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Oct 2020 15:38:26 +0100828168441High pressure synthesis of antiferromagnetic semiconductor of ZnMnO3
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Publication date: Available online 14 October 2020Source: Physics Letters AAuthor(s): Meiyan Ni, Shoubao Zhang, Shuo Han, Xiaoli Liu, Xuebin Zhu, Hongyan Lu, Shaoshuai Zhou, Hongyan Zhao (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Oct 2020 15:38:26 +0100828168439New BCH-like relations of the su(1,1), su(2) and so(2,1) Lie algebras
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Publication date: Available online 14 October 2020Source: Physics Letters AAuthor(s): D. Martínez-Tibaduiza, A.H. Aragão, C. Farina, C.A.D. Zarro (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Oct 2020 15:38:26 +0100828168438Magnetocaloric effect in Sr2TiMoO6 double perovskite
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Publication date: Available online 13 October 2020Source: Physics Letters AAuthor(s): S. Amraoui, A. Feraoun, M. Kerouad (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Oct 2020 01:11:27 +0100828000025Altering magnetic response of superconductors by rotation
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Publication date: Available online 14 October 2020Source: Physics Letters AAuthor(s): Jun-Ping Wang (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Oct 2020 01:11:27 +0100828000024Comment on “Painleve analysis and integrability of the trapped ionic system” by M. Benkhali, J. Kharbach, I. El Fakkousy, W. Chatar, A. Rezzouk, and M. Ouazzani-Jamil
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Publication date: Available online 10 October 2020Source: Physics Letters AAuthor(s): Georgi Georgiev (Source: Physics Letters A)Physics Letters AjournalsSat, 10 Oct 2020 21:11:33 +0100826823677Anisotropic diffusion and traveling waves of toxic proteins in neurodegenerative diseases
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Publication date: Available online 8 October 2020Source: Physics Letters AAuthor(s): P.G. Kevrekidis, Travis Thompson, Alain Goriely (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Oct 2020 17:08:28 +0100826487101Length effects on tensile behavior of Au-Ag heterostructured nanowires with the load on different ends: A molecular dynamics Study
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Publication date: Available online 7 October 2020Source: Physics Letters AAuthor(s): Shiyi Luan, Bin Tang, Qiang Zhao, Hui Wan, Shengtao Yu, Chengqun Gui, Shengjun Zhou (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Oct 2020 02:41:28 +0100826320907Impurity in a three-dimensional unitary Bose gas
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Publication date: Available online 7 October 2020Source: Physics Letters AAuthor(s): O. Hryhorchak, G. Panochko, V. Pastukhov (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Oct 2020 02:41:28 +0100826320906Intensification and location of relativistic laser pulses against pointing fluctuations with micro-tube plasma lenses
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Publication date: Available online 6 October 2020Source: Physics Letters AAuthor(s): Ming-Wei Zhao, Mingwei Liu, Hui Sun, Qingwei Yang, Qi Wang, Yao Xie, Wei Sheng, Weiping Zhou (Source: Physics Letters A)Physics Letters AjournalsThu, 08 Oct 2020 07:02:54 +0100826153348Diversity of interaction intensity enhances the cooperation of spatial multi-games on interdependent lattices
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Publication date: Available online 5 October 2020Source: Physics Letters AAuthor(s): Chengwei Liu, Juan Wang, Xiaopeng Li, Chengyi Xia (Source: Physics Letters A)Physics Letters AjournalsTue, 06 Oct 2020 23:15:00 +0100825819158Time-periodic quantum states of weakly interacting bosons in a harmonic trap
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Publication date: Available online 5 October 2020Source: Physics Letters AAuthor(s): Marine De Clerck, Oleg Evnin (Source: Physics Letters A)Physics Letters AjournalsTue, 06 Oct 2020 23:15:00 +0100825819157Inhomogeneous nematic-isotropic phase transition of a thermotropic liquid crystal doped with iron oxide nanoparticles
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Publication date: Available online 5 October 2020Source: Physics Letters AAuthor(s): Baeckkyoung Sung, Huan Yan, Chanjoong Kim, Leon Abelmann (Source: Physics Letters A)Physics Letters AjournalsTue, 06 Oct 2020 23:15:00 +0100825819156Dipole-dipole minimum energy configuration for Platonic, Archimedean and Catalan solid structures
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Publication date: Available online 1 October 2020Source: Physics Letters AAuthor(s): J. Batle, A.V. Shutov, A.V. Maleev (Source: Physics Letters A)Physics Letters AjournalsSat, 03 Oct 2020 05:14:35 +0100824819520Accessible solitons in three-dimensional parabolic cylindrical coordinates
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Publication date: Available online 1 October 2020Source: Physics Letters AAuthor(s): Wei-Ping Zhong, WenYe Zhong, Milivoj Belić, Zhengping Yang (Source: Physics Letters A)Physics Letters AjournalsSat, 03 Oct 2020 05:14:35 +0100824819519A new approach to solve the one-dimensional Schrödinger equation using a wavefunction potential
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Publication date: 30 December 2020Source: Physics Letters A, Volume 384, Issue 36Author(s): Sergio A. Hojman, Felipe A. Asenjo (Source: Physics Letters A)Physics Letters AjournalsSat, 03 Oct 2020 05:14:35 +0100824819497Physical properties of titanates, semiconductors and nickelates derived from ionization energy theory
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Publication date: Available online 30 September 2020Source: Physics Letters AAuthor(s): Andrew Das Arulsamy (Source: Physics Letters A)Physics Letters AjournalsThu, 01 Oct 2020 23:02:48 +0100824488295Highly anisotropic and tunable charge carrier of monolayer phosphorus allotropes by bi-axial strain
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Publication date: Available online 29 September 2020Source: Physics Letters AAuthor(s): Yanwen Zhang, Hongxia Yan, Xiaoyue Liu, Xingwu Zhai, Xianjun Sui, Guixian Ge, Jueming Yang (Source: Physics Letters A)Physics Letters AjournalsThu, 01 Oct 2020 08:03:35 +0100824324177The effect of adaptive behavior on risk propagation in industrial symbiosis networks
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Publication date: Available online 29 September 2020Source: Physics Letters AAuthor(s): Junliang Yang, Kai Zheng (Source: Physics Letters A)Physics Letters AjournalsThu, 01 Oct 2020 08:03:35 +0100824324176Phonon mode-dependent lattice thermal conductivity of nanoscale black phosphorus
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Publication date: Available online 29 September 2020Source: Physics Letters AAuthor(s): Narayan Gaonkar, R.G. Vaidya (Source: Physics Letters A)Physics Letters AjournalsThu, 01 Oct 2020 08:03:35 +0100824324175A new approach to solving the Schrödinger equation
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Publication date: Available online 28 September 2020Source: Physics Letters AAuthor(s): Sergio A. Hojman, Felipe A. Asenjo (Source: Physics Letters A)Physics Letters AjournalsWed, 30 Sep 2020 02:41:49 +0100823992663On the thermodynamics of relativistic ideal gases in the presence of a maximal length
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Publication date: Available online 28 September 2020Source: Physics Letters AAuthor(s): Salaheddine Bensalem, Djamil Bouaziz (Source: Physics Letters A)Physics Letters AjournalsWed, 30 Sep 2020 02:41:49 +0100823992662Insight into rare earth yttrium and nitrogen co-decorated graphene as a promising material for NOx detection
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Publication date: Available online 25 September 2020Source: Physics Letters AAuthor(s): Huihui Xiong, Jianxin Xie, Jianhong Dong (Source: Physics Letters A)Physics Letters AjournalsSun, 27 Sep 2020 02:08:35 +0100823171351Convex combinations of CP-divisible Pauli channels that are not semigroups
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Publication date: Available online 25 September 2020Source: Physics Letters AAuthor(s): Vinayak Jagadish, R. Srikanth, Francesco Petruccione (Source: Physics Letters A)Physics Letters AjournalsSun, 27 Sep 2020 02:08:35 +0100823171350Locating Multiple Information Sources in Social Networks based on the Naming Game
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Publication date: Available online 25 September 2020Source: Physics Letters AAuthor(s): Xue Yang, Zhiliang Zhu, Hai Yu, Yuli Zhao, Ying Wang (Source: Physics Letters A)Physics Letters AjournalsSun, 27 Sep 2020 02:08:35 +0100823171349Tailoring the electronic and optical properties of SnSe2/InS van der Waals heterostructures by the biaxial strains
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Publication date: Available online 26 September 2020Source: Physics Letters AAuthor(s): Zainab Abdulraheem, Hamad Rahman Jappor (Source: Physics Letters A)Physics Letters AjournalsSun, 27 Sep 2020 02:08:35 +0100823171348A social communication model based on simplicial complexes
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Publication date: Available online 26 September 2020Source: Physics Letters AAuthor(s): Dong Wang, Yi Zhao, Hui Leng, Michael Small (Source: Physics Letters A)Physics Letters AjournalsSun, 27 Sep 2020 02:08:35 +01008231713473D syndiotactic elastic metastructure with single-phase material
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Publication date: Available online 23 September 2020Source: Physics Letters AAuthor(s): Wei Ding, Tianning Chen, Yanbin He, Chen Chen, Weikang Huang, Zaixiu Jiang, Zhenkun Ding, Bo Wang, Wuzhou Yu, Jian Zhu (Source: Physics Letters A)Physics Letters AjournalsThu, 24 Sep 2020 16:41:35 +0100822508698Investigating the thermoelectric properties of Na0.74Co1−xNbxO2 (x = 0.05,0.10) at high temperature region
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Publication date: Available online 21 September 2020Source: Physics Letters AAuthor(s): Shamim Sk, Arzena Khatun, Jayashree Pati, R.S. Dhaka, Sudhir K. Pandey (Source: Physics Letters A)Physics Letters AjournalsThu, 24 Sep 2020 02:08:33 +0100822343876A polarization insensitive dual-band tunable graphene absorber at the THz frequency
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Publication date: Available online 21 September 2020Source: Physics Letters AAuthor(s): Jun Wu (Source: Physics Letters A)Physics Letters AjournalsThu, 24 Sep 2020 02:08:33 +0100822343875Tunable heat rectification by applied mechanical stress
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Publication date: Available online 22 September 2020Source: Physics Letters AAuthor(s): I. Carlomagno, V.A. Cimmelli, D. Jou (Source: Physics Letters A)Physics Letters AjournalsThu, 24 Sep 2020 02:08:33 +0100822343874The effects of resource limitation and consensual incentives on cooperation
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Publication date: Available online 22 September 2020Source: Physics Letters AAuthor(s): Shiping Gao, Jinling Liang (Source: Physics Letters A)Physics Letters AjournalsThu, 24 Sep 2020 02:08:33 +0100822343873Ultrasonic treatment of ultrafine-grained titanium
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Publication date: Available online 22 September 2020Source: Physics Letters AAuthor(s): R.T. Murzaev, D.V. Bachurin, A.A. Mukhametgalina, M.A. Murzinova, A.A. Nazarov (Source: Physics Letters A)Physics Letters AjournalsThu, 24 Sep 2020 02:08:33 +0100822343872Nonlocal KdV equations
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Publication date: Available online 18 September 2020Source: Physics Letters AAuthor(s): Metin Gürses, Aslı Pekcan (Source: Physics Letters A)Physics Letters AjournalsSat, 19 Sep 2020 21:35:50 +0100821188218Simulations on the wide bandgap characteristics of a two-dimensional tapered scatterer phononic crystal slab at low frequency
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Publication date: Available online 16 September 2020Source: Physics Letters AAuthor(s): Qi Yang, Ting Song, Xiao-Dong Wen, Hai-Fei Zhu, Zi-Hao Tan, Li-Juan Liu, Zi-Jiang Liu, Xiao-Wei Sun (Source: Physics Letters A)Physics Letters AjournalsFri, 18 Sep 2020 02:05:30 +0100820694398A sound absorption panel containing coiled Helmholtz resonators
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Publication date: Available online 16 September 2020Source: Physics Letters AAuthor(s): Jung-San Chen, Yu-Bin Chen, Yu-Hsiang Cheng, Li-Chih Chou (Source: Physics Letters A)Physics Letters AjournalsFri, 18 Sep 2020 02:05:30 +0100820694396Quantum control based on machine learning in an open quantum system
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Publication date: Available online 16 September 2020Source: Physics Letters AAuthor(s): Y.X. Zeng, J. Shen, S.C. Hou, T. Gebremariam, C. Li (Source: Physics Letters A)Physics Letters AjournalsFri, 18 Sep 2020 02:05:30 +0100820694395On the geometric quantization of the ro-vibrational motion of homonuclear diatomic molecules
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Publication date: Available online 16 September 2020Source: Physics Letters AAuthor(s): Felix Iacob (Source: Physics Letters A)Physics Letters AjournalsFri, 18 Sep 2020 02:05:30 +0100820694394Reputation-based adjustment of fitness promotes the cooperation under heterogeneous strategy updating rules
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Publication date: Available online 15 September 2020Source: Physics Letters AAuthor(s): Hai Zhu, Hong Ding, Qing-Yang Zhao, Yan-Ping Xu, Xing Jin, Zhen Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366188Explosive synchronization in network of mobile oscillators
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Publication date: Available online 15 September 2020Source: Physics Letters AAuthor(s): Xiang Ling, Wen-Bin Ju, Ning Guo, Chao-Yun Wu (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366187Cubic–quartic optical soliton perturbation and conservation laws with Kudryashov's law of refractive index
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Publication date: Available online 15 September 2020Source: Physics Letters AAuthor(s): Yakup Yıldırım, Anjan Biswas, Abdul H. Kara, Mehmet Ekici, Elsayed M.E. Zayed, Abdullah Khamis Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366186Influential node detection of social networks based on network invulnerability
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Publication date: Available online 15 September 2020Source: Physics Letters AAuthor(s): Gaolin Chen, Shuming Zhou, Jiafei Liu, Min Li, Qianru Zhou (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366185The quantum effects in slow–wave free–electron lasers operating in the low–gain regime
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Publication date: Available online 15 September 2020Source: Physics Letters AAuthor(s): Hesham Fares (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366184Transverse mode competition in defect states of a waveguide with corrugated walls
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Publication date: Available online 16 September 2020Source: Physics Letters AAuthor(s): Ting Liu, Huan Liu, Jia-Yi Zhang, Ya-Xian Fan, Zhi-Yong Tao (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366183One-dimensional harmonic oscillator problem and its hidden SU(1,1) symmetry in the presence of a minimal length
https://medworm.com/820366182/one-dimensional-harmonic-oscillator-problem-and-its-hidden-su11-symmetry-in-the-presence-of-a-min/
Publication date: Available online 16 September 2020Source: Physics Letters AAuthor(s): Finagnon A. Dossa (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 20:38:34 +0100820366182How fast is a quantum jump?
https://medworm.com/820202302/how-fast-is-a-quantum-jump/
Publication date: Available online 14 September 2020Source: Physics Letters AAuthor(s): L. de la Peña, A.M. Cetto, A. Valdés-Hernández (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 06:08:44 +0100820202302The loss in reflecting coating induced by polarization
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Publication date: Available online 14 September 2020Source: Physics Letters AAuthor(s): S.P. Vyatchanin (Source: Physics Letters A)Physics Letters AjournalsWed, 16 Sep 2020 06:08:44 +0100820202301Fano resonance sensing based on coupled sub-wavelength dielectric grating and periodic photonic crystal
https://medworm.com/819383829/fano-resonance-sensing-based-on-coupled-sub-wavelength-dielectric-grating-and-periodic-photonic-crys/
Publication date: Available online 11 September 2020Source: Physics Letters AAuthor(s): Ying Chen, Xinde Zhou, Min Zhang, Chunyan Xiao, Zhixin Ding, Jian Zhou (Source: Physics Letters A)Physics Letters AjournalsSun, 13 Sep 2020 06:13:02 +0100819383829The time-dependent Schrödinger equation in non-integer dimensions for constrained quantum motion
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Publication date: Available online 10 September 2020Source: Physics Letters AAuthor(s): Irina Petreska, Antonio S.M. de Castro, Trifce Sandev, Ervin K. Lenzi (Source: Physics Letters A)Physics Letters AjournalsSat, 12 Sep 2020 01:42:01 +0100819056283First-principles study on the influence of biaxial strain on the electronic and magnetic properties of defective blue phosphorene
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Publication date: Available online 10 September 2020Source: Physics Letters AAuthor(s): Yanli Lu, Guangzheng Xiao, Yifan Wang, Meng Gao, Zheng Chen (Source: Physics Letters A)Physics Letters AjournalsSat, 12 Sep 2020 01:42:01 +0100819056282Study on the influence of subjective well-being on travel mode selection
https://medworm.com/818728856/study-on-the-influence-of-subjective-well-being-on-travel-mode-selection/
Publication date: Available online 9 September 2020Source: Physics Letters AAuthor(s): Qiaoru Li, Yaqing Li, Kun Li, Liang Chen, Qiang Zheng, Ke Chen (Source: Physics Letters A)Physics Letters AjournalsThu, 10 Sep 2020 20:38:40 +0100818728856Dielectric permittivity of aqueous solutions of electrolytes probed by THz time-domain and FTIR spectroscopy
https://medworm.com/818404088/dielectric-permittivity-of-aqueous-solutions-of-electrolytes-probed-by-thz-time-domain-and-ftir-spec/
Publication date: Available online 8 September 2020Source: Physics Letters AAuthor(s): A. De Ninno, E. Nikollari, M. Missori, F. Frezza (Source: Physics Letters A)Physics Letters AjournalsWed, 09 Sep 2020 15:41:32 +0100818404088Energy transport in boundary driven quantum spin systems: One-way street phenomenon in models with long range interactions
https://medworm.com/817267979/energy-transport-in-boundary-driven-quantum-spin-systems-one-way-street-phenomenon-in-models-with-l/
Publication date: Available online 4 September 2020Source: Physics Letters AAuthor(s): Emmanuel Pereira, Humberto C.F. Lemos (Source: Physics Letters A)Physics Letters AjournalsSat, 05 Sep 2020 10:38:37 +0100817267979Electron-positron pair creation in the electric fields generated by micro-bubble implosions
https://medworm.com/817106989/electron-positron-pair-creation-in-the-electric-fields-generated-by-micro-bubble-implosions/
Publication date: Available online 3 September 2020Source: Physics Letters AAuthor(s): James K. Koga, Masakatsu Murakami, Alexey V. Arefiev, Yoshihide Nakamiya, Stepan S. Bulanov, Sergei V. Bulanov (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Sep 2020 20:11:31 +0100817106989Single-scale two-dimensional-three-component generalized-Beltrami-flow solutions of incompressible Navier-Stokes equations
https://medworm.com/816945011/single-scale-two-dimensional-three-component-generalized-beltrami-flow-solutions-of-incompressible-n/
Publication date: Available online 2 September 2020Source: Physics Letters AAuthor(s): J. Chai, T. Wu, L. Fang (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Sep 2020 06:06:15 +0100816945011Driven dipolariton transistors in Y-shaped channels
https://medworm.com/816945010/driven-dipolariton-transistors-in-y-shaped-channels/
Publication date: Available online 3 September 2020Source: Physics Letters AAuthor(s): Patrick Serafin, Tim Byrnes, German V. Kolmakov (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Sep 2020 06:06:15 +0100816945010Effects of finite ion inertia on phase-mixing of Langmuir oscillations in cold electron-positron-ion plasmas
https://medworm.com/816619121/effects-of-finite-ion-inertia-on-phase-mixing-of-langmuir-oscillations-in-cold-electron-positron-ion/
Publication date: Available online 1 September 2020Source: Physics Letters AAuthor(s): Chandan Maity, Sourav Pramanik (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Sep 2020 01:11:32 +0100816619121The defect impacts of zigzag SiC nanoribbons in the spin devices
https://medworm.com/816619120/the-defect-impacts-of-zigzag-sic-nanoribbons-in-the-spin-devices/
Publication date: Available online 1 September 2020Source: Physics Letters AAuthor(s): Yuhong Zhou, Xia Zhuge, Kan Luo, Peng An, Shiyu Du (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Sep 2020 01:11:32 +0100816619120Density functional theory investigation on cluster assembled Gd-encapsulated Si nanowires
https://medworm.com/816295134/density-functional-theory-investigation-on-cluster-assembled-gd-encapsulated-si-nanowires/
Publication date: Available online 31 August 2020Source: Physics Letters AAuthor(s): Zhao-Hua Chen, Li-Na Ai, Yan-Xin Li, Qian Liu, Ming-Yan Niu, Ju-Kun Zhang, Zun Xie (Source: Physics Letters A)Physics Letters AjournalsTue, 01 Sep 2020 20:35:38 +0100816295134Magnetoexcitons in monolayer transition-metal dichalcogenides
https://medworm.com/816295133/magnetoexcitons-in-monolayer-transition-metal-dichalcogenides/
Publication date: Available online 31 August 2020Source: Physics Letters AAuthor(s): Anastasia Spiridonova (Source: Physics Letters A)Physics Letters AjournalsTue, 01 Sep 2020 20:35:38 +0100816295133Green's function formulation of conductivity of anisotropic two-dimensional materials containing metallic inclusions: Application to phosphorene
https://medworm.com/816295132/greens-function-formulation-of-conductivity-of-anisotropic-two-dimensional-materials-containing-met/
Publication date: Available online 31 August 2020Source: Physics Letters AAuthor(s): V.K. Tewary, E.J. Garboczi (Source: Physics Letters A)Physics Letters AjournalsTue, 01 Sep 2020 20:35:38 +0100816295132Classical and quantum complementarity
https://medworm.com/815482188/classical-and-quantum-complementarity/
Publication date: Available online 28 August 2020Source: Physics Letters AAuthor(s): Raquel Galazo, Irene Bartolomé, Laura Ares, Alfredo Luis (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Aug 2020 18:41:40 +0100815482188Graphene-enabled active metamaterial for dynamical manipulation of terahertz reflection/transmission/absorption
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Publication date: Available online 27 August 2020Source: Physics Letters AAuthor(s): Yin Zhang, Yijun Feng, Junming Zhao (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Aug 2020 03:35:41 +0100815319844Dynamical Casimir effect in cavities with two modes resonantly coupled through a qubit
https://medworm.com/815319843/dynamical-casimir-effect-in-cavities-with-two-modes-resonantly-coupled-through-a-qubit/
Publication date: Available online 27 August 2020Source: Physics Letters AAuthor(s): A.V. Dodonov (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Aug 2020 03:35:41 +0100815319843Analysis of filamentation instability in a current-carrying plasma using meshless method of lines coupled with radial basis functions
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Publication date: Available online 26 August 2020Source: Physics Letters AAuthor(s): A.R. Niknam, M. Ghorbani, M. Solaimani (Source: Physics Letters A)Physics Letters AjournalsThu, 27 Aug 2020 21:02:45 +0100814995874General null Lagrangians, exact gauge functions and forces in Newtonian mechanics
https://medworm.com/814995873/general-null-lagrangians-exact-gauge-functions-and-forces-in-newtonian-mechanics/
Publication date: Available online 26 August 2020Source: Physics Letters AAuthor(s): Z.E. Musielak, T.B. Watson (Source: Physics Letters A)Physics Letters AjournalsThu, 27 Aug 2020 21:02:45 +0100814995873Determination of the interface band alignment of NiO/4H-SiC heterojunction for photodetector application
https://medworm.com/814672254/determination-of-the-interface-band-alignment-of-nio4h-sic-heterojunction-for-photodetector-applica/
Publication date: Available online 25 August 2020Source: Physics Letters AAuthor(s): Chunlan Chen, Hongbin Pu, Min Wang, Lianbi Li, Xi Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 26 Aug 2020 15:16:01 +0100814672254The two-dimensional fractional discrete nonlinear Schrödinger equation
https://medworm.com/813702968/the-two-dimensional-fractional-discrete-nonlinear-schrdinger-equation/
Publication date: Available online 21 August 2020Source: Physics Letters AAuthor(s): Mario I. Molina (Source: Physics Letters A)Physics Letters AjournalsSat, 22 Aug 2020 21:05:35 +0100813702968Controllable enhanced linear and nonlinear optical characteristics induced by PT-like phase transition
https://medworm.com/813702967/controllable-enhanced-linear-and-nonlinear-optical-characteristics-induced-by-pt-like-phase-transiti/
Publication date: Available online 21 August 2020Source: Physics Letters AAuthor(s): Yun-Qiu Ge, Yao-Tong Chen, Kai Yin, Yan Zhang (Source: Physics Letters A)Physics Letters AjournalsSat, 22 Aug 2020 21:05:35 +0100813702967Optical soliton perturbation with Kudryashov's equation by semi–inverse variational principle
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Publication date: Available online 20 August 2020Source: Physics Letters AAuthor(s): Anjan Biswas, Mir Asma, Padmaja Guggilla, Lipika Mullick, Luminita Moraru, Mehmet Ekici, Abdullah K. Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsFri, 21 Aug 2020 14:38:32 +0100813380347Polarization-enhanced bulk photovoltaic effect of BiFeO3 epitaxial film under standard solar illumination
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Publication date: Available online 20 August 2020Source: Physics Letters AAuthor(s): Mingxu Wang, Haoming Wei, Yangqing Wu, Jinbiao Jia, Chao Yang, Yang Chen, Xin Chen, Bingqiang Cao (Source: Physics Letters A)Physics Letters AjournalsFri, 21 Aug 2020 14:38:32 +0100813380345Strain and electric-field induced tunable electronic properties of blue phosphorus-GeS/SnS/SnSe (orthorhombic) vdW heterostructures
https://medworm.com/813380344/strain-and-electric-field-induced-tunable-electronic-properties-of-blue-phosphorus-gessnssnse-ort/
Publication date: Available online 20 August 2020Source: Physics Letters AAuthor(s): Wanjun Li, Honglin Li, Yuanqiang Xiong, Hong Zhang, Ying Yang, Lijuan Ye (Source: Physics Letters A)Physics Letters AjournalsFri, 21 Aug 2020 14:38:32 +0100813380344Nanoscale detection of faint machinery vibration using the NV Center in Diamond
https://medworm.com/813219205/nanoscale-detection-of-faint-machinery-vibration-using-the-nv-center-in-diamond/
Publication date: Available online 19 August 2020Source: Physics Letters AAuthor(s): Yusong Liu, Hao Guo, Weidong Zhang, Zhenrong Zhang, Zhonghao Li, Yanjun Li, Jun Tang, Zongmin Ma, Jun Liu (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Aug 2020 23:41:37 +0100813219205Degenerate and non-degenerate solutions of PT-symmetric nonlocal integrable discrete nonlinear Schrödinger equation
https://medworm.com/813219204/degenerate-and-non-degenerate-solutions-of-pt-symmetric-nonlocal-integrable-discrete-nonlinear-schr/
Publication date: Available online 20 August 2020Source: Physics Letters AAuthor(s): Y. Hanif, U. Saleem (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Aug 2020 23:41:37 +0100813219204Do electrons obey the equivalence principle?
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Publication date: Available online 20 August 2020Source: Physics Letters AAuthor(s): C.A. Dartora (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Aug 2020 23:41:37 +0100813219203Controllable simulation of topological phases and edge states with quantum walk
https://medworm.com/813057323/controllable-simulation-of-topological-phases-and-edge-states-with-quantum-walk/
Publication date: Available online 18 August 2020Source: Physics Letters AAuthor(s): S. Panahiyan, S. Fritzsche (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Aug 2020 09:02:52 +0100813057323Structural, dielectric, impedance, and modulus spectroscopy of La3TiVO9 ceramic
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Publication date: Available online 18 August 2020Source: Physics Letters AAuthor(s): Prabhasini Gupta, P.K. Mahapatra, R.N.P. Choudhary, Truptimayee Acharya (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Aug 2020 09:02:52 +0100813057321Numerical simulation for (3 + 1)D solitary wave of extended Zakharov–Kuznetsov equation in dusty plasma based on lattice Boltzmann method
https://medworm.com/812733727/numerical-simulation-for-31d-solitary-wave-of-extended-zakharovkuznetsov-equation-in-dus/
Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Huimin Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 19 Aug 2020 02:42:57 +0100812733727Modeling electronic, mechanical, optical and thermal properties of graphene-like BC6N materials: Role of prominent BN-bonds
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Publication date: Available online 17 August 2020Source: Physics Letters AAuthor(s): Nzar Rauf Abdullah, Hunar Omar Rashid, Chi-Shung Tang, Andrei Manolescu, Vidar Gudmundsson (Source: Physics Letters A)Physics Letters AjournalsWed, 19 Aug 2020 02:42:57 +0100812733721Electron chirality in amino acid molecules
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Publication date: Available online 17 August 2020Source: Physics Letters AAuthor(s): Masato Senami, Tomoki Shimizu (Source: Physics Letters A)Physics Letters AjournalsWed, 19 Aug 2020 02:42:57 +0100812733720Investigation of quantum confinement phenomenon in composition- and diameter-modulated nanowires
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Publication date: Available online 18 August 2020Source: Physics Letters AAuthor(s): M.R.K. Vahdani (Source: Physics Letters A)Physics Letters AjournalsWed, 19 Aug 2020 02:42:57 +0100812733719High frequency fast magnetoacoustic modes in the plasma core
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Publication date: Available online 14 August 2020Source: Physics Letters AAuthor(s): O.S. Burdo, Ya.I. Kolesnichenko (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Aug 2020 22:14:33 +0100811924276DFT investigation of gas sensing characteristics of Au-doped vanadium dioxide
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Publication date: Available online 14 August 2020Source: Physics Letters AAuthor(s): Roy Joy, Zhengzhao Han, Ke Xu, Xiaoming Pan, Ningbo Liao, Hongming Zhou (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Aug 2020 22:14:33 +0100811924275All-in-one, reversible yellow-green color switching tungsten oxide electrochromic devices
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Publication date: Available online 14 August 2020Source: Physics Letters AAuthor(s): Zhichao Xue, Qiang Li, Mingfu Yu, Ying Lv, Hong Sun, Yongqiang Zhang, Dandan Wang (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Aug 2020 22:14:33 +0100811924274Hydrogenated silicene based magnetic junction with improved tunneling magnetoresistance and spin-filtering efficiency
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Publication date: Available online 15 August 2020Source: Physics Letters AAuthor(s): Mubashir A. Kharadi, Gul Faroz A. Malik, Farooq A. Khanday, Khurshed A. Shah (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Aug 2020 22:14:33 +0100811924273New (3 + 1)-dimensional Date-Jimbo-Kashiwara-Miwa equations with constant and time-dependent coefficients: Painlevé integrability
https://medworm.com/811762635/new-31-dimensional-date-jimbo-kashiwara-miwa-equations-with-constant-and-time-dependent-coe/
Publication date: Available online 14 August 2020Source: Physics Letters AAuthor(s): Abdul-Majid Wazwaz (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Aug 2020 05:43:47 +01008117626351/f noise and quantum indeterminacy
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Kirill A. Kazakov (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 23:04:20 +0100811438754Dual-band high impedance surface with graphene-based metasurfaces
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Saeedeh Barzegar-Parizi, Amir Ebrahimi (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 23:04:20 +0100811438752Wave-particle duality using the Compton effect
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Lucas S. Pollyceno, Alexandre D. Ribeiro (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 23:04:20 +0100811438750Numerical simulation for (3+1)D solitary wave of extended Zakharov–Kuznetsov equation in dusty plasma based on Lattice Boltzmann method
https://medworm.com/811438749/numerical-simulation-for-31d-solitary-wave-of-extended-zakharovkuznetsov-equation-in-dusty-pla/
Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Huimin Wang (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 23:04:20 +0100811438749Surface dangling bonds dependent magnetic properties in Mn-doped GaAs nanowires
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Yong Zhang, Shi-Zhang Chen, Zhong-Xiang Xie, Xia Yu, Yuan-Xiang Deng, Feng Ning, Liang Xu (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 23:04:20 +0100811438746Anomalous layer thickness dependent thermal conductivity of Td-WTe2 through first-principles calculation
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Publication date: Available online 5 August 2020Source: Physics Letters AAuthor(s): Chao Wu, Chenhan Liu, Yi Tao, Yan Zhang, Yunfei Chen (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276570First-principles study of the topological surface states of α-Sn(111)
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Publication date: Available online 6 August 2020Source: Physics Letters AAuthor(s): Zhibin Shi, Xiaoxiong Wang, Caizhi Xu, Peng Wang, Yang Liu, T.-C. Chiang (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276569Optimal aspect ratio and excitation spectral region of individual AuxAg1−x alloy nanobars for plasmonic sensing
https://medworm.com/811276568/optimal-aspect-ratio-and-excitation-spectral-region-of-individual-auxag1x-alloy-nanobars-for-plas/
Publication date: Available online 6 August 2020Source: Physics Letters AAuthor(s): Fan Sun, ChaoLing Du, TianYi Fu, YangXi Chen, Lu Sun, RuXin Zhang, DaNing Shi (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276568Polarization and dielectric susceptibility of a monolayer coronene like nano-structure: Monte Carlo study
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Publication date: Available online 7 August 2020Source: Physics Letters AAuthor(s): Z. Fadil, A. Mhirech, B. Kabouchi, L. Bahmad, W. Ousi Benomar (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276567Simulating the effect of weak measurements by a phase damping channel and determining different measures of bipartite correlations in nuclear magnetic resonance
https://medworm.com/811276566/simulating-the-effect-of-weak-measurements-by-a-phase-damping-channel-and-determining-different-meas/
Publication date: Available online 7 August 2020Source: Physics Letters AAuthor(s): Akanksha Gautam, Varad R. Pande, Amandeep Singh, Kavita Dorai, Arvind (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276566Readjustment of the Bohr stopping force from energies of keV/n to a few tens of MeV/n ions in elemental targets
https://medworm.com/811276565/readjustment-of-the-bohr-stopping-force-from-energies-of-kevn-to-a-few-tens-of-mevn-ions-in-elemen/
Publication date: Available online 10 August 2020Source: Physics Letters AAuthor(s): A. Guesmia, M. Msimanga, C. Mtshali, C.A. Pineda-Vargas, M. Nkosi (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276565Defective phosphorene for highly efficient formaldehyde detection: Periodic density functional calculations
https://medworm.com/811276564/defective-phosphorene-for-highly-efficient-formaldehyde-detection-periodic-density-functional-calcu/
Publication date: Available online 10 August 2020Source: Physics Letters AAuthor(s): Mahdi Ghadiri, Mohammad Ghashghaee, Mehdi Ghambarian (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276564Bose-like few-fermion systems
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Publication date: Available online 10 August 2020Source: Physics Letters AAuthor(s): Yu-Lin Zhao, Chi-Chun Zhou, Wen-Du Li, Wu-Sheng Dai (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276563Hetero-Bäcklund transformation and similarity reduction of an extended (2+1)-dimensional coupled Burgers system for fluid mechanics
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Publication date: Available online 10 August 2020Source: Physics Letters AAuthor(s): Xin-Yi Gao, Yong-Jiang Guo, Wen-Rui Shan (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276562Computational study of the formation of aluminum-graphene nanocrystallites
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Publication date: Available online 10 August 2020Source: Physics Letters AAuthor(s): Alexander E. Galashev, Oksana R. Rakhmanova (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276561Structural, electronic and thermoelectric properties of topological semimetal lanthanum monopnicitide LaBi
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Publication date: Available online 11 August 2020Source: Physics Letters AAuthor(s): Nisha, Hardev S. Saini, Narender Kumar, Satyender Singhmar, Jyoti Thakur, Sunita Srivastava, Manish K. Kashyap, Ali H. Reshak (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276560A DFT study of the structural, elastic, electronic and magnetic properties of new quaternary compounds TiHfOsX(Al, Ga, In)
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Publication date: Available online 11 August 2020Source: Physics Letters AAuthor(s): Nazir Ahmad Teli, M. Mohamed Sheik Sirajuddeen (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276559A theoretical study of the stability, mechanical and thermal properties of AlNiCuCo equimolar high entropy alloy
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Publication date: Available online 11 August 2020Source: Physics Letters AAuthor(s): Zhihao Huang, Guotan Liu, Baofeng Zhang, Mufu Yan, Yudong Fu (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276558Localization in the model of contacting media with specific nonlinearity and interface interaction
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): S.E. Savotchenko (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276557Solitons and conservation laws in magneto–optic waveguides having parabolic–nonlocal law of refractive index
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Elsayed M.E. Zayed, Mohamed E.M. Alngar, Mahmoud M. El–Horbaty, Anjan Biswas, Abdul H. Kara, Mehmet Ekici, Mir Asma, Abdullah K. Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276556Synthesis and microwave dielectric properties of an electronic ceramic Y2WO6 for wireless communications
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): Zhuo Xing, Chengjun Shen, Chunchun Li (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276555SU(3) symmetry in theory of a weakly interacting gas of spin-1 atoms with Bose-Einstein condensate
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Publication date: Available online 12 August 2020Source: Physics Letters AAuthor(s): A.S. Peletminskii, S.V. Peletminskii, Yu.V. Slyusarenko (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276554Pattern interdependent network of cross-correlation in multivariate time series
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): Henggang Ren, Qianshun Yuan, Sherehe Semba, Tongfeng Weng, Changgui Gu, Huijie Yang (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276535A delayed modified Ricker map and its cicada-type oscillations
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): Enrique Peacock-López (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276534Photon-echo detected nuclear quadrupole resonance spectroscopy
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): Ming Jin, Zong-Quan Zhou, Chuan-Feng Li, Guang-Can Guo (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276533Mechanical properties of kirigami phosphorene via molecular dynamics simulation
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): M. Gamil, Q.H. Zeng, Y.Y. Zhang (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276532Theoretical analysis of helicon wave current drive in EAST with high βe operation
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): Xinxia Li, Hongbo Liu, Nong Xiang, Miaohui Li (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276531Gold-assisted enhancement of the luminescence of Mn2+ ions induced by silicon in phosphate glass
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): José A. Jiménez, Stephon Smith (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276530A semi-skyrmions-based oscillator in elliptical nanopillars with perpendicular anisotropy
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Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): Gang Lv, Hong Zhang, Cong Wang, Zhiwei Hou, Chao Zhang (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276529Macroscopic and microscopic electrical properties of a ferrofluid in a low frequency field
https://medworm.com/811276528/macroscopic-and-microscopic-electrical-properties-of-a-ferrofluid-in-a-low-frequency-field/
Publication date: 30 October 2020Source: Physics Letters A, Volume 384, Issue 30Author(s): C.N. Marin, P.C. Fannin, I. Malaescu, Georgeta Matu (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Aug 2020 08:10:01 +0100811276528Effects of defects on heat conduction of graphene/hexagonal boron nitride heterointerface
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Publication date: Available online 3 August 2020Source: Physics Letters AAuthor(s): Yichen Pan, Lin Li, Xiaoming Yuan, Juan Guo, Ping Yang (Source: Physics Letters A)Physics Letters AjournalsWed, 05 Aug 2020 01:02:47 +0100810955173Coulomb bare interactions in inhomogeneous 4-layer graphene structures
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Publication date: Available online 3 August 2020Source: Physics Letters AAuthor(s): Van Men Nguyen (Source: Physics Letters A)Physics Letters AjournalsWed, 05 Aug 2020 01:02:47 +0100810955172First principle investigation of H2Se, H2Te and PH3 sensing based on graphene oxide
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Publication date: Available online 3 August 2020Source: Physics Letters AAuthor(s): Ehab Salih, Ahmad I. Ayesh (Source: Physics Letters A)Physics Letters AjournalsWed, 05 Aug 2020 01:02:47 +0100810955171Probability theory of intensity correlation in ghost imaging with thermal light
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Publication date: Available online 3 August 2020Source: Physics Letters AAuthor(s): Wen-Kai Yu, Jian Leng (Source: Physics Letters A)Physics Letters AjournalsWed, 05 Aug 2020 01:02:47 +0100810955170A (1+1)-dimensional integrable system with fifth order spectral problems and four dispersion relations
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Publication date: Available online 30 July 2020Source: Physics Letters AAuthor(s): S.Y. Lou (Source: Physics Letters A)Physics Letters AjournalsSat, 01 Aug 2020 06:11:31 +0100809990352A broadband asymmetric microwave metamaterial based on LC and standing-wave resonances
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Publication date: Available online 29 July 2020Source: Physics Letters AAuthor(s): Hasan Sedghi, Hamed Rezazadeh (Source: Physics Letters A)Physics Letters AjournalsFri, 31 Jul 2020 00:38:50 +0100809668766Phase transitions of bilayer spin-1/2 Baxter-Wu model with repulsive interlayer interactions
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Publication date: Available online 28 July 2020Source: Physics Letters AAuthor(s): Wei Liu, Pengwei Sun, Zhengxin Yan, Yixian Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 18:14:49 +0100809348813Influence of the torsional vibration of the periodically attached perpendicular beam resonator on the flexural band of a Euler-Bernoulli beam
https://medworm.com/809348812/influence-of-the-torsional-vibration-of-the-periodically-attached-perpendicular-beam-resonator-on-th/
Publication date: Available online 28 July 2020Source: Physics Letters AAuthor(s): Arnab Banerjee (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 18:14:49 +0100809348812Enhanced phase sensitivity with a nonconventional interferometer and nonlinear phase shifter
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Publication date: Available online 28 July 2020Source: Physics Letters AAuthor(s): Shoukang Chang, Chaoping Wei, Huan Zhang, Ying Xia, Wei Ye, Liyun Hu (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 18:14:49 +0100809348811Propagation of electromagnetic waves through very thin non-Hermitian slabs
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Publication date: Available online 28 July 2020Source: Physics Letters AAuthor(s): P.A. Brandão (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 18:14:49 +0100809348810Schrödinger cat states in continuous variable non-Gaussian networks
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Publication date: Available online 28 July 2020Source: Physics Letters AAuthor(s): I.V. Sokolov (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 18:14:49 +0100809348809Theoretical study of enhanced ferromagnetism and tunable magnetic anisotropy of monolayer CrI3 by surface adsorption
https://medworm.com/809193719/theoretical-study-of-enhanced-ferromagnetism-and-tunable-magnetic-anisotropy-of-monolayer-cri3-by-su/
Publication date: Available online 27 July 2020Source: Physics Letters AAuthor(s): Qin-Fang Xu, Wen-Qiang Xie, Zhi-Wei Lu, Yu-Jun Zhao (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 02:41:43 +0100809193719A numerical investigation into the scaling behavior of the longest increasing subsequences of the symmetric ultra-fat tailed random walk
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Publication date: Available online 27 July 2020Source: Physics Letters AAuthor(s): J. Ricardo G. Mendonça (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jul 2020 02:41:43 +0100809193718Triaxial strain effect on the electron transport performance and absorption spectrum of ZnO
https://medworm.com/808418728/triaxial-strain-effect-on-the-electron-transport-performance-and-absorption-spectrum-of-zno/
Publication date: Available online 24 July 2020Source: Physics Letters AAuthor(s): Qingyu Hou, Shulin Sha (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Jul 2020 21:41:28 +0100808418728Novel electron holes of Gaussian type due to second order, non-perturbative electron trapping and the general loss of identifiability of hole structures in experiments
https://medworm.com/808418727/novel-electron-holes-of-gaussian-type-due-to-second-order-non-perturbative-electron-trapping-and-th/
Publication date: Available online 24 July 2020Source: Physics Letters AAuthor(s): Hans Schamel (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Jul 2020 21:41:28 +0100808418727Enforcing dissipative entanglement by feedback
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Publication date: Available online 24 July 2020Source: Physics Letters AAuthor(s): Morteza Rafiee, Alireza Nourmandipour, Stefano Mancini (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Jul 2020 21:41:28 +0100808418726Time optimal control of two-level quantum systems
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Publication date: Available online 24 July 2020Source: Physics Letters AAuthor(s): M.A. Jafarizadeh, F. Naghdi, M.R. Bazrafkan (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Jul 2020 21:41:28 +0100808418725Type-II superconductivity in cold-rolled tantalum
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Publication date: Available online 24 July 2020Source: Physics Letters AAuthor(s): R. Idczak, W. Nowak, M. Babij, V.H. Tran (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Jul 2020 21:41:28 +0100808418724Role of annealing on morphological, linear and nonlinear properties of nanoparticle of Tris [2-phenylpyridinato-C2, N] Iridium III films prepared by electron beam evaporator
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Publication date: Available online 25 July 2020Source: Physics Letters AAuthor(s): E. Elesh, G.F. Salem, Z. Mohamed (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Jul 2020 21:41:28 +0100808418723Impact of higher-order effects on dissipative soliton in metamaterials
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Publication date: Available online 23 July 2020Source: Physics Letters AAuthor(s): A.K. Shafeeque Ali, Malik Zaka Ullah, M. Lakshmanan (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jul 2020 16:05:35 +0100808110361The dependence of interfacial properties on the layer number in 1T′/2H-MoS2 van der Waals heterostructures
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Publication date: Available online 23 July 2020Source: Physics Letters AAuthor(s): Xiaoxing Chen, Zixiang Liu, Aijian Huang, Zhiguo Wang (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jul 2020 16:05:35 +0100808110360A Howe correspondence for the algebra of the osp(1|2) Clebsch-Gordan coefficients
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Publication date: Available online 23 July 2020Source: Physics Letters AAuthor(s): Julien Gaboriaud, Luc Vinet (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jul 2020 16:05:35 +0100808110359Efficient diabatic quantum algorithm in number factorization
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Publication date: Available online 22 July 2020Source: Physics Letters AAuthor(s): Anqi Shi, Haoyu Guan, Wenxian Zhang (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jul 2020 00:41:44 +0100807955372The Maccari system as model system for rogue waves
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Publication date: Available online 21 July 2020Source: Physics Letters AAuthor(s): Attilio Maccari (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Jul 2020 18:36:04 +0100807646052First-principles study of C3N nanoribbons as anode materials for Li-ion batteries
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Publication date: Available online 21 July 2020Source: Physics Letters AAuthor(s): Gencai Guo, Changhao Wang, Siwei Luo, Bangming Ming, Bingrong Wang, Ruzhi Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Jul 2020 18:36:04 +0100807646051An axiomatic measure of one-way quantum information
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Publication date: Available online 21 July 2020Source: Physics Letters AAuthor(s): Davide Girolami (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Jul 2020 18:36:04 +0100807646050Controlling fluorescence emission by plasmonic toroidal dipolar resonance in a ring-groove metastructure
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Publication date: Available online 22 July 2020Source: Physics Letters AAuthor(s): Xiao-Rui Zhang, Xue-Tong Zhou, Ya-Xin Hu, Jia-Qi Li, Jin Wang, Zheng-Gao Dong (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Jul 2020 18:36:04 +0100807646049Chaotic diffusion for particles moving in a time dependent potential well
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Publication date: Available online 20 July 2020Source: Physics Letters AAuthor(s): Edson D. Leonel, Célia Mayumi Kuwana, Makoto Yoshida, Juliano Antonio de Oliveira (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Jul 2020 02:41:36 +0100807491622Transient electrohydrodynamic convective flow and heat transfer of MWCNT - Dielectric nanofluid in a heated enclosure
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Publication date: Available online 16 July 2020Source: Physics Letters AAuthor(s): Walid Hassen, Lioua Kolsi, Hussein A. Mohammed, Kaouther Ghachem, Mohsen Sheikholeslami, Mohammed A. Almeshaal (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Jul 2020 07:15:29 +0100806565215Study of strain-driven martensitic phase transformation rate via data-driven approach
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Publication date: Available online 15 July 2020Source: Physics Letters AAuthor(s): Zhuohui Zeng, Wei Guo, Gangpeng Wu, Zeyuan Zhu, Chenbo Zhang (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256453First-principles study on the electronic transport properties of M/SiC Schottky junctions (M=Ag, Au and Pd)
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Publication date: Available online 15 July 2020Source: Physics Letters AAuthor(s): Qian Liu, Xing-Qian Cui, Zhi-Qiang Fan (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256452Convective MHD flow of hybrid-nanofluid within an elliptic porous enclosure
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Publication date: Available online 15 July 2020Source: Physics Letters AAuthor(s): S.A. Shehzad, M. Sheikholeslami, T. Ambreen, Ahmad Shafee (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256451Tunable optical force on nonlinear graphene-wrapped nanoparticles
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Publication date: Available online 15 July 2020Source: Physics Letters AAuthor(s): Hongli Chen, Yang Huang (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256450Spin dependent group delay time in graphene with a time-periodic potential
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Publication date: Available online 15 July 2020Source: Physics Letters AAuthor(s): Farhad Sattari, Mehdi Aslanzadeh (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256449Weak interactions between tetraphenylporphyrin dimers: a Wannier orbitals study
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Publication date: Available online 16 July 2020Source: Physics Letters AAuthor(s): Teodor-Lucian Biter, Luiza Buimaga-Iarinca, Cristian Morari (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256448Exactness of SWKB for Shape Invariant Potentials
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Publication date: Available online 16 July 2020Source: Physics Letters AAuthor(s): Asim Gangopadhyaya, Jeffry V. Mallow, Constantin Rasinariu, Jonathan Bougie (Source: Physics Letters A)Physics Letters AjournalsFri, 17 Jul 2020 00:41:37 +0100806256447Teleportation of single and bipartite states via a two qubits xxz Heizenberg spin chain in a non-Markovian environment
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Publication date: Available online 14 July 2020Source: Physics Letters AAuthor(s): G.C. Fouokeng, E. Tedong, A.G. Tene, M. Tchoffo, L.C. Fai (Source: Physics Letters A)Physics Letters AjournalsWed, 15 Jul 2020 18:38:43 +0100805946104Dielectric and optical properties of Ln0.8Lu0.2TiNbO6 (Ln = Ce, Pr, Nd & Sm) ceramics
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Publication date: Available online 13 July 2020Source: Physics Letters AAuthor(s): Fergy John, Sam Solomon (Source: Physics Letters A)Physics Letters AjournalsWed, 15 Jul 2020 03:06:21 +0100805790960Upper bounds on the private capacity for bosonic Gaussian channels
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Publication date: Available online 13 July 2020Source: Physics Letters AAuthor(s): Kabgyun Jeong (Source: Physics Letters A)Physics Letters AjournalsWed, 15 Jul 2020 03:06:21 +0100805790959Potential application of Al-doped ZnO nanotube as an electronic sensor for β-keto-amphetamine drug
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Publication date: Available online 10 July 2020Source: Physics Letters AAuthor(s): Aiyan Qu, Yuan Lin (Source: Physics Letters A)Physics Letters AjournalsSun, 12 Jul 2020 01:11:38 +0100805017363Time reversal symmetry and the structure of Cooper pair wavefunction in topological superconductor UTe2
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Publication date: Available online 10 July 2020Source: Physics Letters AAuthor(s): V.G. Yarzhemsky, E.A. Teplyakov (Source: Physics Letters A)Physics Letters AjournalsSun, 12 Jul 2020 01:11:38 +0100805017362On the integrability aspects of nonparaxial nonlinear Schrödinger equation and the dynamics of solitary waves
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Publication date: Available online 10 July 2020Source: Physics Letters AAuthor(s): K. Tamilselvan, T. Kanna, A. Govindarajan (Source: Physics Letters A)Physics Letters AjournalsSun, 12 Jul 2020 01:11:38 +0100805017361Distributing entangled state using quantum repeater protocol: Trapped atomic ions in optomechanical cavities
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Publication date: Available online 10 July 2020Source: Physics Letters AAuthor(s): M. Ghasemi, M.K. Tavassoly (Source: Physics Letters A)Physics Letters AjournalsSun, 12 Jul 2020 01:11:38 +0100805017360Cooperation under institutional incentives with perfect and imperfect observation
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Publication date: Available online 9 July 2020Source: Physics Letters AAuthor(s): Shiping Gao, Jinling Liang (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Jul 2020 18:41:36 +0100804708893Quantum fractionalism: The Born rule as a consequence of the complex Pythagorean theorem
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Publication date: Available online 9 July 2020Source: Physics Letters AAuthor(s): André L.G. Mandolesi (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Jul 2020 18:41:36 +0100804708892Multiple negative differential resistance in nitro-based two-probe molecular junction
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Publication date: Available online 9 July 2020Source: Physics Letters AAuthor(s): Y. Min, G.C. Zhuang, K.L. Yao (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Jul 2020 18:41:36 +0100804708891Stationary optical solitons with Sasa–Satsuma equation having nonlinear chromatic dispersion
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Publication date: Available online 9 July 2020Source: Physics Letters AAuthor(s): Abdullahi Rashid Adem, Basetsana Pauline Ntsime, Anjan Biswas, Mir Asma, Mehmet Ekici, Seithuti P. Moshokoa, Abdullah Kamis Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Jul 2020 18:41:36 +0100804708890Solvable model of quantum-optical feedback
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Publication date: Available online 9 July 2020Source: Physics Letters AAuthor(s): V.A. Tomilin, L.V. Il'ichov (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Jul 2020 18:41:36 +0100804708889Controlling energy transfer from intense ultrashort light pulse to crystals: A comparison study in attosecond and femtosecond regimes
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Publication date: Available online 7 July 2020Source: Physics Letters AAuthor(s): Xiaoqin Zhang, Feng Wang, Zehui Liu, Xiurong Feng, Suna Pang (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Jul 2020 21:11:36 +0100804247333Polarity and bioelectrical patterning in a linear chain of non-excitable cells
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Publication date: Available online 3 July 2020Source: Physics Letters AAuthor(s): Javier Cervera, José A. Manzanares, Salvador Mafé (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Jul 2020 02:02:53 +0100803330196Multifunctionality for the nanojunction of a rotating p-phenylene vinylene molecule between graphene leads
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Publication date: Available online 3 July 2020Source: Physics Letters AAuthor(s): Huili Li, Xiaobo Li, Chunxia Jia, Tong Chen, Xianbo Xiao, Guanghui Zhou (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Jul 2020 02:02:53 +0100803330195Layer-by-layer assembly of Ag2S quantum dots-sensitized ZnO/SnO2 core-shell nanowire arrays for enhanced photocatalytic activity
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Publication date: Available online 3 July 2020Source: Physics Letters AAuthor(s): Jinshen Lan, Mengyao Gao, Choonyian Haw, Imran Khan, Jingtian Zhao, Ziyun Wang, Shengshi Guo, Shengli Huang, Shuping Li, Junyong Kang (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Jul 2020 02:02:53 +0100803330194Using coherent feedback loop for high quantum state transfer in optomechanics
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Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): M. Amazioug, B. Maroufi, M. Daoud (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 19:38:32 +0100803025368Solitons in magneto–optic waveguides with dual–power law nonlinearity
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Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): Elsayed M.E. Zayed, Reham M.A. Shohib, Mohamed E.M. Alngar, Anjan Biswas, Mir Asma, Mehmet Ekici, Seithuti P. Moshokoa, Abdullah Kamis Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 19:38:32 +0100803025366Discrete embedded modes in the continuum in 2D lattices
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Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): Mario I. Molina (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 19:38:32 +0100803025364Splitting frequency of the (2 + 1)-dimensional Duffin-Kemmer-Petiau oscillator in an external magnetic field
https://medworm.com/803025363/splitting-frequency-of-the-21-dimensional-duffin-kemmer-petiau-oscillator-in-an-external-ma/
Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): Ignacio S. Gomez, Esdras S. Santos, Olavo Abla (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 19:38:32 +0100803025363Eliashberg theory with the external pair potential
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Publication date: Available online 1 July 2020Source: Physics Letters AAuthor(s): Konstantin V. Grigorishin (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872115Classifying diamagnetic states of plasma near Schwarzschild event horizon: Local approximation
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Publication date: Available online 1 July 2020Source: Physics Letters AAuthor(s): Chinmoy Bhattacharjee (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872114Fluid model for the piezothermal effect
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Publication date: Available online 1 July 2020Source: Physics Letters AAuthor(s): E.J. Kolmes, V.I. Geyko, N.J. Fisch (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872113Coupling effects between dichroism and birefringence of anisotropic media
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Publication date: Available online 1 July 2020Source: Physics Letters AAuthor(s): Wanrong Gao (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872112Dynamical behavior of micro-structured solids with conformable time fractional strain wave equation
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Publication date: Available online 1 July 2020Source: Physics Letters AAuthor(s): Nauman Raza, Aly R. Seadawy, Adil Jhangeer, Asma Rashid Butt, Saima Arshed (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872111Reputation-based strategy persistence promotes cooperation in spatial social dilemma
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Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): Jialu He, Jianwei Wang, Fengyuan Yu, Lei Zheng (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872110Effect of dehydrogenated hydrocarbon doping on the electronic properties of graphene-type nanosheets
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Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): E. García-Hernández, E. Salazar-García, E. Shakerzadeh, E. Chigo-Anota (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872109Ultra-directional forward scattering by a high refractive index dielectric T-shaped nanoantenna in the visible
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Publication date: Available online 2 July 2020Source: Physics Letters AAuthor(s): Xiaoming Zhang, Qiang Zhang, Yijun Yuan, Jianping Liu, Xiangli Liu (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jul 2020 03:05:40 +0100802872108The emergence of bound states in a superconducting gap at the topological insulator edge
https://medworm.com/802566854/the-emergence-of-bound-states-in-a-superconducting-gap-at-the-topological-insulator-edge/
Publication date: Available online 30 June 2020Source: Physics Letters AAuthor(s): Yu.P. Chuburin, T.S. Tinyukova (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Jul 2020 20:38:28 +0100802566854First-principles study on Sb-doped SnS2 as a low cost and non-toxic absorber for intermediate band solar cell
https://medworm.com/802566853/first-principles-study-on-sb-doped-sns2-as-a-low-cost-and-non-toxic-absorber-for-intermediate-band-s/
Publication date: Available online 30 June 2020Source: Physics Letters AAuthor(s): Yang Xue, Wentong Zhou, Lijie Ding, Jingwen Jiang, Hua Ning, Xianqing Liang, Wenzheng Zhou, Jin Guo, Dan Huang (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Jul 2020 20:38:28 +0100802566853Stable modes of derivative nonlinear Schrödinger equation with super-Gaussian and parabolic potential
https://medworm.com/802249946/stable-modes-of-derivative-nonlinear-schrdinger-equation-with-super-gaussian-and-parabolic-potenti/
Publication date: Available online 29 June 2020Source: Physics Letters AAuthor(s): Amiya Das, Niladri Ghosh, Debraj Nath (Source: Physics Letters A)Physics Letters AjournalsTue, 30 Jun 2020 15:35:33 +0100802249946Energy storage properties of antiferroelectric 0.92NaNbO3-0.08SrZrO3 film on (001)SrTiO3 substrate
https://medworm.com/801457176/energy-storage-properties-of-antiferroelectric-092nanbo3-008srzro3-film-on-001srtio3-substrate/
Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): Kosuke Beppu, Takayuki Shimasaki, Ichiro Fujii, Takahito Imai, Hideaki Adachi, Takahiro Wada (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457176Escape from the quantum pigeon conundrum
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): Gabor Kunstatter, Jonathan Ziprick, Victoria McNab, Alexander Rennie, Connor Speidel, Jovin Toews (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457175Topological causality analysis of horizontal gas-liquid flows based on cross map of phase spaces
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): Lusheng Zhai, Jie Yang (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457174Tuning the magnetic and electronic properties of monolayer chromium tritelluride through strain engineering
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): M. Debbichi, L. Debbichi, S. Lebègue (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457173The Ising model on the layered J1-J2 square lattice
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): P.F. Godoy, M. Schmidt, F.M. Zimmer (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457172Global correlation matrix spectra of the surface temperature of the oceans from random matrix theory to Poisson fluctuations
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): Eucymara F.N. Santos, Anderson L.R. Barbosa, Paulo J. Duarte-Neto (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457171Novel scheme for anti-dynamical Casimir effect using nonperiodic ultrastrong modulation
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): A.V. Dodonov (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457170Molybdenum carbide nano-sheet as a high capacity anode material for monovalent alkali metal-ion batteries—Theoretical investigation
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): Mohsin Hassan Saeed, Shehzad Ahmed, Imran Muhammad, Imran Murtaza, Awais Ghani, Ahsan Ali, Raies Abdullah, Wasif-ur-Rehman, Junaid-ur-Rehman, Abdul Khaliq (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457169Square well/barrier resonances in the potentiodynamic plane
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Publication date: Available online 26 June 2020Source: Physics Letters AAuthor(s): R.P. Meeten, G.V. Morozov (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457168A Massive-Ion Beam Driver for High-Energy-Density Physics and Future Inertial Fusion
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Publication date: Available online 27 June 2020Source: Physics Letters AAuthor(s): Ken Takayama, Toshikazu Adachi, Tadamichi Kawakubo, Katsuya Okamura, Yosuke Yuri, Jun Hasegawa, Kazuhiko Horioka, Takashi Kikuchi, Toru Sasaki, Kazumasa Takahashi (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 15:38:33 +0100801457167Tensile properties of microtubules: A study by nonlinear molecular structural mechanics modelling
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Publication date: Available online 25 June 2020Source: Physics Letters AAuthor(s): Jin Zhang, Siwen Guan (Source: Physics Letters A)Physics Letters AjournalsSat, 27 Jun 2020 01:11:38 +0100801299210Induction and control of dielectric relaxation properties in Fe-doped nonstoichiometric SrTiO3 ceramics
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Publication date: Available online 23 June 2020Source: Physics Letters AAuthor(s): Qiubo Hu, Dahu Chang, Jianfeng Su, Ruirui Sun, Dongmei Zhang, Xiaofei Wang (Source: Physics Letters A)Physics Letters AjournalsThu, 25 Jun 2020 06:11:41 +0100800827322Geometrical aspects and quantum brachistochrone problem for a collection of N spin-s system with long-range Ising-type interaction
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Publication date: Available online 23 June 2020Source: Physics Letters AAuthor(s): B. Amghar, M. Daoud (Source: Physics Letters A)Physics Letters AjournalsThu, 25 Jun 2020 06:11:41 +0100800827321Enhanced-performance relative humidity sensor based on MOF-801 photonic crystals
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Publication date: Available online 22 June 2020Source: Physics Letters AAuthor(s): Kuo Zhan, Yabin Zhu, Jun Yan, Yunlin Chen (Source: Physics Letters A)Physics Letters AjournalsTue, 23 Jun 2020 11:35:41 +0100800354634Transmission in pseudospin-1 and pseudospin-3/2 semimetals with linear dispersion through scalar and vector potential barriers
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Publication date: Available online 23 June 2020Source: Physics Letters AAuthor(s): Ipsita Mandal (Source: Physics Letters A)Physics Letters AjournalsTue, 23 Jun 2020 11:35:41 +0100800354633Chirped Lambert W-kink solitons of the complex cubic-quintic Ginzburg-Landau equation with intrapulse Raman scattering
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Publication date: Available online 20 June 2020Source: Physics Letters AAuthor(s): Nisha, Neetu Maan, Amit Goyal, Thokala Soloman Raju, C.N. Kumar (Source: Physics Letters A)Physics Letters AjournalsSun, 21 Jun 2020 16:39:31 +0100799881427Reentrant behavior of magnetic ordered phase in spin-crossover solids with quenched disordered ligand field
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Publication date: Available online 20 June 2020Source: Physics Letters AAuthor(s): Iurii Gudyma, Kateryna Boboshko, Kamel Boukheddaden (Source: Physics Letters A)Physics Letters AjournalsSun, 21 Jun 2020 16:39:31 +0100799881426Pauli blocking effects in thermalization of relativistic plasma
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Publication date: Available online 20 June 2020Source: Physics Letters AAuthor(s): M.A. Prakapenia, G.V. Vereshchagin (Source: Physics Letters A)Physics Letters AjournalsSun, 21 Jun 2020 16:39:31 +0100799881425A comprehensive study of phonon thermal transport in 2D IV-VI semiconductors MX (M = Ge, Sn; X = S, Se)
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Publication date: Available online 20 June 2020Source: Physics Letters AAuthor(s): Qi Zhong, Zhenhong Dai, Jianye Liu, Yinchang Zhao, Sheng Meng (Source: Physics Letters A)Physics Letters AjournalsSun, 21 Jun 2020 16:39:31 +0100799881424Bohmian mechanics in momentum representation and beyond
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Publication date: Available online 18 June 2020Source: Physics Letters AAuthor(s): Moise Bonilla-Licea, Dieter Schuch (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jun 2020 22:11:35 +0100799409573Experimental investigations of the problem of the quantum jump with the help of superconductor nanostructures
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Publication date: Available online 18 June 2020Source: Physics Letters AAuthor(s): V.L. Gurtovoi, A.I. Il'in, A.V. Nikulov (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jun 2020 22:11:35 +0100799409572One-dimensional quantum walks driven by two-entangled-qubit coins
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Publication date: Available online 18 June 2020Source: Physics Letters AAuthor(s): S. Panahiyan, S. Fritzsche (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jun 2020 22:11:35 +0100799409571Structural, electronic, and optical properties of ZnO:ZnSnN2 compounds for optoelectronics and photocatalyst applications
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Publication date: Available online 18 June 2020Source: Physics Letters AAuthor(s): Dangqi Fang, Yaqi Li (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jun 2020 22:11:35 +0100799409570Tunable magnetism through edge functionalization in zigzag green phosphorene nanoribbons
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Publication date: Available online 18 June 2020Source: Physics Letters AAuthor(s): Guang Yang, Xihong Peng (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jun 2020 22:11:35 +0100799409569Magneto-transport properties in fcc ytterbium
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Publication date: Available online 18 June 2020Source: Physics Letters AAuthor(s): Toshihiro Yoshizumi, Daiki Fujii, Satoru Kitsunai, Kousuke Igarashi, Masamichi Sakai, Osamu Nakamura, Shigehiko Hasegawa (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jun 2020 22:11:35 +0100799409568Theoretical investigation of V2xFe2(1-x)Zr and ScxY1-xFe2 (0<x<1) quasi-binary alloy: Stable structures, mechanical and electronical properties
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Publication date: Available online 17 June 2020Source: Physics Letters AAuthor(s): Yong-Lin Jiang, Yu-Zhu Chen, Hui Wang, Xiao-Bao Yang (Source: Physics Letters A)Physics Letters AjournalsThu, 18 Jun 2020 17:14:30 +0100799092836First measurement of the temperature dependence of muon transfer rate from muonic hydrogen atoms to oxygen
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Publication date: Available online 17 June 2020Source: Physics Letters AAuthor(s): E. Mocchiutti, A. Adamczak, D. Bakalov, G. Baldazzi, R. Benocci, R. Bertoni, M. Bonesini, V. Bonvicini, H. Cabrera Morales, F. Chignoli, M. Clemenza, L. Colace, M. Danailov, P. Danev, A. de Bari, C. De Vecchi, M. De Vincenzi, E. Furlanetto, F. Fuschino, K.S. Gadedjisso-Tossou (Source: Physics Letters A)Physics Letters AjournalsThu, 18 Jun 2020 17:14:30 +0100799092835A two-dimensional lattice hydrodynamic model considering shared lane marking
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Publication date: Available online 17 June 2020Source: Physics Letters AAuthor(s): Yi Liu, C.K. Wong (Source: Physics Letters A)Physics Letters AjournalsThu, 18 Jun 2020 17:14:30 +0100799092834Nonlinear edge modes in a honeycomb electrical lattice near the Dirac points
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Publication date: Available online 16 June 2020Source: Physics Letters AAuthor(s): F. Palmero, L.Q. English, J. Cuevas-Maraver, P.G. Kevrekidis (Source: Physics Letters A)Physics Letters AjournalsThu, 18 Jun 2020 02:41:33 +0100798934712Voltage control of millimeter-wave ferromagnetic resonance in multiferroic heterostructures thin films
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Publication date: Available online 15 June 2020Source: Physics Letters AAuthor(s): Yaohui Dun, Junjie Chen, Di An, Daming Chen, Yong Chen, Yuanxun Li (Source: Physics Letters A)Physics Letters AjournalsTue, 16 Jun 2020 20:41:31 +0100798620466Laser control of magneto-polaron in transition metal dichalcogenides triangular quantum well
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Publication date: Available online 15 June 2020Source: Physics Letters AAuthor(s): C. Kenfack-Sadem, C.M. Ekengoue, J.E. Danga, F.M.C. Fobasso, V. Nguepnang, A.J. Fotue, L.C. Fai (Source: Physics Letters A)Physics Letters AjournalsTue, 16 Jun 2020 20:41:31 +0100798620465Effects of lanthanides doping on the optical properties of graphene/WSe2 heterostructure based on ab-initio calculations
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Publication date: Available online 15 June 2020Source: Physics Letters AAuthor(s): B. Qiu, X.W. Zhao, Y. Li, R.D. Liang, G.C. Hu, X.B. Yuan, J.F. Ren (Source: Physics Letters A)Physics Letters AjournalsTue, 16 Jun 2020 20:41:31 +0100798620464Preface: The science behind quantum Technology
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Publication date: 18 September 2020Source: Physics Letters A, Volume 384, Issue 26Author(s): Dimitris Angelakis, Nana Liu, Stefano Mancini, Laleh Memarzadeh, Matteo G.A. Paris (Source: Physics Letters A)Physics Letters AjournalsSat, 13 Jun 2020 17:36:10 +0100797839758Nonlinear coherent states of the Fokas-Lagerstrom potential
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Publication date: Available online 10 June 2020Source: Physics Letters AAuthor(s): M. Ashrafi, A. Mahdifar, E. Amooghorban (Source: Physics Letters A)Physics Letters AjournalsThu, 11 Jun 2020 21:35:31 +0100797371962Preface
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Publication date: Available online 10 June 2020Source: Physics Letters AAuthor(s): Dimitris Angelakis, Nana Liu, Stefano Mancini, Laleh Memarzadeh, Matteo G.A. Paris (Source: Physics Letters A)Physics Letters AjournalsThu, 11 Jun 2020 21:35:31 +0100797371960Amplifying optical signals with discrete solitons in waveguide arrays
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Publication date: Available online 10 June 2020Source: Physics Letters AAuthor(s): Amaria Javed, Alaa Shaheen, U. Al Khawaja (Source: Physics Letters A)Physics Letters AjournalsThu, 11 Jun 2020 21:35:31 +0100797371959Giant magneto-impedance variation in amorphous CoFeSiB ribbons as a function of tensile stress and frequency
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Publication date: Available online 10 June 2020Source: Physics Letters AAuthor(s): S. Mansourian, A. Bakhshayeshi, R. Taghavi mendi (Source: Physics Letters A)Physics Letters AjournalsThu, 11 Jun 2020 21:35:31 +0100797371958Paradox associated with cohesive energy of IV-VI semiconductors
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Publication date: Available online 9 June 2020Source: Physics Letters AAuthor(s): K.K. Nanda (Source: Physics Letters A)Physics Letters AjournalsWed, 10 Jun 2020 17:02:31 +0100797059551Linearizability conditions for the Rayleigh-like oscillators
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Publication date: Available online 9 June 2020Source: Physics Letters AAuthor(s): Dmitry I. Sinelshchikov (Source: Physics Letters A)Physics Letters AjournalsWed, 10 Jun 2020 17:02:31 +0100797059550Cauchy distributions for the integrable standard map
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Publication date: Available online 9 June 2020Source: Physics Letters AAuthor(s): Anastasios Bountis, J.J.P. Veerman, Franco Vivaldi (Source: Physics Letters A)Physics Letters AjournalsWed, 10 Jun 2020 17:02:31 +0100797059549Propagation of terahertz waves in a dust acoustic wave
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Publication date: Available online 10 June 2020Source: Physics Letters AAuthor(s): Peng-Fei Li, Cheng-Ran Du (Source: Physics Letters A)Physics Letters AjournalsWed, 10 Jun 2020 17:02:31 +0100797059548Lower-hybrid turbulence in the near-surface lunar dusty plasmas
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Publication date: Available online 8 June 2020Source: Physics Letters AAuthor(s): Sergey I. Popel, Attia I. Kassem, Yulia N. Izvekova, Lev M. Zelenyi (Source: Physics Letters A)Physics Letters AjournalsWed, 10 Jun 2020 02:36:26 +0100796902759On mechanical motion damping of a magnetically trapped diamagnetic particle
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Publication date: Available online 5 June 2020Source: Physics Letters AAuthor(s): Andrey B. Matsko, Sergey P. Vyatchanin, Lin Yi (Source: Physics Letters A)Physics Letters AjournalsSat, 06 Jun 2020 12:02:39 +0100795968857Effect of chemical composition and Cu addition on crystallization and magnetic characteristics of FeZrB alloys
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Publication date: Available online 5 June 2020Source: Physics Letters AAuthor(s): Wanqiu Yu, Huai Lin, Liping Lu, Li Wang, Guozhong Xing (Source: Physics Letters A)Physics Letters AjournalsSat, 06 Jun 2020 12:02:39 +0100795968856Large positive and negative magnetoresistance in armchair phosphorene nanoribbons
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Publication date: Available online 4 June 2020Source: Physics Letters AAuthor(s): Junsong Jiang, Qingtian Zhang, Zhongfei Mu, Kwok Sum Chan (Source: Physics Letters A)Physics Letters AjournalsFri, 05 Jun 2020 21:35:55 +0100795812389Gauge functions and Galilean invariance of Lagrangians
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Publication date: Available online 4 June 2020Source: Physics Letters AAuthor(s): Z.E. Musielak, T.B. Watson (Source: Physics Letters A)Physics Letters AjournalsFri, 05 Jun 2020 21:35:55 +0100795812388Asymmetric model of the quantum Stackelberg duopoly with incomplete information
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Publication date: Available online 4 June 2020Source: Physics Letters AAuthor(s): Xia Wang, Jing Shen, Zhengyao Sheng (Source: Physics Letters A)Physics Letters AjournalsFri, 05 Jun 2020 21:35:55 +0100795812387Relativistic Ginzburg–Landau equation: An investigation for overdoped cuprate films
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Publication date: Available online 3 June 2020Source: Physics Letters AAuthor(s): Yong Tao (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 17:35:35 +0100795500033First-principles study on electronic, magnetic properties and optical absorption of vanadium doped rutile TiO2
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Publication date: Available online 3 June 2020Source: Physics Letters AAuthor(s): H.X. Zhu, X.H. Wang, D.F. Zhou, H. Jiang, X.M. Liu (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 17:35:35 +0100795500032Magnetocaloric effect and spin-phonon correlations in RFe0.5Cr0.5O3 (R = Er and Yb) compounds
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Publication date: Available online 3 June 2020Source: Physics Letters AAuthor(s): Kavita Yadav, Gurpreet Kaur, Mohit K. Sharma, K. Mukherjee (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 17:35:35 +0100795500031A new periodic structure composite material with quasi-phononic crystals
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Publication date: 7 September 2020Source: Physics Letters A, Volume 384, Issue 25Author(s): Linchang Miao, Chao Li, Lijian Lei, Huanglei Fang, Xiaodong Liang (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 17:35:35 +0100795500007Bipartite entanglement in the spin-1/2 Ising-Heisenberg planar lattice constituted of identical trigonal bipyramidal plaquettes
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Publication date: Available online 2 June 2020Source: Physics Letters AAuthor(s): Lucia Gálisová (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 03:14:28 +0100795346102Wettability and surface energy of parylene F deposited on PDMS
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Publication date: Available online 2 June 2020Source: Physics Letters AAuthor(s): Bing Han, Peng Wang, Huichao Jin, Zhishan Hou, Xue Bai (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 03:14:28 +0100795346101Optimization of quantum noise by completing the square of multiple interferometer outputs in quantum locking for gravitational wave detectors
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Publication date: Available online 2 June 2020Source: Physics Letters AAuthor(s): Rika Yamada, Yutaro Enomoto, Atsushi Nishizawa, Koji Nagano, Sachiko Kuroyanagi, Keiko Kokeyama, Kentaro Komori, Yuta Michimura, Takeo Naito, Izumi Watanabe, Taigen Morimoto, Masaki Ando, Akira Furusawa, Seiji Kawamura (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 03:14:28 +0100795346100Universal behavior in non-stationary Mean Field Games
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Publication date: 7 September 2020Source: Physics Letters A, Volume 384, Issue 25Author(s): Thibault Bonnemain, Thierry Gobron, Denis Ullmo (Source: Physics Letters A)Physics Letters AjournalsThu, 04 Jun 2020 03:14:28 +0100795346077Thermodynamics of relativistic quantum fields confined in cavities
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Publication date: Available online 1 June 2020Source: Physics Letters AAuthor(s): David Edward Bruschi, Benjamin Morris, Ivette Fuentes (Source: Physics Letters A)Physics Letters AjournalsTue, 02 Jun 2020 22:11:39 +0100795038868Unidirectional flow of discrete solitons in optical waveguide arrays with nonlinearity management
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Publication date: Available online 1 June 2020Source: Physics Letters AAuthor(s): U. Al Khawaja, S.M. Al-Marzoug, H. Bahlouli (Source: Physics Letters A)Physics Letters AjournalsTue, 02 Jun 2020 22:11:39 +0100795038867Valley splitting and anomalous Klein tunneling in borophane-based n-p and n-p-n junctions
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Publication date: Available online 1 June 2020Source: Physics Letters AAuthor(s): Xingfei Zhou (Source: Physics Letters A)Physics Letters AjournalsTue, 02 Jun 2020 22:11:39 +0100795038866Structural stabilities and optical properties of SixGeyHz nanocrystals
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Publication date: Available online 1 June 2020Source: Physics Letters AAuthor(s): Shao-Bin Qiu, Ya-Ting Wang, Chang-Chun He, Xiao-Lin Deng, Xiao-Bao Yang (Source: Physics Letters A)Physics Letters AjournalsTue, 02 Jun 2020 22:11:39 +0100795038865No existence of the geometric potential for a Dirac fermion on a two-dimensional curved surface of revolution
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Publication date: Available online 29 May 2020Source: Physics Letters AAuthor(s): Z.Q. Yang, X.Y. Zhou, Z. Li, W.K. Du, Q.H. Liu (Source: Physics Letters A)Physics Letters AjournalsSat, 30 May 2020 23:11:46 +0100794278001Different substitutions lead to differences in the transport and recombination properties of group V doped SiCNTs
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Publication date: Available online 29 May 2020Source: Physics Letters AAuthor(s): Ying-Ying Yang, Pei Gong, Wan-Duo Ma, Ya-Lin Li, Xiao-Yong Fang, Ya-Hui Jia, Mao-Sheng Cao (Source: Physics Letters A)Physics Letters AjournalsSat, 30 May 2020 23:11:46 +0100794278000Nanoscale imaging of ferroelectric domain and resistance switching in hybrid improper ferroelectric Ca3Ti2O7 thin films
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Y. Shi, S.Y. Wang, S. Ma, Y.L. Lei, H.L. Liu, X.L. Chen, W.F. Liu (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973919Transport properties and typical electron orbits in 2DEG under a local gradient magnetic field
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Xiaowei Zhang, Yuliang Liu (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973918Establishing simple relationship between eigenvector and matrix elements
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Wei Pan, Jing Wang, Deyan Sun (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973917First principle study on interfacial interaction of black phosphorus and CsBr vdW heterostructure
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Mengli Yao, Tian Wu, Biao Liu, Jialin Li, Mengqiu Long (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973916Absence of long-range order in a general spin-S kagome lattice Ising antiferromagnet
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): M. Semjan, M. Žukovič (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973915Quantifying interference in multipartite quantum systems
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Rejane Alves de Brito, Bertúlio de Lima Bernardo (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973914A survey on HHL algorithm: From theory to application in quantum machine learning
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Bojia Duan, Jiabin Yuan, Chao-Hua Yu, Jianbang Huang, Chang-Yu Hsieh (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973913A new periodic structure composite material quasi-phononic crystals
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Linchang Miao, Chao Li, Lijian Lei, Huanglei Fang, Xiaodong Liang (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973912Thermally driven pure spin current through an interacting quantum dot
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Hua Zhao, Xiaowei Zhang, Xiaochun Liu, Zhongqin Yang (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973910Bloch oscillations and Wannier-Stark ladder in the coupled LC circuits
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Sadegh Bahmani, Amir Nader Askarpour (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 19:11:41 +0100793973908Mechanism for structure conversion of FeSi under pressures
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Publication date: Available online 27 May 2020Source: Physics Letters AAuthor(s): Zhen-Wei Niu, Mei Tang, Ling-Cang Cai (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820345Mean-field effects on the aging transitions in the damaged networks
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Publication date: Available online 27 May 2020Source: Physics Letters AAuthor(s): Bidesh K. Bera (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820344Mn2CoX (X = P and As) full-Heusler compounds for spintronic applications: Half-metallicity and elastic properties
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Publication date: Available online 27 May 2020Source: Physics Letters AAuthor(s): D.M. Hoat, Nguyen Hoang Giang, Mosayeb Naseri, R. Ponce-Pérez, J.F. Rivas-Silva, Gregorio H. Cocoletzi (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820343Stationary optical solitons with nonlinear chromatic dispersion having quadratic–cubic law of refractive index
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Publication date: Available online 27 May 2020Source: Physics Letters AAuthor(s): Abdullahi Rashid Adem, Mehmet Ekici, Anjan Biswas, Mir Asma, Elsayed M.E. Zayed, Abdullah Kamis Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820342Universal behavior in non stationary Mean Field Games
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Publication date: Available online 27 May 2020Source: Physics Letters AAuthor(s): Thibault Bonnemain, Thierry Gobron, Denis Ullmo (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820341Leucine-coated cobalt ferrite nanoparticles: Synthesis, characterization and potential biomedical applications for drug delivery
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Publication date: Available online 27 May 2020Source: Physics Letters AAuthor(s): Hui Zhang, Jianchao Wang, Yingzhe Zeng, Guangshuo Wang, Shuai Han, Zhitang Yang, Baowei Li, Xiaomin Wang, Jie Gao, Liyun Zheng, Xiaoyan Liu, Zhongchao Huo, Ruitao Yu (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820340Exact results for nonequilibrium dynamics in Wigner phase space
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): K. Bencheikh, L.M. Nieto (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820339Generalized su(1,1) algebra and the construction of nonlinear coherent states for Pöschl-Teller potential
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Publication date: Available online 28 May 2020Source: Physics Letters AAuthor(s): Abdessamad Belfakir, Yassine Hassouni (Source: Physics Letters A)Physics Letters AjournalsFri, 29 May 2020 05:05:32 +0100793820338Gamma-ray spectra in the positron-annihilation process of molecules at room temperature
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Publication date: Available online 26 May 2020Source: Physics Letters AAuthor(s): Lin Tang, Xiaoguang Ma, Jipeng Sui, Meishan Wang, Chuanlu Yang (Source: Physics Letters A)Physics Letters AjournalsWed, 27 May 2020 21:11:33 +0100793512628Electronic, thermal, and optical properties of graphene like SiCx structures: Significant effects of Si atom configurations
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Publication date: Available online 26 May 2020Source: Physics Letters AAuthor(s): Nzar Rauf Abdullah, Gullan Ahmed Mohammed, Hunar Omar Rashid, Vidar Gudmundsson (Source: Physics Letters A)Physics Letters AjournalsWed, 27 May 2020 21:11:33 +0100793512627Theoretically exploring the possible configurations, the electronic and transport properties of MoS2-OH bilayer
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Publication date: Available online 26 May 2020Source: Physics Letters AAuthor(s): Jie Sun, Jiancai Leng, Guangping Zhang (Source: Physics Letters A)Physics Letters AjournalsWed, 27 May 2020 21:11:33 +0100793512626Comment on: “Entanglement in three coupled oscillators” [Phys. Lett. A 384 (2020) 126134]
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Publication date: Available online 26 May 2020Source: Physics Letters AAuthor(s): Francisco M. Fernández (Source: Physics Letters A)Physics Letters AjournalsWed, 27 May 2020 21:11:33 +0100793512625Quantum-enhanced least-square support vector machine: Simplified quantum algorithm and sparse solutions
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Publication date: Available online 25 May 2020Source: Physics Letters AAuthor(s): Jie Lin, Dan-Bo Zhang, Shuo Zhang, Tan Li, Xiang Wang, Wan-Su Bao (Source: Physics Letters A)Physics Letters AjournalsTue, 26 May 2020 16:11:28 +0100793205147Controlled self-similar matter waves in PT-symmetric waveguide
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Publication date: Available online 21 May 2020Source: Physics Letters AAuthor(s): Shailza Pathania, Harneet Kaur, Amit Goyal, C.N. Kumar (Source: Physics Letters A)Physics Letters AjournalsSat, 23 May 2020 01:35:33 +0100792287627Detecting entanglement by the mean value of spin on a quantum computer
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Publication date: Available online 20 May 2020Source: Physics Letters AAuthor(s): A.R. Kuzmak, V.M. Tkachuk (Source: Physics Letters A)Physics Letters AjournalsThu, 21 May 2020 19:35:49 +0100791981293First-principles study of the electronic structure and transport properties of armchair graphene nanoribbons with adsorbed super-halogen LiF2 and super-alkali Li3 clusters
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Publication date: Available online 20 May 2020Source: Physics Letters AAuthor(s): Yuanhang Ma, Dan Li, He Zhang, Xiaona Feng, Chunjun Liang (Source: Physics Letters A)Physics Letters AjournalsThu, 21 May 2020 19:35:49 +0100791981292Diamagnetic levitation of a milligram-scale silica using permanent magnets for the use in a macroscopic quantum measurement
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Publication date: Available online 20 May 2020Source: Physics Letters AAuthor(s): R. Nakashima (Source: Physics Letters A)Physics Letters AjournalsThu, 21 May 2020 19:35:49 +0100791981291Using reservoir computer to predict and prevent extreme events
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Publication date: Available online 21 May 2020Source: Physics Letters AAuthor(s): Viktoras Pyragas, Kestutis Pyragas (Source: Physics Letters A)Physics Letters AjournalsThu, 21 May 2020 19:35:49 +0100791981290Non-equilibrium steady-states of memoryless quantum collision models
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Publication date: Available online 21 May 2020Source: Physics Letters AAuthor(s): Giacomo Guarnieri, Daniele Morrone, Barış Çakmak, Francesco Plastina, Steve Campbell (Source: Physics Letters A)Physics Letters AjournalsThu, 21 May 2020 19:35:49 +0100791981289Bosonic topological insulator intermediate state in the superconductor-insulator transition
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Publication date: Available online 19 May 2020Source: Physics Letters AAuthor(s): M.C. Diamantini, A.Yu. Mironov, S.M. Postolova, X. Liu, Z. Hao, D.M. Silevitch, Ya. Kopelevich, P. Kim, C.A. Trugenberger, V.M. Vinokur (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 14:41:27 +0100791674336Green function solution of generalised boundary value problems
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Publication date: Available online 19 May 2020Source: Physics Letters AAuthor(s): Vanik E. Mkrtchian, Carsten Henkel (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 14:41:27 +0100791674335Graphene-based THz tunable ultra-wideband polarization converter
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Publication date: Available online 19 May 2020Source: Physics Letters AAuthor(s): Muhammad Sajjad, Xiangkun Kong, Shaobin Liu, Afzal Ahmed, Saeed Ur Rahman, Qi Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 14:41:27 +0100791674334Evolution of metallization and superconductivity in solid hydrogen
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Publication date: Available online 19 May 2020Source: Physics Letters AAuthor(s): Quan Zhuang, Xilian Jin, Tian Cui, Die Zhang, Ying Li, Hongyu Yu, Kuo Bao, Bingbing Liu (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 14:41:27 +0100791674333Ion-acoustic shocklets in F-region of ionosphere with non-Maxwellian electrons
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Publication date: Available online 19 May 2020Source: Physics Letters AAuthor(s): Ismat Naeem, S. Ali, M. Irfan, Arshad M. Mirza (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 14:41:27 +0100791674332Bifurcations, time-series analysis of observables, and network properties in a tripartite quantum system
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Publication date: Available online 18 May 2020Source: Physics Letters AAuthor(s): Pradip Laha, S. Lakshmibala, V. Balakrishnan (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 00:35:33 +0100791521398Bäcklund transforms of the extreme Kerr near-horizon geometry
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Publication date: Available online 19 May 2020Source: Physics Letters AAuthor(s): Reinhard Meinel, Andreas Kleinwächter (Source: Physics Letters A)Physics Letters AjournalsWed, 20 May 2020 00:35:33 +0100791521397Arsenic pentafluoride surface adsorption studies on Kagome-phosphorene – a DFT outlook
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Publication date: Available online 15 May 2020Source: Physics Letters AAuthor(s): V. Nagarajan, R. Chandiramouli (Source: Physics Letters A)Physics Letters AjournalsSun, 17 May 2020 15:14:27 +0100790911095Surface-enhanced Raman scattering based on hybrid surface plasmon excited by Au nanodisk and Au film coupling structure
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Publication date: Available online 15 May 2020Source: Physics Letters AAuthor(s): Yuan Wu, Xiangxian Wang, Xiaolei Wen, Jiankai Zhu, Xuelin Bai, Tianxu Jia, Hua Yang, Liping Zhang, Yunping Qi (Source: Physics Letters A)Physics Letters AjournalsSun, 17 May 2020 15:14:27 +0100790911094A note on the spheroidal modes vibration of an elastic sphere in linear viscoelastic fluid
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Publication date: Available online 16 May 2020Source: Physics Letters AAuthor(s): A. El Baroudi (Source: Physics Letters A)Physics Letters AjournalsSun, 17 May 2020 15:14:27 +0100790911093Nonlinear behavior of a surface charge on the curved plasma boundary with a moving cavity
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Publication date: Available online 14 May 2020Source: Physics Letters AAuthor(s): O.M. Gradov (Source: Physics Letters A)Physics Letters AjournalsFri, 15 May 2020 20:41:32 +0100790454506Achieving desired quality of ZnS buffer layer by optimization using air annealing for solar cell applications
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Publication date: Available online 14 May 2020Source: Physics Letters AAuthor(s): Divya Agrawal, D. Suthar, R. Agarwal, Himanshu, S.L. Patel, M.S. Dhaka (Source: Physics Letters A)Physics Letters AjournalsFri, 15 May 2020 20:41:32 +0100790454505Mixed Fano-SP resonant absorption of THz electromagnetic waves in a photonic resonator contacting with a metal film
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Publication date: Available online 14 May 2020Source: Physics Letters AAuthor(s): E.Ya. Glushko (Source: Physics Letters A)Physics Letters AjournalsFri, 15 May 2020 20:41:32 +0100790454504Symplectic group methods and the Arthurs Kelly model of measurement in quantum mechanics
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Publication date: Available online 14 May 2020Source: Physics Letters AAuthor(s): Arvind, S. Chaturvedi, N. Mukunda (Source: Physics Letters A)Physics Letters AjournalsFri, 15 May 2020 20:41:32 +0100790454503Interface effect between blue phosphorus and metals
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Publication date: Available online 14 May 2020Source: Physics Letters AAuthor(s): Si-Cong Zhu, Tie-Yi Hu, Cho-Tung Yip, Kai-Lun Yao, Chi-Hang Lam (Source: Physics Letters A)Physics Letters AjournalsFri, 15 May 2020 20:41:32 +0100790454502Twin boundary and grain boundary effects on cyclic responses of tensile pre-deformed highly oriented nanotwinned Cu: Molecular dynamics simulation
https://medworm.com/790454501/twin-boundary-and-grain-boundary-effects-on-cyclic-responses-of-tensile-pre-deformed-highly-oriented/
Publication date: Available online 14 May 2020Source: Physics Letters AAuthor(s): Zailin Yang, Jin Liu, Yong Yang, Hairui Li, Evans Kabutey Kateye, Jianwei Zhao (Source: Physics Letters A)Physics Letters AjournalsFri, 15 May 2020 20:41:32 +0100790454501HfSe2 monolayer stability tuning by strain and charge doping
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Publication date: Available online 13 May 2020Source: Physics Letters AAuthor(s): Shujing Li, Mei Zhou, Xiaohui Wang, Fawei Zheng, Xiaohong Shao, Ping Zhang (Source: Physics Letters A)Physics Letters AjournalsThu, 14 May 2020 15:14:32 +0100790149904Construction of coherent states for Morse potential: A su(2)-like approach
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Publication date: Available online 13 May 2020Source: Physics Letters AAuthor(s): Abdessamad Belfakir, Yassine Hassouni, Evaldo M.F. Curado (Source: Physics Letters A)Physics Letters AjournalsThu, 14 May 2020 15:14:32 +0100790149903New integrable (2+1)- and (3+1)-dimensional sinh-Gordon equations with constant and time-dependent coefficients
https://medworm.com/789997171/new-integrable-21-and-31-dimensional-sinh-gordon-equations-with-constant-and-time-dependent-c/
Publication date: Available online 12 May 2020Source: Physics Letters AAuthor(s): Abdul-Majid Wazwaz (Source: Physics Letters A)Physics Letters AjournalsThu, 14 May 2020 01:11:39 +0100789997171On the Hellmann-Feynman theorem in statistical mechanics
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Publication date: Available online 11 May 2020Source: Physics Letters AAuthor(s): Paolo Amore, Francisco M. Fernández (Source: Physics Letters A)Physics Letters AjournalsTue, 12 May 2020 21:11:32 +0100789693236Ab initio study of pressure–induced metallization and superconductivity in orthorhombic LiBH2 phase under ultra-high pressure
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Publication date: Available online 11 May 2020Source: Physics Letters AAuthor(s): Lingjuan Hao, Zhikang Yuan, Xiaogang Guo, Yang Zhang, Kun Luo, Yufei Gao, Feifei Ling, Xinghao Chen, Zhisheng Zhao, Dongli Yu (Source: Physics Letters A)Physics Letters AjournalsMon, 11 May 2020 16:35:32 +0100789389297Quantum Cheshire cats and their elements of reality
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): Li-Yi Hsu (Source: Physics Letters A)Physics Letters AjournalsSat, 09 May 2020 21:35:30 +0100788932213Ultrathin MnO2 nanosheets grown on hollow carbon spheres with enhanced capacitive performance
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): Jinghua Liu, Fengfan Li, Xin Li, Xiong He (Source: Physics Letters A)Physics Letters AjournalsSat, 09 May 2020 21:35:30 +0100788932212The electronic structure, magnetic and optical properties of B-doped CeO2 (111) surface by first-principles
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): Rong Han, Mengyu Qi, Zhuo Mao, Xiang Lin, Ping Wu (Source: Physics Letters A)Physics Letters AjournalsSat, 09 May 2020 21:35:30 +0100788932211Effect of dynamic fragmentation on biodiversity in a heterogeneous environment
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): Carlos A.M. de Souza, Sara L.C. Daza, José A. de Lima Filho, Paulo R.A. Campos, Viviane M. de Oliveira (Source: Physics Letters A)Physics Letters AjournalsSat, 09 May 2020 21:35:30 +0100788932210Almost perfect transmission of multipartite entanglement through disordered and noisy spin chains
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): Rafael Vieira, Gustavo Rigolin (Source: Physics Letters A)Physics Letters AjournalsSat, 09 May 2020 21:35:30 +0100788932208Computational universality of fungal sandpile automata
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): Eric Goles, Michail-Antisthenis Tsompanas, Andrew Adamatzky, Martin Tegelaar, Han A.B. Wosten, Genaro J. Martínez (Source: Physics Letters A)Physics Letters AjournalsSat, 09 May 2020 21:35:30 +0100788932207Structural stability and electronic properties of Sr induced (5×4) reconstruction on Si(111) surface
https://medworm.com/788628277/structural-stability-and-electronic-properties-of-sr-induced-54-reconstruction-on-si111-surfac/
Publication date: Available online 7 May 2020Source: Physics Letters AAuthor(s): Jun-Shuai Chai, Li-Fang Xu, Jian-Tao Wang (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 16:41:29 +0100788628277Minimum-error state discrimination and quantitative wave particle duality
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Publication date: Available online 7 May 2020Source: Physics Letters AAuthor(s): Xin Lü (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 16:41:29 +0100788628276Mass-imbalanced Bose-Einstein condensed mixtures in rotating perturbed trap
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Publication date: Available online 8 May 2020Source: Physics Letters AAuthor(s): R. Kishor Kumar, A. Gammal, Lauro Tomio (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 16:41:29 +0100788628275Adsorption and diffusion behaviors of H2, H2S, NH3, CO and H2O gases molecules on MoO3 monolayer: A DFT study
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Publication date: Available online 6 May 2020Source: Physics Letters AAuthor(s): Ke Xu, Ningbo Liao, Beirong Zheng, Hongming Zhou (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 02:14:28 +0100788475704Spectrally equivalent time-dependent double wells and unstable anharmonic oscillators
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Publication date: Available online 6 May 2020Source: Physics Letters AAuthor(s): Andreas Fring, Rebecca Tenney (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 02:14:28 +0100788475702First principles study of the electronic properties and Schottky barrier in Cu2Si/C2N van der Waals heterostructures
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Publication date: Available online 6 May 2020Source: Physics Letters AAuthor(s): Xiaoling Lü, Xiao Yang, Shuhui Lv (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 02:14:28 +0100788475701Effective classical stochastic theory for quantum tunneling
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Publication date: Available online 6 May 2020Source: Physics Letters AAuthor(s): Eyal Heifetz, Igor Plochotnikov (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 02:14:28 +0100788475700Superhard Monoclinic BN Allotrope in M-Carbon Structure
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Publication date: Available online 6 May 2020Source: Physics Letters AAuthor(s): Yuanye Tian, Chunlei Kou, Mingchun Lu, Yan Yan, Dandan Zhang, Wenjing Li, Xiangyue Cui, Songbo Zhang, Miao Zhang, Lili Gao (Source: Physics Letters A)Physics Letters AjournalsFri, 08 May 2020 02:14:28 +0100788475699Molecular Dynamic Study of Temperature Dependence of Mechanical Properties and Plastic Inception of CoCrCuFeNi High-Entropy Alloy
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Publication date: Available online 5 May 2020Source: Physics Letters AAuthor(s): Jun Liu (Source: Physics Letters A)Physics Letters AjournalsWed, 06 May 2020 22:08:46 +0100788171958Self-trapped dynamics of a hollow Gaussian beam in metamaterials
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Publication date: Available online 5 May 2020Source: Physics Letters AAuthor(s): A.K. Shafeeque Ali, M. Lakshmanan (Source: Physics Letters A)Physics Letters AjournalsWed, 06 May 2020 22:08:46 +0100788171957Transport in (4+1)-D-dimensional topological insulators models
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Publication date: Available online 5 May 2020Source: Physics Letters AAuthor(s): L.S. Lima (Source: Physics Letters A)Physics Letters AjournalsWed, 06 May 2020 22:08:46 +0100788171956Quasi–monochromatic dynamics of optical solitons having quadratic–cubic nonlinearity
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Publication date: Available online 6 May 2020Source: Physics Letters AAuthor(s): Anjan Biswas (Source: Physics Letters A)Physics Letters AjournalsWed, 06 May 2020 22:08:46 +0100788171955Transport in (4 + 1)-D-dimensional topological insulators models
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Publication date: Available online 5 May 2020Source: Physics Letters AAuthor(s): L.S. Lima (Source: Physics Letters A)Physics Letters AjournalsTue, 05 May 2020 17:35:35 +0100787868285Pore-size dependence of the heat conduction in porous silicon and phonon spectral energy density analysis
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Publication date: Available online 29 April 2020Source: Physics Letters AAuthor(s): Jia Chen, Xiaobing Zhang (Source: Physics Letters A)Physics Letters AjournalsThu, 30 Apr 2020 23:14:32 +0100786658285Current-voltage characteristics of radiating Josephson sandwich
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Publication date: Available online 28 April 2020Source: Physics Letters AAuthor(s): A.S. Malishevskii, S.A. Uryupin (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 18:14:42 +0100786352595An existence of universality in the dynamics of two types of glass-forming liquids - fragile liquids and strong liquids
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Publication date: Available online 28 April 2020Source: Physics Letters AAuthor(s): Michio Tokuyama (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 18:14:42 +0100786352594Ground-state correlation energy of counterions at a charged planar wall: Gibbs-Bogoliubov lower-bound approach
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Publication date: Available online 27 April 2020Source: Physics Letters AAuthor(s): Hiroshi Frusawa (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 03:41:28 +0100786199446Double topological edge states investigation in sonic metamaterials
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Publication date: Available online 27 April 2020Source: Physics Letters AAuthor(s): Chen Chen, Tianning Chen, Wei Ding, Junzhe Zhang, Weikang Huang, Jian Zhu (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 03:41:28 +0100786199445PT–symmetric tight-binding model with asymmetric couplings
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Publication date: Available online 27 April 2020Source: Physics Letters AAuthor(s): L.A. Moreno-Rodríguez, F.M. Izrailev, J.A. Méndez-Bermúdez (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 03:41:28 +0100786199444Light-induced interaction between graphene and magnetic film in a cavity
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Publication date: Available online 28 April 2020Source: Physics Letters AAuthor(s): Peng Feng (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 03:41:28 +0100786199443Editors
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Publication date: 26 June 2020Source: Physics Letters A, Volume 384, Issue 18Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Apr 2020 03:41:28 +0100786199441Predicting the thermal conductivity enhancement of nanofluids using computational intelligence
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Publication date: Available online 24 April 2020Source: Physics Letters AAuthor(s): Yun Zhang, Xiaojie Xu (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Apr 2020 14:41:39 +0100785279770Identifying the graphene p-wave superconducting symmetry by conductance and shot noise oscillations
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Publication date: Available online 24 April 2020Source: Physics Letters AAuthor(s): Chuan-Shuai Huang, Jia-Yin Song, Y.C. Tao (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Apr 2020 14:41:39 +0100785279769Harnessing atomistic simulations to quantify activation parameters for dislocation nucleation from a grain boundary in Nickel
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Publication date: Available online 23 April 2020Source: Physics Letters AAuthor(s): S. Chandra, M.K. Samal, V.M. Chavan (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Apr 2020 00:14:36 +0100785127246Simultaneous unidirectional reciprocal filters of electromagnetic and elastic waves based on the modal symmetry of phoxonic crystal waveguides and cavity
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Publication date: Available online 23 April 2020Source: Physics Letters AAuthor(s): Haoming Li, Wenxing Liu, Tianbao Yu, Tongbiao Wang, Qinghua Liao (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Apr 2020 00:14:36 +0100785127245Mustard gas adsorption on the pristine and BN-doped graphynes: A computational study
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Publication date: Available online 23 April 2020Source: Physics Letters AAuthor(s): Esmail Vessally, Mehdi Vali, Akram Hosseinian, Mohammad Reza Poorheravi, Ahmadreza Bekhradnia (Source: Physics Letters A)Physics Letters AjournalsSat, 25 Apr 2020 00:14:36 +0100785127244Hierarchical 3D micro flower-like Co3O4 structures for NO2 detection at room temperature
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Publication date: Available online 22 April 2020Source: Physics Letters AAuthor(s): Manjeet Kumar, Vishwa Bhatt, Ju-Hyung Yun (Source: Physics Letters A)Physics Letters AjournalsThu, 23 Apr 2020 18:38:35 +0100784821005Hexagonal wurtzite MnO in ferromagnetic state: A magnetic topological spin-gapless Weyl semimetal
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Publication date: Available online 22 April 2020Source: Physics Letters AAuthor(s): Xinlei Zhao, Fengjie Ma (Source: Physics Letters A)Physics Letters AjournalsThu, 23 Apr 2020 18:38:35 +0100784821004Normal ordering of the su(1, 1) ladder operators for the quasi-number states of the Morse oscillator
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Publication date: Available online 22 April 2020Source: Physics Letters AAuthor(s): Xuanhao Chang, Sergey V. Krasnoshchekov, Vladimir I. Pupyshev, Dmitry V. Millionshchikov (Source: Physics Letters A)Physics Letters AjournalsThu, 23 Apr 2020 18:38:35 +0100784821003Exact solutions of the 1D Schrödinger equation with the Mathieu potential
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Publication date: Available online 22 April 2020Source: Physics Letters AAuthor(s): Guo-Hua Sun, Chang-Yuan Chen, Hind Taud, C. Yáñez-Márquez, Shi-Hai Dong (Source: Physics Letters A)Physics Letters AjournalsThu, 23 Apr 2020 18:38:35 +0100784821002Proposal for probing the Majorana zero modes by testing the Pauli exclusion principle with two quantum dots
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Publication date: Available online 21 April 2020Source: Physics Letters AAuthor(s): Yi-An Chen, Jia-Jin Feng, Zhi Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Apr 2020 13:38:34 +0100784514218Performance analysis of indium phosphide channel based sub-10 nm double gate spin field effect transistor
https://medworm.com/784514217/performance-analysis-of-indium-phosphide-channel-based-sub-10-nm-double-gate-spin-field-effect-trans/
Publication date: Available online 21 April 2020Source: Physics Letters AAuthor(s): Gul Faroz A. Malik, Mubashir A. Kharadi, Farooq A. Khanday, Khurshed A. Shah (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Apr 2020 13:38:34 +0100784514217Expansion dynamics of atmospheric pressure helium plasma jet in ambient air
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Publication date: Available online 21 April 2020Source: Physics Letters AAuthor(s): G. Veda Prakash, Kiran Patel, Narayan Behera, Ajai Kumar (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Apr 2020 13:38:34 +0100784514216Editors
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Publication date: 15 June 2020Source: Physics Letters A, Volume 384, Issue 17Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 22 Apr 2020 13:38:34 +0100784514214Investigation on mechanical and temperature dependent electrical properties of potassium hydrogen oxalate oxalic acid dihydrate single crystal
https://medworm.com/784361430/investigation-on-mechanical-and-temperature-dependent-electrical-properties-of-potassium-hydrogen-ox/
Publication date: Available online 20 April 2020Source: Physics Letters AAuthor(s): K. Mahendra, N.K. Udayashankar (Source: Physics Letters A)Physics Letters AjournalsTue, 21 Apr 2020 23:03:09 +0100784361430The direct method for multisolitons and two-hump solitons in the Hirota-Satsuma system
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Publication date: Available online 20 April 2020Source: Physics Letters AAuthor(s): Hugo Parra Prado, Luis A. Cisneros-Ake (Source: Physics Letters A)Physics Letters AjournalsTue, 21 Apr 2020 23:03:09 +0100784361429Influence of edge passivation on the transport properties of the zigzag phosphorene nanoribbons
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): H.L. Shi, M.R. Song, Z.T. Jiang, Y.H. Ren, Q.Z. Han (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600242Correlation Plenoptic Imaging for microscopy applications
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Alessio Scagliola, Francesco Di Lena, Augusto Garuccio, Milena D'Angelo, Francesco V. Pepe (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600241On the chemical potential of nanoparticle dispersion
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): H. Machrafi (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600240Magnetic and electronic properties of zigzag BN nanoribbons with nonmetallic atom terminations: A first-principles study
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Xiong Li, Can Huang, Yan Zhu, Chunlan Ma (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600239Implementation of Popper's thought experiment with pseudo-thermal light
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Bianca Giacomelli, Alessia Allevi, Maria Bondani (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600238Analytical approach to level delocalization and line shifts in finite temperature dense plasmas
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): X. Li, F.B. Rosmej (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600237Superfluid fraction of an ultracold interacting boson atoms trapped in a combined harmonic-deep optical potential
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Ahmed S. Hassan, Azza M. El-Badry, M.R.M. Elsharkawya, Adel M. Mohammedein, A.M. Abdallah (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600236The strange attraction phenomenon induced by phonon-mediated off-resonant coupling in a biexciton-cavity system
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Juan J. Vanegas-Giraldo, Herbert Vinck-Posada, Santiago Echeverri-Arteaga, Edgar A. Gómez (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600235Extended Dirac oscillator in (2 + 1)-dimensional space-time
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Yassine Chargui (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600234Exact solution of the Heisenberg XX model with twisted boundary conditions
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Publication date: Available online 17 April 2020Source: Physics Letters AAuthor(s): Xuchu Huang, Yihua Song, Yi Sun (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600233Signature of the ferromagnetic (T = 0) transition in real space and time
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Publication date: Available online 18 April 2020Source: Physics Letters AAuthor(s): André Neves Ribeiro (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600232Editors
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Publication date: 4 June 2020Source: Physics Letters A, Volume 384, Issue 16Author(s): (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Apr 2020 23:11:32 +0100783600216Jensen inequality and the second law
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Publication date: Available online 9 April 2020Source: Physics Letters AAuthor(s): P.D. Gujrati (Source: Physics Letters A)Physics Letters AjournalsSat, 11 Apr 2020 06:08:27 +0100781625780Cd12O12 cage cluster-assembled nanowires and band gap regulation: A first-principles investigation
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Publication date: Available online 8 April 2020Source: Physics Letters AAuthor(s): Xiaolin Guo, Haiming Duan, Biaobing Cao, Shuwei Lu, Mengqiu Long, Fengjuan Chen, Ablat Abliz, Zhaofeng Wu, Qun Jing, Qihua Sun, ChuanChuan Zhang (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322494Configurational entropy of optical bright similariton in tapered graded-index waveguide
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Publication date: Available online 8 April 2020Source: Physics Letters AAuthor(s): Pooja Thakur, Marcelo Gleiser, Anil Kumar, Rama Gupta (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322493Effects of dust-charge gradient and polarization forces on the waves and Jeans instability in strongly coupled dusty plasma
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Publication date: Available online 8 April 2020Source: Physics Letters AAuthor(s): Bivash Dolai, R.P. Prajapati (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322492Sum rules in multiphoton coincidence rates
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Publication date: Available online 8 April 2020Source: Physics Letters AAuthor(s): David Amaro Alcalá, Dylan Spivak, Hubert de Guise (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322491A method to select the optimal equivalent electrical circuit applied to study corrosion system of composite coating on magnesium alloy
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Publication date: Available online 8 April 2020Source: Physics Letters AAuthor(s): F.S. Wang, Y. Li, Y.X. Zhang, G.Y. Chen (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322490Structural, electronic, magnetic properties and critical behavior of the equiatomic quaternary Heusler alloy CoFeTiSn
https://medworm.com/781322489/structural-electronic-magnetic-properties-and-critical-behavior-of-the-equiatomic-quaternary-heusl/
Publication date: Available online 8 April 2020Source: Physics Letters AAuthor(s): S. Idrissi, H. Labrim, S. Ziti, L. Bahmad (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322489Editors
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Publication date: 29 May 2020Source: Physics Letters A, Volume 384, Issue 15Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 10 Apr 2020 01:38:38 +0100781322469Conserved spin current with a perpendicular magnetic field
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Publication date: Available online 7 April 2020Source: Physics Letters AAuthor(s): Tsung-Wei Chen (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Apr 2020 21:05:33 +0100781017260Solitons in magneto–optic waveguides with quadratic–cubic nonlinearity
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Publication date: Available online 7 April 2020Source: Physics Letters AAuthor(s): Elsayed M.E. Zayed, Reham M.A. Shohib, Mahmoud M. El–Horbaty, Anjan Biswas, Mir Asma, Mehmet Ekici, Abdullah Kamis Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Apr 2020 21:05:33 +0100781017259Electronic properties of bilayer graphene catenoid bridge
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Publication date: Available online 7 April 2020Source: Physics Letters AAuthor(s): J.E.G. Silva, J. Furtado, T.M. Santiago, Antonio C.A. Ramos, D.R. da Costa (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Apr 2020 21:05:33 +0100781017258Quantum information capsule in multiple-qudit systems and continuous-variable systems
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Publication date: Available online 7 April 2020Source: Physics Letters AAuthor(s): Koji Yamaguchi, Masahiro Hotta (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Apr 2020 21:05:33 +0100781017257Bright soliton dynamics in Fourier synthesized optical lattice
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Publication date: Available online 7 April 2020Source: Physics Letters AAuthor(s): Z. Oztas (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Apr 2020 21:05:33 +0100781017256Strongly anisotropic thermal conductivity in planar hexagonal borophene oxide sheet
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Publication date: Available online 7 April 2020Source: Physics Letters AAuthor(s): Yan Yin, Yanxiao Hu, Chunbao Feng, Shichang Li, Bo-Lin Li, Dengfeng Li (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Apr 2020 21:05:33 +0100781017255Chaotic Density Matrix in the classical limit
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Publication date: Available online 6 April 2020Source: Physics Letters AAuthor(s): A.M. Kowalski, A. Plastino (Source: Physics Letters A)Physics Letters AjournalsTue, 07 Apr 2020 16:08:37 +0100780710888High order derivatives of Boltzmann microcanonical entropy with an additional conserved quantity
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Publication date: Available online 6 April 2020Source: Physics Letters AAuthor(s): Ghofrane Bel-Hadj-Aissa (Source: Physics Letters A)Physics Letters AjournalsTue, 07 Apr 2020 16:08:37 +0100780710887Discrete solitons in zigzag waveguide arrays with different types of linear mixing between nearest-neighbor and next-nearest-neighbor couplings
https://medworm.com/780710886/discrete-solitons-in-zigzag-waveguide-arrays-with-different-types-of-linear-mixing-between-nearest-n/
Publication date: Available online 6 April 2020Source: Physics Letters AAuthor(s): Jinzhou Hu, Shulan Li, Zhaopin Chen, Jiantao Lü, Bin Liu, Yongyao Li (Source: Physics Letters A)Physics Letters AjournalsTue, 07 Apr 2020 16:08:37 +0100780710886Surface waves in a crystal with switching Kerr nonlinearity
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Publication date: Available online 6 April 2020Source: Physics Letters AAuthor(s): S.E. Savotchenko (Source: Physics Letters A)Physics Letters AjournalsTue, 07 Apr 2020 16:08:37 +0100780710885Monte Carlo Study of Magnetocaloric properties and Hysteresis behavior of the double perovskite Sr2CrIrO6
https://medworm.com/780100462/monte-carlo-study-of-magnetocaloric-properties-and-hysteresis-behavior-of-the-double-perovskite-sr2c/
Publication date: Available online 3 April 2020Source: Physics Letters AAuthor(s): Othmane Amhoud, Noura Zaim, Mohamed Kerouad, Ahmed Zaim (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Apr 2020 07:05:28 +0100780100462Phase sensitive, all-optical and self-integrated multi-logic AND, OR, XOR, and NOT gates
https://medworm.com/780100461/phase-sensitive-all-optical-and-self-integrated-multi-logic-and-or-xor-and-not-gates/
Publication date: Available online 3 April 2020Source: Physics Letters AAuthor(s): Amin Ghadi (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Apr 2020 07:05:28 +0100780100461Optimal measures, nonzero projections, and irreducible representations
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Publication date: Available online 31 March 2020Source: Physics Letters AAuthor(s): Lonnie Turpin (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 17:02:31 +0100779185814Investigation of the 1/2 order subharmonic emissions of the period-2 oscillations of an ultrasonically excited bubble
https://medworm.com/779185813/investigation-of-the-12-order-subharmonic-emissions-of-the-period-2-oscillations-of-an-ultrasonical/
Publication date: Available online 31 March 2020Source: Physics Letters AAuthor(s): A.J. Sojahrood, R. Earl, M.C. Kolios, R. Karshafian (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 17:02:31 +0100779185813Reservoir induced activation of a quantum neuron
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Publication date: Available online 30 March 2020Source: Physics Letters AAuthor(s): Deniz Türkpençe (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 02:35:42 +0100779032138Solitary waves in the resonant nonlinear Schrödinger equation: Stability and dynamical properties
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Publication date: Available online 30 March 2020Source: Physics Letters AAuthor(s): F. Williams, F. Tsitoura, T.P. Horikis, P.G. Kevrekidis (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 02:35:42 +0100779032137Functionalizing AlN monolayer with hydroxyl group: Effect on the structural and electronic properties
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Publication date: Available online 30 March 2020Source: Physics Letters AAuthor(s): D.M. Hoat, Mosayeb Naseri, Nguyen T.T. Binh, J.F. Rivas-Silva, Tuan V. Vu, Gregorio H. Cocoletzi (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 02:35:42 +0100779032136Magnetic properties on Chern insulator of checkerboard lattice with topological flat band
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Publication date: Available online 30 March 2020Source: Physics Letters AAuthor(s): Shan Li, Jing Yu, Jing He (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 02:35:42 +0100779032135On rational electromagnetic fields
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Publication date: Available online 30 March 2020Source: Physics Letters AAuthor(s): Olaf Lechtenfeld, Kaushlendra Kumar (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 02:35:42 +0100779032134Editors
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Publication date: 18 May 2020Source: Physics Letters A, Volume 384, Issue 14Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Apr 2020 02:35:42 +0100779032116Dark, singular and straddled optical solitons in birefringent fibers with generalized anti–cubic nonlinearity
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Publication date: Available online 27 March 2020Source: Physics Letters AAuthor(s): Elsayed M.E. Zayed, Mohamed E.M. Alngar, Anjan Biswas, Mehmet Ekici, Luminita Moraru, Abdullah Kamis Alzahrani, Milivoj R. Belic (Source: Physics Letters A)Physics Letters AjournalsSat, 28 Mar 2020 13:11:27 +0100778119895Structures, mobilities, electronic and optical properties of two-dimensional α-phase group-VI binary compounds: α-Se2Te and α-SeTe2
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Publication date: Available online 26 March 2020Source: Physics Letters AAuthor(s): Gang Liu, Hui Wang, Guo-Ling Li (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Mar 2020 22:13:26 +0100777967699Density structures and giant vortex in spin-orbit coupled Bose-Einstein condensates with the harmonic-plus-radial potential
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Publication date: Available online 26 March 2020Source: Physics Letters AAuthor(s): Lihua Pan, Qiu Wu, Qing-Li Zhu, Yong-Jun Liu (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Mar 2020 22:13:26 +0100777967698Photoinduced anisotropic edge states and signatures of nonequilibrium spin polarization in silicene nanoribbons
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Publication date: Available online 26 March 2020Source: Physics Letters AAuthor(s): Jia-kun Wang, Jia-Yu Li, Hou-Jian Duan, Rui-Qiang Wang (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Mar 2020 22:13:26 +0100777967697Numerical study of the nonlocal effects in a charge density wave system
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Publication date: Available online 25 March 2020Source: Physics Letters AAuthor(s): M. Qjani, R. Essajai (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Mar 2020 16:42:03 +0100777664077Vertex correction and conductivity in 2D Dirac-like systems with non-conserving spin disorder
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Publication date: Available online 25 March 2020Source: Physics Letters AAuthor(s): Rhonald Burgos (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Mar 2020 16:42:03 +0100777664076Kondo-assistant Aharonov-Bohm transport in a quantum dot-Majorana wire system
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Publication date: Available online 24 March 2020Source: Physics Letters AAuthor(s): Fu-Bin Yang (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Mar 2020 02:35:43 +0100777512763The mechanism of alliance promotes cooperation in the spatial multi-games
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Publication date: Available online 24 March 2020Source: Physics Letters AAuthor(s): Xiaopeng Li, Huaibin Wang, Gang Hao, Chengyi Xia (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Mar 2020 02:35:43 +0100777512762Properties of RhP predicted by first-principles
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Publication date: Available online 24 March 2020Source: Physics Letters AAuthor(s): Dan Jin, Xiaojing Yao, Pan Li, Zhixue Tian, Ying Liu (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Mar 2020 02:35:43 +0100777512761Measurement and analysis of the height of potential barrier and depth of moving potential dot in the quantum point contact
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Publication date: Available online 24 March 2020Source: Physics Letters AAuthor(s): C.Y. Zhang, S.P. Shi, X.F. Zhao, J.G. Du (Source: Physics Letters A)Physics Letters AjournalsThu, 26 Mar 2020 02:35:43 +0100777512760Partition functions and thermodynamic properties of paraboson and parafermion systems
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Publication date: Available online 23 March 2020Source: Physics Letters AAuthor(s): N.I. Stoilova, J. Van der Jeugt (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Mar 2020 22:14:32 +0100777209947Asymmetric acoustic transmission by unbalanced excitation of surface evanescent waves based on single-layer lossless metasurface
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Publication date: Available online 23 March 2020Source: Physics Letters AAuthor(s): Xinpei Song, Tianning Chen, Jian Zhu, Wei Ding, Qingxuan Liang, Xiaopeng Wang (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Mar 2020 22:14:32 +0100777209946The theory of the quantum kernel-based binary classifier
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Publication date: Available online 23 March 2020Source: Physics Letters AAuthor(s): Daniel K. Park, Carsten Blank, Francesco Petruccione (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Mar 2020 22:14:32 +0100777209945A study on the phase transformation behaviour of Cu-20wt.Sn alloy produced using powder metallurgy method: Experimental and molecular dynamics modelling
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Publication date: Available online 23 March 2020Source: Physics Letters AAuthor(s): Serkan Özel, Fatih Ahmet Celik, Mehmet Kaya (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Mar 2020 22:14:32 +0100777209944The laser field controlling on the nonlinear optical specifications of the electric field-triggered Rosen-Morse quantum well
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Publication date: Available online 23 March 2020Source: Physics Letters AAuthor(s): F. Ungan, M.K. Bahar (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Mar 2020 22:14:32 +0100777209943Tunable band gaps in an inertant metamaterial plate with two-degree-of-freedom local resonance
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Publication date: Available online 23 March 2020Source: Physics Letters AAuthor(s): Wang Ting (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Mar 2020 22:14:32 +0100777209942Nonclassical joint distributions and Bell measurements
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Publication date: Available online 20 March 2020Source: Physics Letters AAuthor(s): Elisa Masa, Laura Ares, Alfredo Luis (Source: Physics Letters A)Physics Letters AjournalsSat, 21 Mar 2020 22:35:33 +0100776453122The physics of helical electron beam in a uniform magnetic field as a testing ground of gauge principle
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Publication date: Available online 20 March 2020Source: Physics Letters AAuthor(s): Masashi Wakamatsu, Yoshio Kitadono, Liping Zou, Pengming Zhang (Source: Physics Letters A)Physics Letters AjournalsSat, 21 Mar 2020 22:35:33 +0100776453121Multi-band giant circular dichroism based on conjugated bilayer twisted-semicircle nanostructure at optical frequency
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Publication date: Available online 20 March 2020Source: Physics Letters AAuthor(s): Yongzhi Cheng, Fu Chen, Hui Luo (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 18:35:32 +0100776149859Detection of genuine N-Qubit W state, GHZ state and Twin-Fock state via Quantum Fisher information
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Publication date: Available online 18 March 2020Source: Physics Letters AAuthor(s): Yan Li, Pengfei Li (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 04:35:29 +0100775998299AlN nanotubes and nanosheets as anode material for K-ion batteries: DFT studies
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Publication date: Available online 18 March 2020Source: Physics Letters AAuthor(s): Pei Weichi, Long Haiyang, Zhang Xuejing, Zhang Wenming, Saeid Ebrahimi (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 04:35:29 +0100775998298Variability in the noise-induced modes of climate dynamics
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Publication date: Available online 19 March 2020Source: Physics Letters AAuthor(s): Dmitri V. Alexandrov, Irina A. Bashkirtseva, Lev B. Ryashko (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 04:35:29 +0100775998297Effect of impurities ordering in the electronic spectrum and conductivity of graphene
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Publication date: Available online 19 March 2020Source: Physics Letters AAuthor(s): S.P. Repetsky, I.G. Vyshyvana, S.P. Kruchinin, B. Vlahovic, S. Bellucci (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 04:35:29 +0100775998296Generalization of the Kelvin Equation for Arbitrarily Curved Surfaces
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Publication date: Available online 19 March 2020Source: Physics Letters AAuthor(s): David V. Svintradze (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 04:35:29 +0100775998295Editors
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Publication date: 7 May 2020Source: Physics Letters A, Volume 384, Issue 13Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 20 Mar 2020 04:35:29 +0100775998279The effect of two ferromagnetic metal stripes on valley polarization of electrons in a graphene
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Publication date: Available online 18 March 2020Source: Physics Letters AAuthor(s): Jian-Duo Lu (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Mar 2020 00:12:27 +0100775693912Confinement and Zitterbewegung in a spin-orbit-coupled Bose-Einstein condensate with a spatially localized Raman coupling
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Publication date: Available online 18 March 2020Source: Physics Letters AAuthor(s): Fangzheng Yuan, Zhiling Liu (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Mar 2020 00:12:27 +0100775693911Emergence of a non-Fowler-Nordheim-type behavior for a general planar tunneling barrier
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Publication date: Available online 13 March 2020Source: Physics Letters AAuthor(s): Nei Lopes, A.V. Andrade-Neto (Source: Physics Letters A)Physics Letters AjournalsSat, 14 Mar 2020 21:02:25 +0100774635049Limiting distribution of periodic position measurements of a quantum harmonic oscillator
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Publication date: Available online 13 March 2020Source: Physics Letters AAuthor(s): Arnab Acharya, Debapriya Pal, Soumitro Banerjee, Ananda Dasgupta (Source: Physics Letters A)Physics Letters AjournalsFri, 13 Mar 2020 16:38:28 +0100774332401Cascade replication of soliton solutions in the one-dimensional complex cubic-quintic Ginzburg-Landau equation
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Publication date: Available online 10 March 2020Source: Physics Letters AAuthor(s): Yao Zhao, Chuan-Yin Xia, Hua-Bi Zeng (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Mar 2020 22:08:42 +0100773878181Structure formation in turbulence as an instability of effective quantum plasma
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Publication date: Available online 3 March 2020Source: Physics Letters AAuthor(s): Vasileios Tsiolis, Yao Zhou, I.Y. Dodin (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Mar 2020 08:03:29 +0100773727503Quasi-distributions for arbitrary non-commuting operators
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Publication date: Available online 9 March 2020Source: Physics Letters AAuthor(s): J.S. Ben-Benjamin, L. Cohen (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Mar 2020 08:03:29 +0100773727492Complete characterization of the directly implementable quantum gates used in the IBM quantum processors
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Publication date: Available online 9 March 2020Source: Physics Letters AAuthor(s): Abhishek Shukla, Mitali Sisodia, Anirban Pathak (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Mar 2020 08:03:29 +0100773727491Tighter polygamy relations for a superposition of the generalized W class state and vacuum beyond qubits
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Publication date: Available online 9 March 2020Source: Physics Letters AAuthor(s): Xian Shi (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Mar 2020 08:03:29 +0100773727490Darboux transformation for a generalized Ablowitz-Kaup-Newell-Segur hierarchy equation
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Publication date: Available online 9 March 2020Source: Physics Letters AAuthor(s): Guan Xue, Qin Zhou, Anjan Biswas, Abdullah Kamis Alzahrani, Wenjun Liu (Source: Physics Letters A)Physics Letters AjournalsWed, 11 Mar 2020 08:03:29 +0100773727489Causality in the Fermi problem and the Magnus expansion
https://medworm.com/772818692/causality-in-the-fermi-problem-and-the-magnus-expansion/
Publication date: Available online 6 March 2020Source: Physics Letters AAuthor(s): J.S. Ben-Benjamin (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 18:39:02 +0100772818692Hirota-Satsuma dynamics as a non-relativistic limit of KdV equations
https://medworm.com/772818691/hirota-satsuma-dynamics-as-a-non-relativistic-limit-of-kdv-equations/
Publication date: Available online 6 March 2020Source: Physics Letters AAuthor(s): Blagoje Oblak (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 18:39:02 +0100772818691Antiferromagnetic-vortex dynamics driven by spin-polarized current in small thin disks
https://medworm.com/772818690/antiferromagnetic-vortex-dynamics-driven-by-spin-polarized-current-in-small-thin-disks/
Publication date: Available online 6 March 2020Source: Physics Letters AAuthor(s): R.J.C. Lopes, R.C. Silva, R.L. Siva, W.A. Moura-Melo, A.R. Pereira (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 18:39:02 +0100772818690Pool expulsion and cooperation in the spatial public goods game
https://medworm.com/772818689/pool-expulsion-and-cooperation-in-the-spatial-public-goods-game/
Publication date: Available online 7 March 2020Source: Physics Letters AAuthor(s): Xiaofeng Wang, Maja Duh, Matjaž Perc (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 18:39:02 +0100772818689Topological bulk-edge effects in quantum graph transport
https://medworm.com/772818688/topological-bulk-edge-effects-in-quantum-graph-transport/
Publication date: Available online 7 March 2020Source: Physics Letters AAuthor(s): Pavel Exner, Jiří Lipovský (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 18:39:02 +0100772818688Magnetotransport in fractal network with loop sub-structures: Anisotropic effect and delocalization
https://medworm.com/772667584/magnetotransport-in-fractal-network-with-loop-sub-structures-anisotropic-effect-and-delocalization/
Publication date: Available online 5 March 2020Source: Physics Letters AAuthor(s): Baisakhi Mal, Madhuparna Banerjee, Santanu K. Maiti (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 04:37:24 +0100772667584Is all-electrical silicon quantum computing feasible in the long term?
https://medworm.com/772667583/is-all-electrical-silicon-quantum-computing-feasible-in-the-long-term/
Publication date: Available online 5 March 2020Source: Physics Letters AAuthor(s): Elena Ferraro, Enrico Prati (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 04:37:24 +0100772667583Editors
https://medworm.com/772667566/editors/
Publication date: 30 April 2020Source: Physics Letters A, Volume 384, Issue 12Author(s): (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Mar 2020 04:37:24 +0100772667566Hp-C17: A novel carbon allotrope with an all-sp3 network
https://medworm.com/772364816/hp-c17-a-novel-carbon-allotrope-with-an-all-sp3-network/
Publication date: Available online 4 March 2020Source: Physics Letters AAuthor(s): Haishan Su, Zhenhai Lai, Erjun Kan, Xi Zhu (Source: Physics Letters A)Physics Letters AjournalsThu, 05 Mar 2020 23:36:20 +0100772364816Controlling the size scaling of the thermal conductivity in harmonic chains with correlated mass disorder
https://medworm.com/772364815/controlling-the-size-scaling-of-the-thermal-conductivity-in-harmonic-chains-with-correlated-mass-dis/
Publication date: Available online 4 March 2020Source: Physics Letters AAuthor(s): I.F. Herrera-González, J.A. Méndez-Bermúdez (Source: Physics Letters A)Physics Letters AjournalsThu, 05 Mar 2020 23:36:20 +0100772364815Topological phase transition in the trirutile-type MgBi2O6
https://medworm.com/772061546/topological-phase-transition-in-the-trirutile-type-mgbi2o6/
Publication date: Available online 3 March 2020Source: Physics Letters AAuthor(s): Fanfan Shang, Zhenwei Wang, Guangtao Wang (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 19:03:32 +0100772061546Structure formation in turbulence as instability of effective quantum plasma
https://medworm.com/772061545/structure-formation-in-turbulence-as-instability-of-effective-quantum-plasma/
Publication date: Available online 3 March 2020Source: Physics Letters AAuthor(s): Vasileios Tsiolis, Yao Zhou, I.Y. Dodin (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 19:03:32 +0100772061545The optical emission spectroscopy of nitrogen plasma driven by the 94.92 MHz/13.56 MHz dual-frequency
https://medworm.com/772061544/the-optical-emission-spectroscopy-of-nitrogen-plasma-driven-by-the-9492-mhz1356-mhz-dual-frequenc/
Publication date: Available online 3 March 2020Source: Physics Letters AAuthor(s): Qianghua Yuan, Pei Ren, Shanshan Liu, Jingjing Wang, Guiqin Yin (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 19:03:32 +0100772061544Plasma screening effects on the atomic structure of He-like ions embedded in strongly coupled plasma
https://medworm.com/771909521/plasma-screening-effects-on-the-atomic-structure-of-he-like-ions-embedded-in-strongly-coupled-plasma/
Publication date: Available online 2 March 2020Source: Physics Letters AAuthor(s): A.K. Singh, Dishu Dawra, Mayank Dimri, Alok K.S. Jha, Rakesh Kumar Pandey, Man Mohan (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909521Phase stability and temperature effect in ScX (X=S, Se and Te) compounds
https://medworm.com/771909520/phase-stability-and-temperature-effect-in-scx-xs-se-and-te-compounds/
Publication date: Available online 2 March 2020Source: Physics Letters AAuthor(s): Changhao Wang, Leizhi Gao, Ruzhi Wang, Bangming Ming, Gencai Guo, Hui Yan (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909520Non-monotonous behavior of the number variance, Mandel factor, invariant uncertainty product and purity for the quantum damped harmonic oscillator
https://medworm.com/771909519/non-monotonous-behavior-of-the-number-variance-mandel-factor-invariant-uncertainty-product-and-pur/
Publication date: Available online 2 March 2020Source: Physics Letters AAuthor(s): J.P. Valeriano, V.V. Dodonov (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909519The frequency dependence of electromechanical behaviors of columnar-grained BaTiO3 nanofilms
https://medworm.com/771909518/the-frequency-dependence-of-electromechanical-behaviors-of-columnar-grained-batio3-nanofilms/
Publication date: Available online 2 March 2020Source: Physics Letters AAuthor(s): Qingnan Zhang, Yu Su (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909518Arbitrary ℓ-state solutions of the Klein-Gordon equation with the Manning-Rosen plus a Class of Yukawa potentials
https://medworm.com/771909517/arbitrary-state-solutions-of-the-klein-gordon-equation-with-the-manning-rosen-plus-a-class-of-yu/
Publication date: Available online 2 March 2020Source: Physics Letters AAuthor(s): A.I. Ahmadov, M. Demirci, S.M. Aslanova, M.F. Mustamin (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909517Atomic nonclassicality in the Jaynes-Cummings model
https://medworm.com/771909516/atomic-nonclassicality-in-the-jaynes-cummings-model/
Publication date: Available online 2 March 2020Source: Physics Letters AAuthor(s): Hao Dai, Shuangshuang Fu, Shunlong Luo (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909516Strain-regulated electronic structure for hydrogen evolution reaction in Fe3S4 monolayer
https://medworm.com/771909515/strain-regulated-electronic-structure-for-hydrogen-evolution-reaction-in-fe3s4-monolayer/
Publication date: Available online 3 March 2020Source: Physics Letters AAuthor(s): Yun Shan, Tinghui Li (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Mar 2020 04:38:52 +0100771909515On the role of the local oscillator intensity in optical homodyne-like tomography
https://medworm.com/770995490/on-the-role-of-the-local-oscillator-intensity-in-optical-homodyne-like-tomography/
Publication date: Available online 28 February 2020Source: Physics Letters AAuthor(s): Stefano Olivares, Alessia Allevi, Maria Bondani (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 16:09:09 +0100770995490Analysis of electronical properties of Bismuth and Silicene antidot in the presence of strain using the four-orbital tight-binding method
https://medworm.com/770995489/analysis-of-electronical-properties-of-bismuth-and-silicene-antidot-in-the-presence-of-strain-using-/
Publication date: Available online 28 February 2020Source: Physics Letters AAuthor(s): N. Nouri, G. Rashedi, H. Karbaschi (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 16:09:09 +0100770995489Editors
https://medworm.com/770995469/editors/
Publication date: 20 April 2020Source: Physics Letters A, Volume 384, Issue 11Author(s): (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 16:09:09 +0100770995469Time-dependent spontaneous localization processes
https://medworm.com/770843124/time-dependent-spontaneous-localization-processes/
Publication date: Available online 27 February 2020Source: Physics Letters AAuthor(s): F. Benatti, F. Gebbia (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 02:06:25 +0100770843124Hilbert space partitioning for non-Hermitian Hamiltonians: From off-resonance to Zeno subspaces
https://medworm.com/770843123/hilbert-space-partitioning-for-non-hermitian-hamiltonians-from-off-resonance-to-zeno-subspaces/
Publication date: Available online 27 February 2020Source: Physics Letters AAuthor(s): Benedetto Militello, Anna Napoli (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 02:06:25 +0100770843123Driven state transfer and state storage in a tight-binding chain using two local barriers
https://medworm.com/770843122/driven-state-transfer-and-state-storage-in-a-tight-binding-chain-using-two-local-barriers/
Publication date: Available online 27 February 2020Source: Physics Letters AAuthor(s): Yu-Zhen He, Yan-Dong Peng, Bing Chen (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 02:06:25 +0100770843122Reinforcement learning for optimal error correction of toric codes
https://medworm.com/770843121/reinforcement-learning-for-optimal-error-correction-of-toric-codes/
Publication date: Available online 27 February 2020Source: Physics Letters AAuthor(s): Laia Domingo Colomer, Michalis Skotiniotis, Ramon Muñoz-Tapia (Source: Physics Letters A)Physics Letters AjournalsSat, 29 Feb 2020 02:06:25 +0100770843121Effects of bonded and non-bonded B/N codoping of graphene on its stability, interaction energy, electronic structure, and power factor
https://medworm.com/770536590/effects-of-bonded-and-non-bonded-bn-codoping-of-graphene-on-its-stability-interaction-energy-elec/
Publication date: Available online 26 February 2020Source: Physics Letters AAuthor(s): Nzar Rauf Abdullah, Hunar Omar Rashid, Mohammad T. Kareem, Chi-Shung Tang, Andrei Manolescu, Vidar Gudmundsson (Source: Physics Letters A)Physics Letters AjournalsThu, 27 Feb 2020 21:12:27 +0100770536590Quantum catalysis-based discrete modulation continuous variable quantum key distribution with eight states
https://medworm.com/770231644/quantum-catalysis-based-discrete-modulation-continuous-variable-quantum-key-distribution-with-eight-/
Publication date: Available online 25 February 2020Source: Physics Letters AAuthor(s): Ying Guo, Jianzhi Ding, Yun Mao, Wei Ye, Qin Liao, Duan Huang (Source: Physics Letters A)Physics Letters AjournalsWed, 26 Feb 2020 17:12:26 +0100770231644Quantizer–dequantizer operators as a tool for formulating the quantization procedure
https://medworm.com/770231643/quantizerdequantizer-operators-as-a-tool-for-formulating-the-quantization-procedure/
Publication date: Available online 26 February 2020Source: Physics Letters AAuthor(s): Vladimir A. Andreev, Margarita A. Man'ko, Vladimir I. Man'ko (Source: Physics Letters A)Physics Letters AjournalsWed, 26 Feb 2020 17:12:26 +0100770231643The roles of heterogeneous investment mechanism in the public goods game on scale-free networks
https://medworm.com/770079511/the-roles-of-heterogeneous-investment-mechanism-in-the-public-goods-game-on-scale-free-networks/
Publication date: Available online 24 February 2020Source: Physics Letters AAuthor(s): Shaojie Lv, Jiaying Li, Jie Mi, Changheng Zhao (Source: Physics Letters A)Physics Letters AjournalsWed, 26 Feb 2020 03:12:26 +0100770079511On the shock induced instabilities in collisionless plasma
https://medworm.com/770079510/on-the-shock-induced-instabilities-in-collisionless-plasma/
Publication date: Available online 24 February 2020Source: Physics Letters AAuthor(s): V.D. Kuznetsov, A.I. Osin (Source: Physics Letters A)Physics Letters AjournalsWed, 26 Feb 2020 03:12:26 +0100770079510Twin-field quantum key distribution based on twisted photon
https://medworm.com/770079509/twin-field-quantum-key-distribution-based-on-twisted-photon/
Publication date: Available online 24 February 2020Source: Physics Letters AAuthor(s): Ze-Lin Meng, Hong Lai (Source: Physics Letters A)Physics Letters AjournalsWed, 26 Feb 2020 03:12:26 +0100770079509Accelerating imperfect fluid
https://medworm.com/769019036/accelerating-imperfect-fluid/
Publication date: Available online 20 February 2020Source: Physics Letters AAuthor(s): Hristu CuletuAbstractAn inhomogeneous fluid in accelerated motion is investigated. When the velocity field v(x) is not constant, the geometry viewed by a static observer is curved, as if the observer were immersed in a gravitational field. A velocity-dependent semiclassical gravitational potential is introduced, which obeys an Yukawa-type equation, written in Cartesian coordinates. The timelike and null geodesic equations are investigated. One finds that the fluid has zero energy density corresponding to the perfect fluid part but nonzero anisotropic energy density. The pressures will no longer depend on ħ for time intervals t>>1/m, where m is the field mass. (Source: Physics Letters A)Physics Letters AjournalsSat, 22 Feb 2020 00:15:25 +0100769019036Phase transitions and superconductivity of iron-based superconductors from first-principles
https://medworm.com/769019035/phase-transitions-and-superconductivity-of-iron-based-superconductors-from-first-principles/
Publication date: Available online 20 February 2020Source: Physics Letters AAuthor(s): Shi-Yu Liu, Shang Liu, Shiyang Liu, De-Jun Li, Deependra Shah, Ruohanyang Leng, Sanwu WangAbstractFirst-principles calculations were performed to explore the atomic, electronic and superconductivity properties of the Ba1−x(K, Na)xFe2As2, LaFeAsO1−xFx and Ca1−xLaxFeAsH iron-based superconductors. The calculations show that the iron-based superconductors undergo structural and magnetic phase transitions from an orthorhombic antiferromagnetic (AFM) structure to a tetragonal structure when the impurity (K/Na/F/La) concentration increases, indicating that the impurity can suppress the AFM of the BaFe2As2, LaFeAsO and CaFeAsH compounds and then induce superconductivity under the K/Na/F/La-rich conditions...Physics Letters AjournalsSat, 22 Feb 2020 00:15:25 +0100769019035Effect of electric field on the electronic properties of functionalized germanane by organic molecular adsorption
https://medworm.com/769019034/effect-of-electric-field-on-the-electronic-properties-of-functionalized-germanane-by-organic-molecul/
Publication date: Available online 21 February 2020Source: Physics Letters AAuthor(s): J.P. Ye, G. Liu, Y. HanAbstractModulating the doping effect and charge transfer in germanane is very important for germanane-based electronic or optoelectronic devices with reproducible electrical characteristics. In this letter, we investigate the effect of electric field on the electronic properties of functionalized germanane by tetrathiafulvalene (TTF) molecular adsorption through first-principles calculations. It is found that the nondestructive n-type doping effect induced by tetrathiafulvalene (TTF) molecular adsorption could be linearly tuned by external electric field ranged from −0.3 V/Å to 0.3 V/Å. Especially under the electric field of −0.3 V/Å, an excellent n-type doping in germanane ...Physics Letters AjournalsSat, 22 Feb 2020 00:15:25 +0100769019034Charge transport in a molecule-borophene junction: The effect of junction configurations
https://medworm.com/768716741/charge-transport-in-a-molecule-borophene-junction-the-effect-of-junction-configurations/
Publication date: Available online 19 February 2020Source: Physics Letters AAuthor(s): H. Khalatbari, S. Izadi Vishkayi, H. Rahimpour SoleimaniAbstractUsing the non-equilibrium Green's function formalism and density functional theory, we have performed a theoretical investigation of the electronic transport properties of borophene/B12N12 cage/borophene system in two armchair configurations (A1 and A2) and one zigzag configuration (A3). In fact, the successful preparation of borophene sheets and also its high electrical conductivity prompted our team to investigate the properties of this structure as electrodes in junction with B12N12 cage. The results show that the considered configurations have distinctly different transport behaviors under bias voltages. Also, the I-V curve follow the pa...Physics Letters AjournalsThu, 20 Feb 2020 19:38:42 +0100768716741Effect of trigonal warping on the Berry curvature and valley/spin Hall effects in monolayer MoS2
https://medworm.com/768716739/effect-of-trigonal-warping-on-the-berry-curvature-and-valleyspin-hall-effects-in-monolayer-mos2/
Publication date: Available online 19 February 2020Source: Physics Letters AAuthor(s): Wang Chen, Xiaoying Zhou, Pu Liu, Xianbo Xiao, Guanghui ZhouAbstractRecently, the nonlinear optical processes study on monolayer MoS2 has revealed the existence of a trigonal warping in the band structure which distorts the Fermi surface from a circle at low energies to a triangle at higher energies. Here we theoretically demonstrate that the trigonal warping induce important modifications on the Berry curvature, orbital magnetic moment, and valley Hall conductance in monolayer MoS2. The analytical results show that both Berry curvature and orbital magnetic moment are trigonally warped in contrast to the isotropic case without warping, which is consistent with the numerical calculations. The valley Hall ...Physics Letters AjournalsThu, 20 Feb 2020 19:38:42 +0100768716739Interface trap-induced negative differential resistance in nMOSFET with floating source
https://medworm.com/768565753/interface-trap-induced-negative-differential-resistance-in-nmosfet-with-floating-source/
Publication date: Available online 19 February 2020Source: Physics Letters AAuthor(s): Haifeng Chen, Hui Nie, Lixin GuoAbstractInterface trap can act as the generation center in device to induce a very weak generation current. We observed the negative differential resistance NDR of this generation current ID in nMOSFET with the floating source. It originates from that the generation function of interface trap is enabled and then is shut down in turn as increasing the drain voltage. This change relies on the interaction among the interface trap energy-level and the electron's Fermi-levels of drain and source under the floating source condition. It is found that the peak-to-valley ratio of ID is beyond 30. (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Feb 2020 05:36:49 +0100768565753Editors
https://medworm.com/768565735/editors/
Publication date: 9 April 2020Source: Physics Letters A, Volume 384, Issue 10Author(s): (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Feb 2020 05:36:49 +0100768565735Erratum to “The Penrose dodecahedron and the Witting polytope are identical in CP3” [Phys. Lett. A 381 (2017) 1853–1857]
https://medworm.com/768265862/erratum-to-the-penrose-dodecahedron-and-the-witting-polytope-are-identical-in-cp3-phys-lett/
Publication date: Available online 17 February 2020Source: Physics Letters AAuthor(s): Mordecai Waegell, P.K. Aravind (Source: Physics Letters A)Physics Letters AjournalsWed, 19 Feb 2020 00:15:32 +0100768265862Diagonal entropy in many-body systems: Volume effect and quantum phase transitions
https://medworm.com/767512557/diagonal-entropy-in-many-body-systems-volume-effect-and-quantum-phase-transitions/
Publication date: Available online 14 February 2020Source: Physics Letters AAuthor(s): Zhengan Wang, Zheng-Hang Sun, Yu Zeng, Haifeng Lang, Qiantan Hong, Jian Cui, Heng FanAbstractWe investigate the diagonal entropy(DE) of the ground state for quantum many-body systems, including the XY model and the Ising model with next nearest neighbor interactions. We focus on the DE of a subsystem of L continuous spins. We show that the DE in many-body systems, regardless of integrability, can be represented as a volume term plus a logarithmic correction and a constant offset. Quantum phase transition points can be explicitly identified by the three coefficients thereof. Besides, by combining entanglement entropy and the relative entropy of quantum coherence, as two celebrated representatives of quant...Physics Letters AjournalsSun, 16 Feb 2020 00:38:39 +0100767512557A first-principles study of gas molecule adsorption on hydrogen-substituted graphdiyne
https://medworm.com/767512556/a-first-principles-study-of-gas-molecule-adsorption-on-hydrogen-substituted-graphdiyne/
Publication date: Available online 14 February 2020Source: Physics Letters AAuthor(s): Mingxia Song, Yuhong Chen, Xiaocong Liu, Wenhui Xu, Yingjie Zhao, Meiling Zhang, Cairong ZhangAbstractHydrogen-substituted graphdiyne (HsGDY) is a novel alkynyl carbon material with a structure similar to that of graphene. In this paper, the adsorption of four gas molecules (NO, NO2, NH3, and N2) on HsGDY and B-doped HsGDY (B-HsGDY) was studied using density functional theory. The results show that the adsorption of NO and NO2 on HsGDY and B-HsGDY is characterized by a larger charge transfer, stronger interaction, and higher adsorption energy compared with that of NH3 and N2. Based on the doping with B atoms, the adsorption energies of the gas molecules on HsGDY significantly improve, especially that of ...Physics Letters AjournalsSun, 16 Feb 2020 00:38:39 +0100767512556Solving the Schrödinger equation by reduction to a first-order differential operator through a coherent states transform
https://medworm.com/767512555/solving-the-schrdinger-equation-by-reduction-to-a-first-order-differential-operator-through-a-cohe/
We describe all Hamiltonians which are geometrised (in the above sense) by Gaussian and Airy beams and write down explicit solutions for such systems. (Source: Physics Letters A)Physics Letters AjournalsSun, 16 Feb 2020 00:38:39 +0100767512555C72: A novel low energy and direct band gap carbon phase
https://medworm.com/767512554/c72-a-novel-low-energy-and-direct-band-gap-carbon-phase/
Publication date: Available online 14 February 2020Source: Physics Letters AAuthor(s): Jian-Li Ma, Dan-Li Song, Yi-Long Wu, Zhi-Fen Fu, Jian-Ping Zhou, Peng Liu, Xuan-min Zhu, Qun WeiAbstractA novel carbon phase C72 was predicted by using recently developed particle-swarm optimization method on crystal structural search. The structure, mechanical, and electronic properties of the predicted C72 were investigated by performing the first-principles calculations based on density functional theory in this work. The predicted new carbon structure contains 72 carbon atoms per unit cell and adopts an all sp2 hybridized bonding network. The C72 is energetically more favorable (higher than that of diamond only 0.16 eV/atom) than previously theoretical proposed carbon structures (e.g., Hex-C36, hcp-C...Physics Letters AjournalsSun, 16 Feb 2020 00:38:39 +0100767512554Revisiting finite-scale Navier–Stokes theory: Order-of-magnitude results, new critical values, and connections to Stokesian fluids
https://medworm.com/767210511/revisiting-finite-scale-navierstokes-theory-order-of-magnitude-results-new-critical-values-and/
Publication date: Available online 13 February 2020Source: Physics Letters AAuthor(s): P.M. Jordan, R.S. KeifferAbstractWe return to Ref. [7] and present, as well as note the implications stemming from, a rigorous order-of-magnitude-based derivation of the governing system considered therein. The system in question models the ‘piston problem’ for the case of a viscous, but thermally non-conducting, gas with constant transport coefficients under the generalization of the Navier–Stokes (NS) equations known as the finite-scale Navier–Stokes (FSNS) equations. Our analysis also provides a rigorous derivation of the FSNS system considered in Ref. [12], highlights links between FSNS theory and Stokesian fluids, and examines the possible applicability of generalizations of the perfect gas ...Physics Letters AjournalsFri, 14 Feb 2020 20:12:24 +0100767210511Scaling properties of the growing monolayer on the disordered substrate
https://medworm.com/767210510/scaling-properties-of-the-growing-monolayer-on-the-disordered-substrate/
This study provides an insight into details of self-organization of adatoms on the high-entropy alloys in adsorptive systems. (Source: Physics Letters A)Physics Letters AjournalsFri, 14 Feb 2020 20:12:24 +0100767210510Popescu-Rohrlich box implementation in general probabilistic theory of processes
https://medworm.com/767210509/popescu-rohrlich-box-implementation-in-general-probabilistic-theory-of-processes/
Publication date: Available online 13 February 2020Source: Physics Letters AAuthor(s): Martin Plávala, Mário ZimanAbstractIt is shown that Popescu-Rohrlich nonlocal boxes (beating the Tsirelson bound for Bell inequality) do exist in the existing structures of both quantum and classical theory. In particular, we design an explicit example of measure-and-prepare nonlocal (but no-signaling) channel being the realization of nonlocal and no-signaling Popescu-Rohrlich box within the generalized probabilistic theory of processes. Further we present a post-selection-based spatially non-local implementation and show it does not require truly quantum resources, hence, improving the previously known results. Interpretation and potential (spatially non-local) simulation of this form of process nonlo...Physics Letters AjournalsFri, 14 Feb 2020 20:12:24 +0100767210509Passivated B-O, B-S codoping to improve the photocatalytic efficiency in C2N monolayer: First-principles study
https://medworm.com/767210508/passivated-b-o-b-s-codoping-to-improve-the-photocatalytic-efficiency-in-c2n-monolayer-first-princi/
Publication date: Available online 13 February 2020Source: Physics Letters AAuthor(s): Ying Zhou, Ying Xu, Ling-Xi WuAbstractIn this paper, we explored systematically the effects of non-metal elements (B, O, and S) monodoping and passivated codoping of B-S and B-O in C2N monolayer. The band structure, band edge position and charge density distribution of doped-C2N are investigated. Our results show that the monodoping of B, O, S introduce flat impurity bands around the Fermi level. The passivated codoping of B-O or B-S can effectively decrease the bandgap, and the band edge position is more favorable for water splitting compared with that of C2N monolayer. A large dispersion of conduction and valance band can be observed for B-S or B-O codoping, which is beneficial for the carriers' mobili...Physics Letters AjournalsFri, 14 Feb 2020 20:12:24 +0100767210508AC conductivity behaviour and charge carrier concentrations of some vanadate glassy system
https://medworm.com/767210507/ac-conductivity-behaviour-and-charge-carrier-concentrations-of-some-vanadate-glassy-system/
Publication date: Available online 13 February 2020Source: Physics Letters AAuthor(s): Sanjib BhattacharyaAbstractThe investigation of wide range of temperature and frequency dependent conductivity of some semiconducting glassy system reveals DC conductivity, crossover frequency and frequency exponent. The composition dependence of AC conduction activation energy and the permissible energy of polaron migration have also been computed. The Nernst-Einstein relation proves that the concentration of mobile charge carriers does not undertake a substantial part in electrical conduction. (Source: Physics Letters A)Physics Letters AjournalsFri, 14 Feb 2020 20:12:24 +0100767210507RKKY interaction in three-dimensional tilted Dirac and Weyl semimetals
https://medworm.com/767210506/rkky-interaction-in-three-dimensional-tilted-dirac-and-weyl-semimetals/
Publication date: Available online 13 February 2020Source: Physics Letters AAuthor(s): Guo-Dong Wang, An-Min WangAbstractWe theoretically investigate the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between two magnetic impurities of the tilted Dirac and Weyl semimetals in three dimensions. In accordance with the untilted scenario, the RKKY interaction contains three terms, namely the Heisenberg term, the Ising term, and the Dzyaloshinsky-Moriya term. The main influence of tilt on the RKKY Hamiltonian is a modulation to the oscillation frequencies of range functions. Our results enrich the knowledge of the magnetic properties of materials with tilted Dirac cones and may see an important application in spintronics. (Source: Physics Letters A)Physics Letters AjournalsFri, 14 Feb 2020 20:12:24 +0100767210506Effect of local rewiring in adaptive epidemic networks
https://medworm.com/766756710/effect-of-local-rewiring-in-adaptive-epidemic-networks/
Publication date: Available online 11 February 2020Source: Physics Letters AAuthor(s): Suwakan Piankoranee, Surachate LimkumnerdAbstractWe investigate the dynamics of a susceptible-infected-susceptible (SIS) epidemic model on adaptive (co-evolutionary) networks. In most of these models, the rewiring mechanism is based on information known globally. Here, we propose local rewiring where rewiring decision is based on local information around a given node. Our results show that there are phase overlaps between local and global rewirings. The results suggest that under a certain circumstance, even with limited local information, outcomes from both rewirings are statistically similar. Furthermore, we found that the epidemic threshold does not depend on the amount of information. This could be u...Physics Letters AjournalsThu, 13 Feb 2020 01:39:26 +0100766756710Determining the divergence of an ultra-relativistic electron beam from the diffracted transition radiation in a single-crystal target
https://medworm.com/766456161/determining-the-divergence-of-an-ultra-relativistic-electron-beam-from-the-diffracted-transition-rad/
Publication date: Available online 10 February 2020Source: Physics Letters AAuthor(s): S.V. Blazhevich, M.V. Bronnikova, A.V. NoskovAbstractWe have studied the possibilities of using diffracted transition radiation excited by a relativistic electron beam in a single-crystal target to determine the beam divergence. For this purpose, we investigated the expressions we had previously derived that describe the angular density of diffracted transition radiation excited by a relativistic electron beam crossing a thin single-crystal plate. In our calculations, we used the two-parameter model distribution function to represent the angular distribution of ultra-relativistic electrons in the beam. For determining the beam divergence parameters, the methods of two-dimensional objective function minim...Physics Letters AjournalsTue, 11 Feb 2020 20:12:10 +0100766456161Orbital dynamics in the photogravitational restricted four-body problem: Lagrange configuration
https://medworm.com/766456160/orbital-dynamics-in-the-photogravitational-restricted-four-body-problem-lagrange-configuration/
Publication date: Available online 10 February 2020Source: Physics Letters AAuthor(s): J.E. Osorio-Vargas, F.L. Dubeibe, Guillermo A. GonzálezAbstractWe study the effect of the radiation parameter in the location, stability and orbital dynamics in the Lagrange configuration of the restricted four-body problem when one of the primaries is a radiating body. The equations of motion for the test particle are derived by assuming that the primaries revolve in the same plane with uniform angular velocity, lying at the vertices of an equilateral triangle. The insertion of the radiation factor in the restricted four-body problem, let us model the dynamics of a test particle orbiting an astrophysical system with an active star. The dynamical mechanisms responsible for the smoothening on the basin s...Physics Letters AjournalsTue, 11 Feb 2020 20:12:10 +0100766456160A perspective on multiparameter quantum metrology: From theoretical tools to applications in quantum imaging
https://medworm.com/765396789/a-perspective-on-multiparameter-quantum-metrology-from-theoretical-tools-to-applications-in-quantum/
Publication date: Available online 6 February 2020Source: Physics Letters AAuthor(s): F. Albarelli, M. Barbieri, M.G. Genoni, I. GiananiAbstractThe interest in a system often resides in the interplay among different parameters governing its evolution. It is thus often required to access many of them at once for a complete description. Assessing how quantum enhancement in such multiparameter estimation can be achieved depends on understanding the many subtleties that come into play: establishing solid foundations is key to delivering future technology for this task. In this article we discuss the state of the art of quantum multiparameter estimation, with a particular emphasis on its theoretical tools, on application to imaging problems, and on the possible avenues towards the next developm...Physics Letters AjournalsFri, 07 Feb 2020 16:11:53 +0100765396789Joule-Thomson temperature of a triplon system of dimerized quantum magnets
https://medworm.com/765396788/joule-thomson-temperature-of-a-triplon-system-of-dimerized-quantum-magnets/
Publication date: Available online 6 February 2020Source: Physics Letters AAuthor(s): Abdulla Rakhimov, Mukhtorali Nishonov, Bilal TanatarAbstractIt is well known that, for a system of atomic (molecular) gases both kinds of processes, isentropic as well as isenthalpic are realizable and widely used in refrigeration technique. Particularly, magnetic refrigeration exploits always isentropic process, characterized by Grüneisen parameter ΓH=(∂T/∂H)S/T. We propose that, for quantum magnets an isenthalpic (Joule-Thomson) process, characterized by Joule-Thomson coefficient κT=(∂T/∂H)W may be also available. We considered this effect for a simple paramagnetic and dimerized spin – gapped quantum magnets at low temperatures. We have shown that for both kind of materials refrigeration by...Physics Letters AjournalsFri, 07 Feb 2020 16:11:53 +0100765396788Alice and Bob in an anisotropic expanding spacetime
https://medworm.com/765396787/alice-and-bob-in-an-anisotropic-expanding-spacetime/
Publication date: Available online 6 February 2020Source: Physics Letters AAuthor(s): Helder A.S. Costa, Paulo R.S. CarvalhoAbstractWe investigate a quantum teleportation process between two comoving observers Alice and Bob in an anisotropic expanding spacetime. In this model, we calculate the fidelity of teleportation and we noted an oscillation of its spectrum as a function of the azimuthal angle. We found that for the polar angle ϕ=π2 and the azimuthal angle θ≠3π4+nπ with n=0,1,2,... the efficiency of the process decreases, i.e., the fidelity is less than one. In addition, it is shown that the anisotropic effects on the fidelity becomes more significative in the regime of smooth expansion and the limit of massless particles. On the other hand, the influence of curvature coupling ...Physics Letters AjournalsFri, 07 Feb 2020 16:11:53 +0100765396787Editors
https://medworm.com/765396770/editors/
Publication date: 30 March 2020Source: Physics Letters A, Volume 384, Issue 9Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 07 Feb 2020 16:11:53 +0100765396770Quantum speed limit for a three-qubit system in spin-chain environment with multisite interaction
https://medworm.com/765244524/quantum-speed-limit-for-a-three-qubit-system-in-spin-chain-environment-with-multisite-interaction/
Publication date: Available online 5 February 2020Source: Physics Letters AAuthor(s): Shaoying Yin, Jie Song, Shutian LiuAbstractWe study the relationship between the quantum speed limit (QSL) time of a three-qubit system, and the quantum phase transitions (QPTs) of a spin-chain environment with the three-spin interaction. We find that the three-spin interaction can effectively manipulate the critical value of the QSL time. It makes the QSL time mark more clearly the quantum phase transition of the one-dimensional spin-chain models, especially the XX model. The dynamical evolution of the QSL time presents a periodic behavior in quantum-critical environment, whereas the three-spin interaction and external magnetic field can destroy this periodicity. (Source: Physics Letters A)Physics Letters AjournalsFri, 07 Feb 2020 01:39:13 +0100765244524Dirac particle with memory: Proper time non-locality
https://medworm.com/765244523/dirac-particle-with-memory-proper-time-non-locality/
Publication date: Available online 5 February 2020Source: Physics Letters AAuthor(s): Vasily E. TarasovAbstractA generalization of the standard model of Dirac particle in external electromagnetic field is proposed. In the generalization we take into account interactions of this particle with environment, which is described by the memory function. This function takes into account that the behavior of the particle at proper time can depend not only at the present time, but also on the history of changes on finite time interval. In this case the Dirac particle can be considered an open quantum system with non-Markovian dynamics. The violation of the semigroup property of dynamic maps is a characteristic property of dynamics with memory. We use the Fock-Schwinger proper time method and derivat...Physics Letters AjournalsFri, 07 Feb 2020 01:39:13 +0100765244523Multipartite entanglement transfer in spin chains
https://medworm.com/765244522/multipartite-entanglement-transfer-in-spin-chains/
Publication date: Available online 5 February 2020Source: Physics Letters AAuthor(s): Tony J.G. Apollaro, Claudio Sanavio, Wayne Jordan Chetcuti, Salvatore LorenzoAbstractWe investigate the transfer of genuine multipartite entanglement across a spin-12 chain with nearest-neighbour XX-type interaction. We focus on the perturbative regime, where a block of spins is weakly coupled at each edge of a quantum wire, embodying the role of a multiqubit sender and receiver, respectively. We find that high-quality multipartite entanglement transfer is achieved at the same time that three excitations are transferred to the opposite edge of the chain. Moreover, we find that both a finite concurrence and tripartite negativity is attained at much shorter time, making GHZ-distillation protocols feasible. ...Physics Letters AjournalsFri, 07 Feb 2020 01:39:13 +0100765244522Disentangling stochastic signals superposed on short localized oscillations
https://medworm.com/765244521/disentangling-stochastic-signals-superposed-on-short-localized-oscillations/
Publication date: Available online 5 February 2020Source: Physics Letters AAuthor(s): Gerrit Kampers, Matthias Wächter, Michael Hölling, Pedro G. Lind, Sílvio M.D. Queirós, Joachim PeinkeAbstractWe introduce a procedure for separating periodic oscillations superposed on a stochastic signal. The procedure combines empirical mode decomposition (EMD) of a signal with tools of data analysis based on stochastic differential equations, namely nonlinear Langevin equations. Taking the set of modes retrieved from the EMD of the signal, our procedure is able to separate them into two groups, one composing the periodic signal and another composing the stochastic signal. The framework is robust for a broad family of localized oscillations, in the range of large frequencies. In particular, we show ...Physics Letters AjournalsFri, 07 Feb 2020 01:39:13 +0100765244521Painlevé analysis for Boiti–Leon–Manna–Pempinelli equation of higher dimensions with time-dependent coefficients: Multiple soliton solutions
https://medworm.com/765244520/painlev-analysis-for-boitileonmannapempinelli-equation-of-higher-dimensions-with-time-dep/
Publication date: Available online 5 February 2020Source: Physics Letters AAuthor(s): Abdul-Majid WazwazAbstractIn this paper a (3+1)-dimensional Boiti–Leon–Manna–Pempinelli (BLMP) equation, with time-dependent coefficients, is investigated. The integrability of this equation is performed by using the Painlevé test. We derive multiple soliton solutions and multiple complex soliton solutions via using on Hirota's direct method and symbolic computation. The obtained results enlarge the category of integrable equations with time-dependent coefficients. (Source: Physics Letters A)Physics Letters AjournalsFri, 07 Feb 2020 01:39:13 +0100765244520Generalized treatment of skew-cosh-Gaussian lasers for bifocal terahertz radiation
https://medworm.com/764941162/generalized-treatment-of-skew-cosh-gaussian-lasers-for-bifocal-terahertz-radiation/
Publication date: Available online 5 February 2020Source: Physics Letters AAuthor(s): Hitendra K. MalikAbstractA generalized treatment of skew-cosh-Gaussian lasers with skewness parameters n and s is provided for obtaining bifocal terahertz radiation in a realistic plasma having electron-neutral collisions. In order to find and control the focusing of the radiation, a relation is established between the position of the peak of the radiation field and the parameters n and s. The significant role of these parameters in getting bifocal radiation or its conversion to unifocal radiation (or vice-versa) with a proposal for enhanced efficiency of the scheme is discussed in detail for its medical applications. (Source: Physics Letters A)Physics Letters AjournalsWed, 05 Feb 2020 20:41:28 +0100764941162Preferences in quantum games
https://medworm.com/763729795/preferences-in-quantum-games/
Publication date: Available online 30 January 2020Source: Physics Letters AAuthor(s): Simon Phoenix, Faisal Khan, Berihu TekluAbstractA quantum game can be viewed as a state preparation in which the final output state results from the competing preferences of the players over the set of possible output states that can be produced. It is therefore possible to view state preparation in general as being the output of some appropriately chosen (notional) quantum game. This reverse engineering approach in which we seek to construct a suitable notional game that produces some desired output state as its equilibrium state may lead to different methodologies and insights. With this goal in mind we examine the notion of preference in quantum games since if we are interested in the production of a p...Physics Letters AjournalsSat, 01 Feb 2020 01:11:34 +0100763729795Robust prediction of complex spatiotemporal states through machine learning with sparse sensing
https://medworm.com/763729794/robust-prediction-of-complex-spatiotemporal-states-through-machine-learning-with-sparse-sensing/
Publication date: Available online 30 January 2020Source: Physics Letters AAuthor(s): G.D. Barmparis, G. Neofotistos, M. Mattheakis, J. Hizanidis, G.P. Tsironis, E. KaxirasAbstractComplex spatiotemporal states arise frequently in material as well as biological systems consisting of multiple interacting units. A specific, but rather ubiquitous and interesting example is that of “chimeras”, existing in the edge between order and chaos. We use Machine Learning methods involving “observers” to predict the evolution of a system of coupled lasers, comprising turbulent chimera states and of a less chaotic biological one, of modular neuronal networks containing states that are synchronized across the networks. We demonstrated the necessity of using “observers” to improve the performanc...Physics Letters AjournalsSat, 01 Feb 2020 01:11:34 +0100763729794Comparison of higher-order level spacing ratios signatures localization-delocalization transitions in one-dimensional single-electron lattice systems
https://medworm.com/763729793/comparison-of-higher-order-level-spacing-ratios-signatures-localization-delocalization-transitions-i/
Publication date: Available online 30 January 2020Source: Physics Letters AAuthor(s): Longyan Gong, Kaixin MaAbstractHow to distinguish localized and delocalized states is a challenging and important problem in the theory of Anderson localization. For this reason, we explore energy-resolved average relative level spacing ratios 〈R(k)〉 for a single electron in the one-dimensional uniform potential model, Anderson model, Aubry-André-Harper model and slowly varying potential model, respectively. The orders k=1,2 and 3 are considered. Numerical results show that 〈R(1)〉<〈R(2)〉<〈R(3)〉 for delocalized states, while 〈R(1)〉 is maximal for localized states. Therefore, level spacing ratios can be used as a fruitful index to monitor localization-delocalization transitions....Physics Letters AjournalsSat, 01 Feb 2020 01:11:34 +0100763729793Quantum walk transport on carbon nanotube structures
https://medworm.com/763729792/quantum-walk-transport-on-carbon-nanotube-structures/
Publication date: Available online 31 January 2020Source: Physics Letters AAuthor(s): J. Mareš, J. Novotný, I. JexAbstractWe study source-to-sink excitation transport on carbon nanotubes using the concept of quantum walks. In particular, we focus on transport properties of Grover coined quantum walks on ideal and percolation perturbed nanotubes with zig-zag and armchair chiralities. Using analytic and numerical methods we identify how geometric properties of nanotubes and different types of a sink altogether control the structure of trapped states and, as a result, the overall source-to-sink transport efficiency. It is shown that chirality of nanotubes splits behavior of the transport efficiency into a few typically well separated quantitative branches. Based on that we uncover interesti...Physics Letters AjournalsSat, 01 Feb 2020 01:11:34 +0100763729792Relativity of quantum states in entanglement swapping
https://medworm.com/763729791/relativity-of-quantum-states-in-entanglement-swapping/
Publication date: Available online 31 January 2020Source: Physics Letters AAuthor(s): Chris Nagele, Ebubechukwu O. Ilo-Okeke, Peter P. Rohde, Jonathan P. Dowling, Tim ByrnesAbstractThe entanglement swapping protocol is analyzed in a relativistic setting, where shortly after the entanglement swapping is performed, a Bell test is performed. For an observer in the laboratory frame, a Bell violation is observed between the qubits with the swapped entanglement. In a moving frame, the order of the measurements is reversed, and a Bell violation is observed even though the particles are not entangled, directly or indirectly, or at any point in time. Although the measurement results are identical, the wavefunctions for the two frames are starkly different — one is entangled and the other is not. ...Physics Letters AjournalsSat, 01 Feb 2020 01:11:34 +0100763729791Defect induced room temperature ferromagnetism in methylammonium lead iodide perovskite
https://medworm.com/763123965/defect-induced-room-temperature-ferromagnetism-in-methylammonium-lead-iodide-perovskite/
Publication date: Available online 28 January 2020Source: Physics Letters AAuthor(s): Sayantan Sil, Homnath Luitel, Joydeep Dhar, Mahuya Chakrabarti, Partha Pratim Ray, Bilwadal Bandyopadhyay, Dirtha SanyalAbstractThe meteoric rise in the photovoltaic performance of organic-inorganic hybrid perovskite is a conspicuous reflection of its defect tolerance nature. The presence of lattice defect in organo lead halide perovskite can manipulate or even gives rise to some exceptional properties which otherwise would have remained unseen. One of such properties reported in this article is the experimental observation of defect mediated room temperature ferromagnetism in methylammonium lead halide perovskite for the very first time, ably supported by ab-initio calculations. Theoretical analysis pred...Physics Letters AjournalsWed, 29 Jan 2020 16:15:27 +0100763123965Robustness of interferometric complementarity under decoherence
https://medworm.com/763123964/robustness-of-interferometric-complementarity-under-decoherence/
We report that by suitably choosing the initial quanton and the detector states along with the proper interactions between the quanton and the detectors, one can reduce the influence of noisy environment on complementarity, thereby pushing it towards saturation. To demonstrate this, three kinds of noise on detectors and their roles on the saturation of the complementarity relation are extensively studied. We also observe that for fixed values of parameters involved in the process, asymmetric quanton state posses low value of coherence while it can have a higher amount of distinguishability, and hence it has the potential to enhance the duality relation. (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jan 2020 16:15:27 +0100763123964Many-body work distributions
https://medworm.com/763123963/many-body-work-distributions/
Publication date: Available online 28 January 2020Source: Physics Letters AAuthor(s): Fardin KheirandishAbstractThe work distribution function for a non-relativistic, non-interacting quantum many-body system interacting with classical external sources is investigated. Exact expressions for the characteristic function corresponding to the work distribution function is obtained for arbitrary switching function and coupling functions. The many-body frequencies are assumed to be generally time-dependent in order to take into account the possibility of moving the boundaries of the system in a predefined process linking the characteristic function to the fluctuation-induced energies in confined geometries. Some limiting cases are considered and discussed. (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jan 2020 16:15:27 +0100763123963Editors
https://medworm.com/763123945/editors/
Publication date: 20 March 2020Source: Physics Letters A, Volume 384, Issue 8Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 29 Jan 2020 16:15:27 +0100763123945Creation and control of quasi-two dimensional electron gas at yttrium aluminum oxides/strontium titanate heterointerfaces by spin coating
https://medworm.com/762975166/creation-and-control-of-quasi-two-dimensional-electron-gas-at-yttrium-aluminum-oxidesstrontium-tita/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): Ming Li, Zhaoting Zhang, Hong Yan, Lixia Ren, Jia Zhao, Shuanhu Wang, Kexin JinAbstractDespite of extensive researches about oxide heterointerfaces, preparing method and intrinsic mechanism are all challenging topics. Here, we generate a series of stable quasi two dimensional electron gases (q-2DEGs) at yttrium aluminum oxides/strontium titanate (YAO/STO) heterointerfaces by the spin coating for the first time. It is found that the thickness and the stoichiometry ratio are the key factors for the creation of q-2DEG, which is formed under the premise of thickness (about 81.1 ∼ 356.4 nm) and the rich-Al (Al:Y≥1:1). The underlying mechanism can be attributed to oxygen vacancies derived from the redox rea...Physics Letters AjournalsWed, 29 Jan 2020 02:06:06 +0100762975166Mean field theory for the quantum Rabi model, inconsistency to the rotating wave approximation
https://medworm.com/762975162/mean-field-theory-for-the-quantum-rabi-model-inconsistency-to-the-rotating-wave-approximation/
Publication date: Available online 27 January 2020Source: Physics Letters AAuthor(s): Ghasem Asadi Cordshooli, Mehdi MirzaeeAbstractTime evolution of pertinent operators in the Rabi Hamiltonian and its rotating wave approximation (RWA) version, the Jaynes-Cummings model (JCM), in the Heisenberg picture, gives systems of nonlinear differential equations (NDEs). Considering well localized atom, the mean field theory (MFT) was applied to replace the operators by equivalent expectation values. The Rabi model was reduced to a fourth orders NDE describing atoms position. Solution by the harmonic balance method (HBM) showed good accuracy and consistency to the numerical results, which introduces it as a useful tool in the quantum dynamics studies. The NDEs describing the JCM in the Heisenberg pic...Physics Letters AjournalsWed, 29 Jan 2020 02:06:06 +0100762975162Conditions of application of LiNbO3 based piezoelectric resonators at high temperatures
https://medworm.com/762975161/conditions-of-application-of-linbo3-based-piezoelectric-resonators-at-high-temperatures/
Publication date: Available online 27 January 2020Source: Physics Letters AAuthor(s): M.N. Palatnikov, V.A. Sandler, N.V. Sidorov, O.V. Makarova, D.V. ManukovskayaAbstractWe have researched piezoelectric, dielectric properties and ion conductivity in near-stoichiometric LiNbO3 crystals (NSLN) in order to establish conditions for application of LiNbO3 based piezoelectric resonators in the high-temperature region (∼300–850 K) which implies high conductivity. NSLN crystals have been grown from a congruent melt (R=Li/Nb≈0.946) with 5.5 wt% K2O flux. We have revealed that piezoelectric resonance in NSLN crystals appears in a certain temperature range ΔT and resonance frequencies ΔωR provided that τV−1≪ωR. The temperature range ΔT corresponds to certain values of conductivity (Δ...Physics Letters AjournalsWed, 29 Jan 2020 02:06:06 +0100762975161Polarization and angle insensitive ultra-broadband mid-infrared perfect absorber
https://medworm.com/762975160/polarization-and-angle-insensitive-ultra-broadband-mid-infrared-perfect-absorber/
Publication date: Available online 27 January 2020Source: Physics Letters AAuthor(s): Biao Wu, Zhengqi Liu, Guozhen Du, Qiqi Chen, Xiaoshan Liu, Guolan Fu, Guiqiang LiuAbstractA new polarization and angle insensitive ultra-broadband perfect absorber (UPA) was proposed and demonstrated based on an alumina-chromium-alumina-chromium four-layer structure. The absorption bandwidth reached 3059 nm in the infrared range (from 939 nm to 3998 nm) with a spectral absorptivity greater than 90%. The average absorption was up to 94.0% in a range of 800 nm to 4200 nm. The physical mechanisms and influence of different structural configurations on the absorption performance of the UPA were analyzed in detail. When the oblique incidence angle was up to 60°, the average absorption rates of the TE and TM m...Physics Letters AjournalsWed, 29 Jan 2020 02:06:06 +0100762975160Noise sensing via stochastic quantum Zeno
https://medworm.com/761904423/noise-sensing-via-stochastic-quantum-zeno/
We present a robust sensing method to reconstruct the unknown noise power spectral density by evaluating the survival probability that we obtain when we additionally apply a set of coherent control pulses to the probe. The joint effect of coherent control, protective measurements and noise field on the decay provides us the desired information on the noise field. (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jan 2020 21:11:33 +0100761904423Effect of annealing temperature in the emission properties of nanocrystalline CaZr0.9SmxDy0.1−xO3 systems prepared via self-propagating combustion synthesis
https://medworm.com/761751878/effect-of-annealing-temperature-in-the-emission-properties-of-nanocrystalline-cazr09smxdy01xo3-/
This study investigates the photoluminescent properties of Samarium and Dysprosium co-doped nanocrystalline CaZrO3 perovskites that were prepared through self-propagating combustion synthesis. The prepared nanopowders were characterized using X-ray diffraction, Fourier Transform Infrared spectroscopy, Transmission Electron Microscopy, UV-Visible spectroscopy and photoluminescence spectroscopy. The orthorhombic (Pnma) perovskite structure of the prepared samples were confirmed using X-ray diffraction studies and the particle size of the samples were calculated to be in the range of 20-30 nm using transmission electron microscopic studies. The nanocrystalline Sm3+/Dy3+ doped CaZrO3 samples were annealed at 600°C, 800 °C, 1000 °C, 1200 °C, 1250 °C and 1400 °C for 2 hours and the effect ...Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751878Are transition-metal borides promising for Na ion batteries? A first-principles study on transition-metal boride monolayer
https://medworm.com/761751876/are-transition-metal-borides-promising-for-na-ion-batteries-a-first-principles-study-on-transition-/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): Zhen Ma, Fengsheng Sun, Min Dou, Qingnian Yao, Yunfei Liu, Fang WuAbstractAlthough two-dimensional (2D) materials have been proposed as the promising candidates for Na ion batteries (NIBs), electrode materials with high specific capacity and moderate diffusion energy barriers are still scare. Here, we firstly demonstrated that transition-metal borides (TMB) are much more promising electrode materials than other transition metal compounds. Density functional theory (DFT) calculations are performed to investigate the electronic properties and Na storage capability of TMB monolayer, which is realized in recent experiments. TMB monolayer forms strong chemical interaction with Na atoms, and the diffusion energ...Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751876Effect of Mn doping defect on 180° domain wall in ferroelectric PbTiO3
https://medworm.com/761751875/effect-of-mn-doping-defect-on-180-domain-wall-in-ferroelectric-pbtio3/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): Hong Xin, Qing Pang, Dangli Gao, Long Li, Wen Chen, Aiping ZhangAbstractThe structures, energies, spontaneous polarized properties and charge densities of 180° domain walls with Mn doping at different lattice positions were investigated in ferroelectric PbTiO3 (PT) using the first-principles calculations. The results show that Mn ion prefers to enter the bulk region rather than the domain wall in terms of energy minimization whether it substitutes for an A-site Pb ion or a B-site Ti ion of PT. In addition the domain wall energy has a minimum value of 124.52 mJ/m2 when Mn ion substitutes for Pb ion in the bulk region. And the spontaneous polarization along z axis increasing and the charge density in the d...Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751875Topological insulating phase for anti-Hermitian Hamiltonians
https://medworm.com/761751874/topological-insulating-phase-for-anti-hermitian-hamiltonians/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): N. Mana, W. Koussa, M. Maamache, M. Tanisli, C. YuceAbstractWe study classification of anti-Hermitian topological insulators based on the discrete symmetries: time-reversal, particle-hole and chiral symmetries. Contrary to the most general form of non-Hermitian systems, bulk boundary correspondence can hold in anti-Hermitian topological systems. We map a topologically nontrivial Hermitian Hamiltonians into an anti-Hermitian system and we show that the standard table of topological insulators can be used. (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751874Native point defects in Bi2Se3: A first-principles study
https://medworm.com/761751873/native-point-defects-in-bi2se3-a-first-principles-study/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): Shuangxi Wang, Ping ZhangAbstractThe naturally grown Bi2Se3 is always n-type doped by native point defects, although the p-type Bi2Se3 is much desirable as a promising thermoelectric material and topological insulator. We use first-principles calculations to identify the origin of the n-type tendency in bulk Bi2Se3: The Se vacancies (VSe1 and VSe2) and SeBi antisite dominate the donorlike doping with low formation energy, while the predisposed BiSe1 defect results in the pair of VSe1 and Bi interstitial, which is also a donor rather than an acceptor. For Bi2Se3(111) surface, by calculating the defect formation energy and surface charge density distribution, we find that the band structures modulated by th...Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751873Creation and control of quasi two dimensional electron gas at yttrium aluminum oxides/strontium titanate heterointerfaces by spin coating
https://medworm.com/761751872/creation-and-control-of-quasi-two-dimensional-electron-gas-at-yttrium-aluminum-oxidesstrontium-tita/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): Ming Li, Zhaoting Zhang, Hong Yan, Lixia Ren, Jia Zhao, Shuanhu Wang, Kexin JinAbstractDespite of extensive researches about oxide heterointerfaces, preparing method and intrinsic mechanism are all challenging topics. Here, we generate a series of stable quasi two dimensional electron gases (q-2DEGs) at yttrium aluminum oxides/strontium titanate (YAO/STO) heterointerfaces by the spin coating for the first time. It is found that the thickness and the stoichiometry ratio are the key factors for the creation of q-2DEG, which is formed under the premise of thickness (about 81.1 ∼ 356.4 nm) and the rich-Al (Al:Y≥1:1). The underlying mechanism can be attributed to oxygen vacancies derived from the redox rea...Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751872Canonical momentum, angular momentum, and helicity of circularly polarized Airy beams
https://medworm.com/761751871/canonical-momentum-angular-momentum-and-helicity-of-circularly-polarized-airy-beams/
This study may provide useful insights into the dynamical properties of Airy beams that may be important in several applications, including the optical control, micromanipulation, and information processing. (Source: Physics Letters A)Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751871van der Waals PtO2/MoS2 heterostructure verified from first principles
https://medworm.com/761751870/van-der-waals-pto2mos2-heterostructure-verified-from-first-principles/
Publication date: Available online 23 January 2020Source: Physics Letters AAuthor(s): Junlin Li, Sheng-Yi XieAbstractFirst-principles calculations are used to study the structure and optoelectronic properties of a van der Waals (vdW) heterostructure formed by transition metal dichalcogenide and dioxide monolayers, namely PtO2/MoS2. The calculations suggest that a two-dimensional PtO2 monolayer can be produced by exfoliation from the layered bulk α-PtO2 and may even survive at high temperature. The PtO2 monolayer is very closely matched with MoS2 to form the vdW heterostructure. With its valence-band maximum and conduction-band minimum separated in different layers, this PtO2/MoS2 heterostructure is proposed as a type-II heterostructure with strong adsorption of visible light. Consequently...Physics Letters AjournalsFri, 24 Jan 2020 07:03:03 +0100761751870Effect of habitat destruction on cooperation in public goods games
https://medworm.com/761447130/effect-of-habitat-destruction-on-cooperation-in-public-goods-games/
Publication date: Available online 21 January 2020Source: Physics Letters AAuthor(s): Xiqing Yang, Feng Zhang, Wanxiong Wang, Di Zhang Zhanhong Shi, Shengwei ZhouAbstractWe explore the evolution of cooperation in a public goods game where the habitat destruction is taken into account. A model of ordinary differential equations is proposed, in which incorporate the habitat destroyed. And we focus on the impact of different levels of habitat destruction on cooperation. Our results show that the fraction of cooperation receives the biggest boost for moderate habitat destruction, and decreases to zero very quickly for a higher degree of habitat destruction. Similarly, our results suggest that low or moderate habitat degradation can promote the evolution of cooperators, and once habitat degrada...Physics Letters AjournalsThu, 23 Jan 2020 01:14:52 +0100761447130A relativistic one dimensional band model with position dependent mass
https://medworm.com/761447129/a-relativistic-one-dimensional-band-model-with-position-dependent-mass/
Publication date: Available online 22 January 2020Source: Physics Letters AAuthor(s): M.L. GlasserAbstractIn this note a one-dimensional band model is proposed based on a periodic Dirac comb having a periodic mass distribution m(x) . The mass function is represented as a Hermitian, non-local separable operator. Two specific cases–a constant mass model and a sinusoidal mass model–are examined. The lowest electron and positron bands for the constant mass case are similar to those for the standard relativistic Kronig-Penney model, suggesting that non-locality has little influence. The results for the sinusoidal case are consistent with the expectation that at low wavenumber an electron “feels” it has an average constant mass, but at high wave number, the particle “sees” the period...Physics Letters AjournalsThu, 23 Jan 2020 01:14:52 +0100761447129Pressure of the fluctuating vacuum: Interpretation of the attractive and repulsive Casimir force
https://medworm.com/760386074/pressure-of-the-fluctuating-vacuum-interpretation-of-the-attractive-and-repulsive-casimir-force/
Publication date: Available online 17 January 2020Source: Physics Letters AAuthor(s): Negin Aghasi Kermani, Reza MatloobAbstractWe calculate the Casimir force between two magnetodielectric slabs. The force expression is expressed in terms of parameters with which the repulsive effect is more transparent and convenient for numerical analysis. Finally, we propose a physical interpretation of the effect which clarifies the sign of force properly. (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Jan 2020 22:08:27 +0100760386074Editors
https://medworm.com/760386058/editors/
Publication date: 9 March 2020Source: Physics Letters A, Volume 384, Issue 7Author(s): (Source: Physics Letters A)Physics Letters AjournalsSat, 18 Jan 2020 22:08:27 +0100760386058The Gibbs-Thomson effect in the evolution of particulate assemblages in a metastable liquid
https://medworm.com/759779700/the-gibbs-thomson-effect-in-the-evolution-of-particulate-assemblages-in-a-metastable-liquid/
Publication date: Available online 15 January 2020Source: Physics Letters AAuthor(s): D.V. Alexandrov, E.V. MakoveevaAbstractThe influence of the phase transition temperature shift on surfaces of spherical particles (the Gibbs-Thomson effect) evolving in a metastable liquid on the evolution of particulate assemblages is studied. The integro-differential model of kinetic and balance equations describing the phase transition process at the intermediate stage is analytically solved. It is shown that the temperature shift substantially influences the particle-size distribution function and the desupercooling/desupersaturation dynamics in a metastable liquid. Namely, the metastability degree reduces slowly and the distribution function is higher and shifted to smaller particle radii with allowa...Physics Letters AjournalsThu, 16 Jan 2020 12:39:37 +0100759779700Effects of channel alternating corrugation on a laser beam propagation in plasmas
https://medworm.com/759779699/effects-of-channel-alternating-corrugation-on-a-laser-beam-propagation-in-plasmas/
Publication date: Available online 15 January 2020Source: Physics Letters AAuthor(s): Rong-An Tang, Rui-Jin Cheng, Xue-Ren Hong, Tiao-Fang Liu, Xiao-Xun Li, Ji-Ming Gao, Peng Guo, Jian-Min Tian, Ju-Kui XueAbstractThe propagation of an intense laser beam in an alternating corrugated plasma channel, which has a wide region and a narrow region in one corrugated space period, is investigated. Compared with the usual corrugated plasma channel, it is found that there are many more resonance peaks and many more abundant beat-like wave phenomena for the laser beam in this extended channel. Moreover, the much narrower region in some special alternating corrugated channels can play the role like a plasma lens for some laser beams, i.e., it can obviously change the laser spot size from small (large) ...Physics Letters AjournalsThu, 16 Jan 2020 12:39:37 +0100759779699Solitons supported by competing nonlinearity, higher order dispersion and PT-symmetric potential
https://medworm.com/759779696/solitons-supported-by-competing-nonlinearity-higher-order-dispersion-and-pt-symmetric-potential/
Publication date: Available online 15 January 2020Source: Physics Letters AAuthor(s): Naresh Saha, Barnana RoyAbstractThe existence and stability properties of optical solitons in competing cubic-quintic nonlinearity, third order dispersion and parity-time symmetric potentials are investigated. The complex potentials are found as solutions of an inverse problem which predicts explicit expression of the complex potential supporting a required phase gradient structure. It has been found that interplay of competing nonlinearity, third order dispersion, spatial modulation of the refractive index and associated gain/loss profile can give rise to stable solitons in some parameter regimes. Also the solitons are stable even when the parity-time symmetry of underlying linear model is broken. Nonlin...Physics Letters AjournalsThu, 16 Jan 2020 12:39:37 +0100759779696PDM creation and annihilation operators of the harmonic oscillators and the emergence of an alternative PDM-Hamiltonian
https://medworm.com/759628246/pdm-creation-and-annihilation-operators-of-the-harmonic-oscillators-and-the-emergence-of-an-alternat/
Publication date: Available online 14 January 2020Source: Physics Letters AAuthor(s): Omar MustafaAbstractThe exact solvability and impressive pedagogical implementation of the harmonic oscillator's creation and annihilation operators make it a problem of great physical relevance and the most fundamental one in quantum mechanics. So would be the position-dependent mass (PDM) oscillator for the PDM quantum mechanics. We, hereby, construct the PDM creation and annihilation operators for the PDM oscillator via two different approaches. First, via von Roos PDM Hamiltonian and show that the commutation relation between the PDM creation Aˆ+ and annihilation Aˆ operators, [Aˆ,Aˆ+]=1⇔AˆAˆ+−1/2=Aˆ+Aˆ+1/2, not only offers a unique PDM-Hamiltonian Hˆ1 but also suggests a PDM-deformation ...Physics Letters AjournalsWed, 15 Jan 2020 22:13:24 +0100759628246Dual wavefunctions in two–dimensional quantum mechanics
https://medworm.com/759628245/dual-wavefunctions-in-twodimensional-quantum-mechanics/
Publication date: Available online 14 January 2020Source: Physics Letters AAuthor(s): Sergio A. Hojman, Felipe A. AsenjoAbstractIt is shown that the Schrödinger equation for a large family of pairs of two–dimensional quantum potentials possess wavefunctions for which the amplitude and the phase are interchangeable, producing two different solutions which are dual to each other. This is a property of solutions with vanishing Böhm potential. These solutions can be extended to three–dimensional systems. We explicitly calculate dual solutions for physical systems, such as the repulsive harmonic oscillator and the two–dimensional hydrogen atom. These dual wavefunctions are also solutions of an analogue optical system in the eikonal limit. In this case, the potential is related to the re...Physics Letters AjournalsWed, 15 Jan 2020 22:13:24 +0100759628245Excitations of nonlinear local waves described by the sinh-Gordon equation with a variable coefficient
https://medworm.com/759628244/excitations-of-nonlinear-local-waves-described-by-the-sinh-gordon-equation-with-a-variable-coefficie/
Publication date: Available online 14 January 2020Source: Physics Letters AAuthor(s): Wei-Ping Zhong, Wen Ye Zhong, Milivoj R. Belić, Zhengping YangAbstractWe explore novel excitations in the form of nonlinear local waves, which are described by the sinh-Gordon (SHG) equation with a variable coefficient. With the aid of the self-similarity transformation, we establish the relationship between solutions of the SHG equation with a variable coefficient and those of the standard SHG equation. Then, using the Hirota bilinear method, we obtain a more general bilinear form for the standard SHG equation and find new one- and two-soliton waves whose forms involve two arbitrary self-similarity functions. By an appropriate choice of the smooth self-similarity functions, we determine and display nove...Physics Letters AjournalsWed, 15 Jan 2020 22:13:24 +0100759628244Maximum-entropy states for magnetized ion transport
https://medworm.com/759628243/maximum-entropy-states-for-magnetized-ion-transport/
Publication date: Available online 15 January 2020Source: Physics Letters AAuthor(s): E.J. Kolmes, I.E. Ochs, M.E. Mlodik, N.J. FischAbstractFor a plasma with fixed total energy, number of particles, and momentum, the distribution function that maximizes entropy is a Boltzmann distribution. If, in addition, the rearrangement of charge is constrained, as happens on ion-ion collisional timescales for cross-field multiple-species transport, the maximum-entropy state is instead given by the classic impurity pinch relation. The maximum-entropy derivation, unlike previous approaches, does not rely on the details of the collision operator or the dynamics of the system, only on the presence of certain conservation properties. (Source: Physics Letters A)Physics Letters AjournalsWed, 15 Jan 2020 22:13:24 +0100759628243Digitally stimulated raman passage by deep reinforcement learning
https://medworm.com/759628242/digitally-stimulated-raman-passage-by-deep-reinforcement-learning/
Publication date: Available online 15 January 2020Source: Physics Letters AAuthor(s): Iris Paparelle, Lorenzo Moro, Enrico PratiAbstractPreparing an arbitrary preselected coherent superposition of quantum states finds widespread application in physics, including initialization of trapped ion and superconductor qubits in quantum computers. Both fractional and integer stimulated Raman adiabatic passage involve smooth Gaussian pulses, designed to grant adiabaticity, so to keep the system in an eigenstate constituted only of the initial and final states. We explore an alternative method for discovering appropriate pulse sequences based on deep reinforcement learning algorithms and by imposing that the control laser can be only either on or off instead of being continuously amplitude-modulated....Physics Letters AjournalsWed, 15 Jan 2020 22:13:24 +0100759628242Time-local optimal control for parameter estimation in the Gaussian regime
https://medworm.com/759628241/time-local-optimal-control-for-parameter-estimation-in-the-gaussian-regime/
In this study, we focus on a single bosonic mode subject to a Markovian, thermal master equation, and determine analytically the optimal time-local control of the QFI for its initial squeezing angle (optical phase) and strength. We show that a single initial control operation is already optimal for such cases and quantitatively investigate situations where the optimal control is applied after the open dynamical evolution has begun. (Source: Physics Letters A)Physics Letters AjournalsWed, 15 Jan 2020 22:13:24 +0100759628241Skyrmion size evolution with interlayer exchange coupled ferromagnetic nanostructures
https://medworm.com/759323425/skyrmion-size-evolution-with-interlayer-exchange-coupled-ferromagnetic-nanostructures/
Publication date: Available online 13 January 2020Source: Physics Letters AAuthor(s): Mouad Fattouhi, Moulay Youssef El Hafidi, Mohamed El HafidiAbstractSkyrmions are viewed as the basic elements for the future generation of magnetic memories. Their small sizes and good dynamical properties give them the ability to store and transport information easily. In this paper, we used micromagnetic simulation to study the contribution of interlayer exchange coupling and the geometrical confinement on scaling magnetic skyrmions. We started the work by comparing the utility of interlayer exchange coupling to the perpendicular magnetic field in scaling magnetic skyrmions. Then, we investigated the effect of combining the interlayer exchange coupling and geometrical confinement to reduce skyrmions siz...Physics Letters AjournalsTue, 14 Jan 2020 17:42:21 +0100759323425(2 + 1)-dimensional Boiti–Leon–Pempinelli equation – Domain walls, invariance properties and conservation laws
https://medworm.com/758562528/21-dimensional-boitileonpempinelli-equation-domain-walls-invariance-properties-a/
Publication date: Available online 9 January 2020Source: Physics Letters AAuthor(s): Gangwei Wang, Jose Vega-Guzman, Anjan Biswas, Abdullah Kamis Alzahrani, A.H. KaraAbstractWe analyze domain wall type solutions, symmetry/invariance properties and conservation laws of the (2+1)-dimensional Boiti–Leon–Pempinelli system which describes the evolution of the horizontal velocity component of water waves propagating in two directions. It turns out that the equation is extensive in these properties. Some domain wall properties are also investigated. (Source: Physics Letters A)Physics Letters AjournalsSat, 11 Jan 2020 18:35:35 +0100758562528Interplay of local resonances and Bragg band gaps in acoustic waveguides with periodic detuned resonators
https://medworm.com/758562524/interplay-of-local-resonances-and-bragg-band-gaps-in-acoustic-waveguides-with-periodic-detuned-reson/
Publication date: Available online 10 January 2020Source: Physics Letters AAuthor(s): Jiajia Guo, Jianzhi Cao, Yong Xiao, Huijie Shen, Jihong WenAbstractThis letter is concerned with acoustic wave propagation and transmission in acoustic waveguides with periodically grafted detuned Helmholtz resonators. The interplay of local resonances and Bragg band gaps in such periodic systems is examined. It is shown that, when the resonant frequencies of the resonators are tuned close to a Bragg band gap, the behavior of the Bragg band gap can be affected dramatically. Particularly, by introducing appropriately tuned resonators, the bandwidth of a Bragg band gap can be reduced to zero, leading to a very narrow pass band with great wave attenuation performance near both band edges. The band formation ...Physics Letters AjournalsSat, 11 Jan 2020 18:35:35 +0100758562524Periodic and localized structures in a degenerate Thomas-Fermi plasma
https://medworm.com/758562523/periodic-and-localized-structures-in-a-degenerate-thomas-fermi-plasma/
Publication date: Available online 10 January 2020Source: Physics Letters AAuthor(s): Ata ur Rahman, Muhammad Khalid, S.N. Naeem, E.A. Elghmaz, S.A. El-Tantawy, L.S. El-SherifAbstractThe propagation of electrostatic ion-acoustic cnoidal waves (IACWs) and solitons in a degenerated electron-positron-ion plasma with cold inertial ions and Thomas Fermi distributed electrons and positrons is investigated. Adopting a reductive perturbation technique (RPT), the Korteweg-de Vries (KdV) equation is obtained and its cnoidal waves (CWs) solution is analyzed. The plasma configuration parameters (namely, the positron concentration and the Fermi temperature ratio of electron-to-positron) are shown to affect remarkably the dynamical characteristics of IACWs and solitons. The relevance of the present work...Physics Letters AjournalsSat, 11 Jan 2020 18:35:35 +0100758562523Spin effects on the ponderomotive force of EM pulse in magnetized plasmas
https://medworm.com/758562522/spin-effects-on-the-ponderomotive-force-of-em-pulse-in-magnetized-plasmas/
Publication date: Available online 11 January 2020Source: Physics Letters AAuthor(s): Qiang-Lin Hu, Xiao-Bing Luo, Gui-Lan Xiao, Shen-Lin ZhouAbstractAn analytic method for analyzing the spin effects of electromagnetic (EM) wave propagating in magnetized plasma along arbitrary direction is proposed. Using this method, the spin perturbation and spin contribution to the ponderomotive force for EM wave propagating perpendicular as well as parallel to the external magnetic field are analyzed. In the case of the EM wave propagating parallel to the external magnetic field, our results are consistent with the results of Ref. [PRL 105, 105004(2010)]. In the case of the EM wave propagating perpendicular to the external magnetic field, results show that only Ez component of the EM field contributes ...Physics Letters AjournalsSat, 11 Jan 2020 18:35:35 +0100758562522(2 + 1)-dimensional Boiti–Leon–Pempinelli equation-Domain walls, invariance properties and conservation laws
https://medworm.com/758410533/21-dimensional-boitileonpempinelli-equation-domain-walls-invariance-properties-and-c/
Publication date: Available online 9 January 2020Source: Physics Letters AAuthor(s): Gangwei Wang, Jose Vega–Guzman, Anjan Biswas, Abdullah Kamis Alzahrani, A.H. KaraAbstractWe analyze domain wall type solutions, symmetry/invariance properties and conservation laws of the (2+1)-dimensional Boiti–Leon–Pempinelli system which describes the evolution of the horizontal velocity component of water waves propagating in two directions. It turns out that the equation is extensive in these properties. Some domain wall properties are also investigated. (Source: Physics Letters A)Physics Letters AjournalsSat, 11 Jan 2020 04:38:33 +0100758410533Duality between the SU(2) lattice gauge model and bosonic t − J model
https://medworm.com/758410532/duality-between-the-su2-lattice-gauge-model-and-bosonic-tj-model/
Publication date: Available online 9 January 2020Source: Physics Letters AAuthor(s): Fei-Jie Huang, Yifen Zhao, Qi-Hui Chen, Yong-Ping FuAbstractWe investigate the duality between the SU(2) lattice gauge model and the bosonic t−J model. We construct the relations between the gauge field operators and particle operators, and map the low-energy regime of the SU(2) lattice gauge model to a U(1) bosonic t−J model coupled with a U(1) gauge field. The mapped model can be interpreted as a bosonic t−J model with particle-hole symmetry, or a mean-field form of the bosonic t−J model with the coexistence of a two-particle pairing and four particle-pairing. The duality between the lattice gauge model and the bosonic t−J model provides a direct connection between gauge theory and strongly cor...Physics Letters AjournalsSat, 11 Jan 2020 04:38:33 +0100758410532On open boundary conditions for long wave equation in the hodograph plane
https://medworm.com/758410531/on-open-boundary-conditions-for-long-wave-equation-in-the-hodograph-plane/
Publication date: Available online 10 January 2020Source: Physics Letters AAuthor(s): Baran AydınAbstractWe discuss implications of the seaward boundary conditions used in initial-boundary value problem formulation of nonlinear shallow-water wave propagation over a linear slope. We first demonstrate the reflection of wave velocity in the case of Dirichlet condition and that of water elevation in the case of Neumann condition. We then show that linear superposition of the two boundary conditions results in much less reflection at the artificial boundary. We also propose a new boundary condition of mixed type and compare its results with that of the aforementioned conditions. (Source: Physics Letters A)Physics Letters AjournalsSat, 11 Jan 2020 04:38:33 +0100758410531Molecular logic gates based on spin caloritronic transport properties of Mn phthalocyanine nanoribbon
https://medworm.com/758410530/molecular-logic-gates-based-on-spin-caloritronic-transport-properties-of-mn-phthalocyanine-nanoribbo/
Publication date: Available online 10 January 2020Source: Physics Letters AAuthor(s): Xin-Yi Zhang, Peng ZhaoAbstractBased on the density functional theory along with nonequilibrium Green's function technique, we investigate the spin caloritronic transport properties of ferromagnetic one-dimensional Mn phthalocyanine nanoribbon under different magnetic configurations. The results demonstrate the thermally-driven spin-dependent currents depend strongly on the choice of magnetic configuration. The underlying mechanism is analyzed by the Fermi-Dirac distribution function, spin-resolved transmission spectra, band structures and current spectra. And based on those intriguing spin caloritronic transport properties, we design thermal spin AND, OR and NOT molecular logic gates. (Source: Physics Le...Physics Letters AjournalsSat, 11 Jan 2020 04:38:33 +0100758410530Editors
https://medworm.com/758106625/editors/
Publication date: 28 February 2020Source: Physics Letters A, Volume 384, Issue 6Author(s): (Source: Physics Letters A)Physics Letters AjournalsThu, 09 Jan 2020 23:38:47 +0100758106625Phase investigation and crystal structure analysis of zinc stannate (Zn2SnO4)
https://medworm.com/757802873/phase-investigation-and-crystal-structure-analysis-of-zinc-stannate-zn2sno4/
Publication date: Available online 7 January 2020Source: Physics Letters AAuthor(s): Runjiang Guo, Hua Li, Hezhou LiuAbstractThe space group of zinc stannate (Zn2SnO4) synthesized by one-pot hydrothermal method was often thought to be Fd3m. However, we observed the presence of (200) and (420) diffraction planes via X-ray diffraction and selected area electron diffraction patterns which are forbidden in Fd3m but allowed in F4¯3m. So we declared that the as-produced nano-sized Zn2SnO4 in the previous literatures had F4¯3m space group rather than Fd3m. The main difference between these two space groups is that for spinels with F4¯3m space group, the octahedrally coordinated metal ions are displaced along <111> directions. In this work, we first demonstrate that the space group of Zn2Sn...Physics Letters AjournalsWed, 08 Jan 2020 18:35:37 +0100757802873Reputation-based co-evolutionary model promotes cooperation in prisoner's dilemma game
https://medworm.com/757802872/reputation-based-co-evolutionary-model-promotes-cooperation-in-prisoners-dilemma-game/
Publication date: Available online 7 January 2020Source: Physics Letters AAuthor(s): Yudong Gong, Sanyang Liu, Yiguang BaiAbstractIndirect reciprocity is a fascinating topic in the field of social cooperation. In this paper, we propose a novel updating strategy based on the critical reputation-aware calculation. The joint of reputation allows players to make decisions not only on current payoffs but also from a third party, which improves the status of cooperators in the prisoner's dilemma game and provides a possibility for surviving. Experiments show that the discrepancies in initial fitness caused by reputation will support cooperators in occupying a high proportion in communities. Interestingly, we find that the massive scale of reputation fluctuation helps to enhance the cooperative e...Physics Letters AjournalsWed, 08 Jan 2020 18:35:37 +0100757802872A compact sharp-edge wide bandpass near-infrared filter based on graded-index sinusoidally corrugated photonic crystal
https://medworm.com/757802870/a-compact-sharp-edge-wide-bandpass-near-infrared-filter-based-on-graded-index-sinusoidally-corrugate/
In this study, a wide-bandpass near-infrared filter is devised based on a novel sinusoidally corrugated multilayer structure. The presented structure exhibits a wider bandpass and higher average transmission amplitude than the conventional triangular design. Cut-on frequency of the proposed bandpass filter can be tuned by the variation of horizontal lattice constant. Thus it can be applied as a tunable multichannel filter. Particle swarm optimization procedure was carried out to find the optimal arrangement of dielectric materials to eliminate the undesired fluctuations in the transmission spectrum at the beginning of the passband region. We compared the bandpass filtering behavior of the simple/graded sinusoidal photonic structures with and without anti-reflective double layer coating. Ut...Physics Letters AjournalsWed, 08 Jan 2020 18:35:37 +0100757802870Controlling self-Kerr nonlinearity with an external magnetic field in a degenerate two-level inhomogeneously broadened medium
https://medworm.com/757802868/controlling-self-kerr-nonlinearity-with-an-external-magnetic-field-in-a-degenerate-two-level-inhomog/
Publication date: Available online 8 January 2020Source: Physics Letters AAuthor(s): Nguyen Huy Bang, Dinh Xuan Khoa, Le Van DoaiAbstractThe magnitude and sign of self-Kerr nonlinear coefficient in a degenerate two-level inhomogeneously broadened medium are simply controlled by an external magnetic field. By changing the external magnetic field we can switch a negative peak of Kerr nonlinear coefficient into a positive peak and vice versa, and transform a zero value of Kerr nonlinear coefficient into a positive or negative peak in resonant region. Such a controllable Kerr nonlinear coefficient can be used to manipulate the working characteristics of photonic devices such as optical switches and bistable elements. (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Jan 2020 18:35:37 +0100757802868Splitting of coupled bright solitons in two-component Bose-Einstein condensates under parametric perturbation
https://medworm.com/757802867/splitting-of-coupled-bright-solitons-in-two-component-bose-einstein-condensates-under-parametric-per/
Publication date: Available online 8 January 2020Source: Physics Letters AAuthor(s): M.O.D. Alotaibi, B.B. Baizakov, S.M. Al-Marzoug, H. BahlouliAbstractWe analyze the dynamics of bright-bright solitons in two-component Bose-Einstein condensates (BECs) subject to parametric perturbations using the variational approach and direct numerical simulations. The system is described by a vector nonlinear Schrödinger equation (NLSE) appropriate to coupled multi-component BECs. A periodic variation of the inter-component coupling coefficient is used to explore nonlinear resonances and splitting of the coupled bright solitons. The analytical predictions are confirmed by direct numerical simulations of the vector NLSE. (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Jan 2020 18:35:37 +0100757802867Conservation laws of some classes of models involving oscillons
https://medworm.com/757649603/conservation-laws-of-some-classes-of-models-involving-oscillons/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): A.F. Aljohani, A.H. KaraAbstractIn this paper, we construct and analyse the conservation laws (conserved densities) of two models that lead to oscillons; viz., in a system of two nonlinearly coupled scalar fields in (1+1)-dimensional spatiotemporal continuum' and analysed a particular class of sixth-degree polynomial potentials and one in which an interaction of ‘two one-dimensional spatial vector oscillons in a trap with significant transverse dimensions’ occur. (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649603Kapitza resistance in basic chain models with isolated defects
https://medworm.com/757649602/kapitza-resistance-in-basic-chain-models-with-isolated-defects/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): Jithu Paul, O.V. GendelmanAbstractWe explore numerically the boundary Kapitza resistance in one-dimensional chain models with isotopic and/or coupling defects for variety of the inter-particle potentials. In linear models, the Kapitza resistance is well-defined and size-independent (contrary to the bulk heat conduction coefficient), but depends on the parameters of thermostats used in the simulation. For β-FPU model one also encounters the dependence on the thermostats; in addition, the simulated boundary resistance strongly depends on the total system size. Finally, in the models characterized by convergent bulk heat conductivity (chain of rotators, Frenkel-Kontorova model) the boundary resistance is the...Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649602Study on the properties of Pb(Zr,Ti)O3 thin films grown alternately by pulsed laser deposition and sol-gel method
https://medworm.com/757649601/study-on-the-properties-of-pbzrtio3-thin-films-grown-alternately-by-pulsed-laser-deposition-and-s/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): Peng Shi, Yan Yang, Huisen Li, Zhiqiu Zou, Benpeng Zhu, Yue Zhang, Jun Ou-Yang, Shi Chen, Xiaofei YangAbstractIn order to prepare good quality Pb(Zr,Ti)O3 (PZT) thin films, we consider the method of alternately growing PZT thin films on Pt (111)/Ti/SiO2/Si (100) substrates by pulsed laser deposition (PLD) and sol-gel. In this work, we conducted comparative experiments on different film preparation methods, and 1.0 um thick PZT film was grown on platinized silicon wafers by an alternate PLD and sol-gel method. The microstructure and electrical properties of the films is analyzed. Through the study of X-ray diffraction, SEM, AFM, PFM, and ferroelectric testing, it is found that the alternating growth of a fi...Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649601Chimera states in globally coupled sine circle map lattices: Spatiotemporal intermittency and hyperchaos
https://medworm.com/757649600/chimera-states-in-globally-coupled-sine-circle-map-lattices-spatiotemporal-intermittency-and-hyperc/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): Joydeep Singha, Neelima GupteAbstractChimera states with coexisting phase synchronised and desynchronised groups are seen in a globally coupled sine circle map lattice with distinct values of intergroup and intragroup coupling, at some parameters. Structures similar to spatiotemporally intermittent regions, are seen in the desynchronised group. These states exhibit hyperchaos. Other states seen include fully synchronised/desynchronised states and two cluster states. The phase diagram of the system is obtained using complex order parameters. This is reproduced accurately using the average fraction of laminar/burst sites in each group, indicating the key nature of this quantity. (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649600A simple study of the correlation effects in the superposition of waves of electric fields: The emergence of extreme events
https://medworm.com/757649599/a-simple-study-of-the-correlation-effects-in-the-superposition-of-waves-of-electric-fields-the-emer/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): Roberto da Silva, Sandra D. PradoAbstractIn this paper, we study the effects of correlated random phases in the intensity of a superposition of N wavefields. Our results suggest that regardless of whether the phase distribution is continuous or discrete if they are random correlated variables, we will observe a denser tail distribution and the emergence of extreme events (amplitudes 30-40 times larger than their average) as the phases correlation increase. Recent results in the literature discuss the role of phase correlations on the emergence of rogue waves both in linear and nonlinear systems, but the mechanisms to generate them are not always straightforward. We show here a simple way to correlate the w...Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649599Green's function formulation of multiple nonlinear Dirac δ-function potential in one dimension
https://medworm.com/757649598/greens-function-formulation-of-multiple-nonlinear-dirac-function-potential-in-one-dimension/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): Fatih Erman, Haydar UncuAbstractIn this work, we study the scattering problem of the general nonlinear finitely many Dirac delta potentials with complex coupling constants (or opacities in the context of optics) using the Green's function method and then find the bound state energies and the wave functions for the particular form of the nonlinearity in the case of positive real coupling constants. (Source: Physics Letters A)Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649598The spin-dependent transport properties of endohedral transition-metal-fullerene X@C66H4 (X=Fe, Co, Mn, Ni)†
https://medworm.com/757649597/the-spin-dependent-transport-properties-of-endohedral-transition-metal-fullerene-xc66h4-xfe-co-/
Publication date: Available online 6 January 2020Source: Physics Letters AAuthor(s): Jian-Hua Li, Yan-Dong Guo, Hong-Li Zeng, Jing-Jing He, Yang Ni, Qiao-An Li, Xiao-Hong YanAbstractInspired by recent experiments on the successful synthesis of hydrofullerene C66H4 in Tian et al. (2019) [12] with two negatively curved heptagons. Based on the density functional theory and nonequilibrium Green's function method, we report the spin-dependent transport through transition-metal-atom-encapsulated C66H4 hydrofullerene, i.e., X@C66H4(X=Fe, Co, Mn, Ni), contacted by single gold atoms via semi-infinite non-magnetic Au electrodes. It is found that, Mn- and Fe-doped systems show highly spin-polarized transmission as well as considerable magnetic moments whereas Ni-doped systems show completely spin-unp...Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649597Broadband high-efficiency controllable asymmetric propagation by pentamode acoustic metasurface
https://medworm.com/757649596/broadband-high-efficiency-controllable-asymmetric-propagation-by-pentamode-acoustic-metasurface/
Publication date: Available online 7 January 2020Source: Physics Letters AAuthor(s): Yangyang Chu, Zhaohong Wang, Zhuo XuAbstractWe utilise the pentamode metasurface to realise broadband high-efficiency and controllable asymmetric transmission. The designed metasurface can manipulate the acoustic waves, as expected from the generalised Snell's law, and exhibits unique characteristics such as extraordinary broadband acoustic control, apparent negative refraction, and conversion from the propagating wave to surface mode. The asymmetric transmission features of positive refraction for the forward incidence (FI) and negative refraction for the reverse incidence (RI) can be realised within the range of 2600 Hz to 5600 Hz by controlling the incident angle from 0° to 35° with the transmission e...Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649596Perspectives of Electrically generated spin currents in ferromagnetic materials
https://medworm.com/757649595/perspectives-of-electrically-generated-spin-currents-in-ferromagnetic-materials/
Publication date: Available online 7 January 2020Source: Physics Letters AAuthor(s): Angie Davidson, Vivek P. Amin, Wafa S. Aljuaid, Paul M Haney, Xin FanAbstractSpin-orbit coupling enables charge currents to give rise to spin currents and vice versa, which has applications in non-volatile magnetic memories, miniature microwave oscillators, thermoelectric converters and Terahertz devices. In the past two decades, a considerable amount of research has focused on electrical spin current generation in different types of nonmagnetic materials. However, electrical spin current generation in ferromagnetic materials has only recently been actively investigated. Due to the additional symmetry breaking by the magnetization, ferromagnetic materials generate spin currents with different orientations ...Physics Letters AjournalsWed, 08 Jan 2020 03:41:52 +0100757649595A special triple point in non-centrosymmetric materials Zn3In2Se6 and In2Se3
https://medworm.com/756883168/a-special-triple-point-in-non-centrosymmetric-materials-zn3in2se6-and-in2se3/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Yinxiang Li, Congcong Le, Qiubo Cheng, Yuge Chen, Bin ChenAbstractWe predict that the non-centrosymmetric materials Zn3In2Se6 and In2Se3 are the symmetry protected topological critical triple point metals based on first principles calculation. The dispersion along the Γ-Z line almost vanishes because of the particular crystal structure, and the strain along the c direction maybe drives accidental Dirac point to triple point. An effective theory is developed to describe accidental Dirac points and triple points, by which we calculate the surface states. These materials provide us a new platform to discuss the relation between the triple points and Dirac points. (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883168Plasmon modes in double-layer gapped graphene at zero temperature
https://medworm.com/756883167/plasmon-modes-in-double-layer-gapped-graphene-at-zero-temperature/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Nguyen Van Men, Dong Thi Kim PhuongAbstractPlasmon dispersions and damping rate of plasma oscillations in a double-layer gapped graphene made of two parallel mono layer gapped graphene sheets grown on dielectric separation are calculated within random-phase-approximation at zero temperature. By using long wavelength limit expansion, analytical expressions for optical and acoustic plasmon frequencies have been formed, and the formulae demonstrate that the considerable difference in analytical form for plasmon frequencies comes from the factor depending on the band gap, compared to gapless situation. Numerical results show that only large band gap decreases remarkably plasmon frequencies of two modes in the ...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883167Thermoelectric properties of monolayer α-Te: Low lattice thermal conductivity and extremely high dimensionless figure of merit
https://medworm.com/756883166/thermoelectric-properties-of-monolayer-te-low-lattice-thermal-conductivity-and-extremely-high-di/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Xia Jiang, Lin Zhu, Bowen Li, Kailun YaoAbstractWe have investigated the thermoelectric properties of monolayer α-Te by the first-principles and the Boltzmann transport theory. The results show that monolayer α-Te is an indirect bandgap semiconductor with a moderate bandgap of 0.63 eV. The value of the Seebeck coefficient for monolayer α-Te is larger than 200 μVK−1, the electrical conductivity has the magnitude of 1×106. The lattice thermal conductivity is smaller than 4 Wm−1K−1, which is extremely low. Instructively, the dimensionless figure of merit for monolayer α-Te is more than 4, which is markedly high. The above phenomena imply that monolayer α-Te can be served as a considerable thermoe...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883166Two-photon selective excitation of phonon-mode in diamond using mid-infrared free-electron laser
https://medworm.com/756883165/two-photon-selective-excitation-of-phonon-mode-in-diamond-using-mid-infrared-free-electron-laser/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Oji Sato, Kyohei Yoshida, Heishun Zen, Kan Hachiya, Takuya Goto, Takashi Sagawa, Hideaki OhgakiAbstractTwo-photon selective excitation of an infrared (IR)-inactive phonon mode by a mid-infrared tunable free-electron laser (FEL) was accomplished. The mode-selective phonon excitation of IR-active mode by one-photon excitation using FEL (Yoshida et al. (2013) [20]) was extended to the IR-inactive mode excitation. The T2g optical phonon mode in single-crystal diamond at 1,332cm−1 was selected, and the FEL photon energy corresponding to the oscillation wavelength was tuned to the half of the target phonon energy. The successful mode excitation was confirmed by anti-Stokes Raman scattering signal of T2g for th...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883165Estimating critical surface tension from droplet spreading area
https://medworm.com/756883164/estimating-critical-surface-tension-from-droplet-spreading-area/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Yukihiro Yonemoto, Tomoaki KunugiAbstractCritical surface tension (CST) is a measure of solid surface tension and is mainly determined by measuring the contact angle of a droplet on a target solid surface. The concept of CST makes it possible to determine solid surface tension without any unprovable assumptions such as the Fowkes hypothesis. However, it requires somewhat special devices and skills for measuring the contact angle. In this work, we propose a simple method to determine the CST of a solid by measuring the droplet spreading area. This method is developed by combining the conventional CST with a simple analytical droplet model. The difference in estimated CSTs between our method and the conventi...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883164Diffraction mode selection in planar Bragg resonators of optical and microwave wavelength ranges
https://medworm.com/756883163/diffraction-mode-selection-in-planar-bragg-resonators-of-optical-and-microwave-wavelength-ranges/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): N.S. Ginzburg, A.S. Sergeev, E.R. Kocharovskaya, A.M. Malkin, E.D. Egorova, V.Yu. ZaslavskyAbstractUsing the coupled waves approach complemented by the time-domain quasi-optical approximation, we solve a 2D diffraction problem which allows to evaluate the eigenfrequencies, quality factors and spatial structures of eigenmodes in planar Bragg resonators with a finite length and width of the corrugated area. We find the values of the Fresnel parameter determined by the geometrical dimensions of the system which allows for efficient transverse mode discrimination due to the larger diffraction losses of the modes with higher transverse numbers. (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883163Roles of different update strategies in the vaccination behavior on two-layered networks
https://medworm.com/756883162/roles-of-different-update-strategies-in-the-vaccination-behavior-on-two-layered-networks/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Xinyu Wang, Shupeng Gao, Peican Zhu, Juan WangAbstractEpidemic spreading has been widely investigated over the past decades. And voluntary vaccination has been often utilized to explore dynamical process in epidemics where vaccines are available. In this letter, we establish a framework considering conformity motivated update as well as myopic best response motivated update on a family network which is demonstrated by a two-layered network. Extensive numerical simulations are conducted to study the dynamics of epidemic spreading under the aforementioned update rules, from which we discover the oscillation phenomenon under the pure myopic best response condition and the amplitude diversification phenomenon ...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883162The application of artificial neural-network potentials for flexoelectricity: Performance for anatase-type TiO2
https://medworm.com/756883161/the-application-of-artificial-neural-network-potentials-for-flexoelectricity-performance-for-anatas/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Lin Xiang, Xiaoqin Zeng, Xiaokun Huang, Guannan LiAbstractFlexoelectric effect (FxE) arising from coupling between electric polarization and strain-gradient is a long-range interactions. To theoretically obtain accurate flexoelectric coefficient, density functional theory (DFT) method is usually applied to calculate large-scale supercell, which requires massive computational resource. Artificial neural network (ANN) representation of DFT potential-energy surfaces should yield substantial savings in computational resource. Nevertheless, it remains to be verified whether local ANN potential obtained from training of database that comprises atomic-scale structure, can be used to study FxE that involves long-r...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883161Quantum computing cryptography: Finding cryptographic Boolean functions with quantum annealing by a 2000 qubit D-wave quantum computer
https://medworm.com/756883160/quantum-computing-cryptography-finding-cryptographic-boolean-functions-with-quantum-annealing-by-a-/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Feng Hu, Lucas Lamata, Mikel Sanz, Xi Chen, Xingyuan Chen, Chao Wang, Enrique SolanoAbstractAs the building block in symmetric cryptography, designing Boolean functions satisfying multiple properties is an important problem in sequence ciphers, block ciphers, and hash functions. However, the search of n-variable Boolean functions fulfilling global cryptographic constraints is computationally hard due to the super-exponential size O(22n) of the space. Here, we introduce a codification of the cryptographically relevant constraints in the ground state of an Ising Hamiltonian, allowing us to naturally encode it in a quantum annealer, which seems to provide a quantum speedup. Additionally, we benchmark small n ...Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883160Rogue wave solutions of the vector Lakshmanan–Porsezian–Daniel equation
https://medworm.com/756883159/rogue-wave-solutions-of-the-vector-lakshmananporseziandaniel-equation/
Publication date: Available online 3 January 2020Source: Physics Letters AAuthor(s): Yanlin Ye, Chong Hou, Dandan Cheng, Shihua ChenAbstractWe use a nonrecursive Darboux transformation method to obtain a special hierarchy of rogue wave solutions of the vector Lakshmanan–Porsezian–Daniel equation, which can govern the propagation of ultrashort optical pulses in a long-haul telecommunication fiber. In terms of the exact rational solutions, we demonstrate several interesting rogue wave dynamics such as rogue wave doublets, quartets and sextets. The modulation instability responsible for the excitation of rogue waves from an unstable continuous background in such a complex nonlinear system is also discussed. (Source: Physics Letters A)Physics Letters AjournalsSun, 05 Jan 2020 04:02:39 +0100756883159Editors
https://medworm.com/756576085/editors/
Publication date: 17 February 2020Source: Physics Letters A, Volume 384, Issue 5Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 03 Jan 2020 23:11:33 +0100756576085Origin of large spin Hall magnetoresistance in Fe/CuOx bilayers
https://medworm.com/756108205/origin-of-large-spin-hall-magnetoresistance-in-fecuox-bilayers/
Publication date: Available online 31 December 2019Source: Physics Letters AAuthor(s): S.Q. Zheng, K.K. Meng, Q.B. Liu, Y.C. Wu, J. Miao, X.G. Xu, Y. JiangAbstractWe have compared the spin Hall magnetoresistance (SMR) in Fe/Pt and Fe/CuOx (with natural oxidation) bilayers with varying the thickness of Fe layer. A larger SMR in Fe/CuOx bilayers has been found when the thickness of Fe layer is 3 nm. Moreover, the SMR of the two bilayers decrease with increasing the thickness of Fe from 3 nm to 10 nm, but that of Fe/CuOx drops more sharply due to shunting current effect. Through harmonic measurements, the emergent spin current is proved to be generated in the Fe/CuOx bilayers. The mixed phase of CuOx has been confirmed including CuO, Cu2O and Cu, which performs strong spin-orbit coupling and ...Physics Letters AjournalsThu, 02 Jan 2020 04:41:30 +0100756108205Optical properties and electromagnetically induced grating in a hybrid semiconductor quantum dot-metallic nanorod system
https://medworm.com/755786537/optical-properties-and-electromagnetically-induced-grating-in-a-hybrid-semiconductor-quantum-dot-met/
Publication date: Available online 30 December 2019Source: Physics Letters AAuthor(s): Tayebeh NaseriAbstractAn artificial molecule consisting of an SQD and an MNR embedded in 3D photonic crystal is proposed to realize EIG. Using the quantum mechanical density matrix approach, we have derived an expression of the absorption coefficient in the SQD in presence of MNR. Nanoparticle geometry can modify the local fields that determine SQD-MNP coupling and to engineer the hybrid optical response. The probe absorption is reduced via a strong coupling field, demonstrating spectral transparency window. It is worth noting that the background affects the relaxations of SQD. So, by making use of 3D photonic crystal as the background medium, reduced decay rate and consequently substantial local-field e...Physics Letters AjournalsWed, 01 Jan 2020 00:14:37 +0100755786537Editors
https://medworm.com/755786521/editors/
Publication date: 6 February 2020Source: Physics Letters A, Volume 384, Issue 4Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 01 Jan 2020 00:14:37 +0100755786521A non-Hermitian quantum approach to reliability of a two-state system
https://medworm.com/754994661/a-non-hermitian-quantum-approach-to-reliability-of-a-two-state-system/
Publication date: Available online 27 December 2019Source: Physics Letters AAuthor(s): Kunsong Lin, Jiaxiao Zhu, Yunxia ChenAbstractWe explore the concept of the reliability theory in the quantum domain, by giving a Hilbert structure to the system states, then utilize a non-Hermitian Schrodinger equation to describe the state evolution and finally derive two new lifetime distributions. Beyond this, the alternative density matrix approach implies that the degradation term can be separated into two parts, one only related to the system properties and the other only influenced by the environment. Applications on six real data sets further show that the proposed models can outperform the existing well-known distributions, which verifies the validity of the proposed method. (Source: Physics Let...Physics Letters AjournalsSun, 29 Dec 2019 01:08:30 +0100754994661Optical solitons with Chen–Lee–Liu equation by Lie symmetry
https://medworm.com/752456524/optical-solitons-with-chenleeliu-equation-by-lie-symmetry/
Publication date: Available online 18 December 2019Source: Physics Letters AAuthor(s): Anupma Bansal, Anjan Biswas, Qin Zhou, Saima Arshed, Abdullah Kamis Alzahrani, Milivoj R. BelicAbstractThis paper avails of classical Lie symmetry analysis to exhibit optical solitons to Chen–Lee–Liu model. By the aid of the proposed method, we secure symmetries that transform the model to a system of ordinary differential equations which are subsequently investigated by a number of methods to recover bright, dark and singular solitons. (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Dec 2019 13:14:36 +0100752456524Modeling the strain rate-dependent constitutive behavior in nanotwinned polycrystalline metals
https://medworm.com/752456523/modeling-the-strain-rate-dependent-constitutive-behavior-in-nanotwinned-polycrystalline-metals/
Publication date: Available online 19 December 2019Source: Physics Letters AAuthor(s): Zizheng Guo, Kai Wu, Haihui Ruan, Linli ZhuAbstractExperimental studies have demonstrated that both strain rate and temperature influence the mechanical behavior of nanostructured metals significantly. In this work, a theoretical model is developed to describe the strain-rate-dependent constitutive behavior of nanotwinned polycrystalline metals. The athermal flow stress and thermal-activated flow stress are both considered in modeling the plastic deformation of a nanotwinned metal. Numerical results are consistent with the experimental results, showing that the present model can well describe the strain rate-dependent deformation behavior of nanotwinned polycrystalline copper. Henceforth, the constitutiv...Physics Letters AjournalsThu, 19 Dec 2019 13:14:36 +0100752456523Deterministic remote preparation of arbitrary single-qubit state via one intermediate node in noisy environment
https://medworm.com/752297404/deterministic-remote-preparation-of-arbitrary-single-qubit-state-via-one-intermediate-node-in-noisy-/
Publication date: Available online 17 December 2019Source: Physics Letters AAuthor(s): Ying-jia Qian, Shi-bei Xue, Min JiangAbstractWe propose a remote state preparation scheme working in noisy environment via one intermediate node. Firstly, we report the remote preparation of an arbitrary single-qubit state with one intermediate node in ideal environment. Afterwards, we investigate the influence of four kinds of representative noises that are commonly encountered in practical applications of quantum communication protocols. Detailed analysis indicates that the fidelities of the output state rely on the coefficients of the prepared state and the decoherence rate. The turning point is λ=0.5 in both the bit-flip and phase-flip noisy channels. The fidelity in the depolarizing channel is rela...Physics Letters AjournalsWed, 18 Dec 2019 23:12:03 +0100752297404Variational calculations for relativistic two dimensional strongly interacting fermions: Application to 2D liquid 3He
https://medworm.com/751978982/variational-calculations-for-relativistic-two-dimensional-strongly-interacting-fermions-application/
Publication date: Available online 16 December 2019Source: Physics Letters AAuthor(s): H. Salehi, M. Mohammadi Sabet, S. MizaniAbstractIn this paper, a variational method has been used to investigate the properties of two dimensional (2D) strongly interacting fermions. As an application, the results have been applied to 2D liquid H3e as a real fermionic system. We showed that this variational method, known as lowest order constrained variational method, can be used to relativistic 2D fermionic systems with a good accuracy. We proved that different features of a relativistic many body system can be studied without solving Dirac equation. In the case of 2D liquid H3e, our calculations show that at higher temperatures, relativistic corrections are more significant. For this system, as we expe...Physics Letters AjournalsTue, 17 Dec 2019 18:41:26 +0100751978982Dynamics of driven Brownian inverted oscillator
https://medworm.com/751184694/dynamics-of-driven-brownian-inverted-oscillator/
We describe the influence of an arbitrary time-dependent force on an open inverted oscillator dynamics. We take into account environment through the integral operator of relaxation and the force correlation function. The resulting behavior of the system is represented as a combination the time evolution of the position expectation and the variance, being induced simultaneously by spreading the wave packet and the chaotic Brownian motion. We discuss the possibility of stabilization of an open inverted oscillator, when applying external alternating force. (Source: Physics Letters A)Physics Letters AjournalsSat, 14 Dec 2019 19:11:26 +0100751184694Nondegenerate soliton solutions in certain coupled nonlinear Schrödinger systems
https://medworm.com/751184693/nondegenerate-soliton-solutions-in-certain-coupled-nonlinear-schrdinger-systems/
Publication date: Available online 14 December 2019Source: Physics Letters AAuthor(s): S. Stalin, R. Ramakrishnan, M. LakshmananAbstractIn this paper, we report a more general class of nondegenerate soliton solutions, associated with two distinct wave numbers in different modes, for a certain class of physically important integrable two component nonlinear Schrödinger type equations through bilinearization procedure. In particular, we consider coupled nonlinear Schrödinger (CNLS) equations (both focusing as well as mixed type nonlinearities), coherently coupled nonlinear Schrödinger (CCNLS) equations and long-wave-short-wave resonance interaction (LSRI) system. We point out that the obtained general form of soliton solutions exhibit novel profile structures than the previously known deg...Physics Letters AjournalsSat, 14 Dec 2019 19:11:26 +0100751184693The evolution of cooperation within the multigame environment based on the Particle Swarm Optimization algorithm
https://medworm.com/751026140/the-evolution-of-cooperation-within-the-multigame-environment-based-on-the-particle-swarm-optimizati/
Publication date: Available online 12 December 2019Source: Physics Letters AAuthor(s): Xianjia Wang, Wenman Chen, Jinhua ZhaoAbstractThis paper studies the evolution of cooperation in a so-called multigame environment based on the Particle Swarm Optimization (PSO) algorithm. In a multigame environment, players use different game payoff matrices and acquire their utilities from their interactions with their neighbors. According to the PSO algorithm, each player updates its strategy according to both the strategy adopted by the player with the highest utility in its neighborhood and the most profitable strategy in their own past actions. Simulation results show that the multigame environment is conducive to the promotion of cooperation. Besides, within the multigame environment, for any play...Physics Letters AjournalsSat, 14 Dec 2019 05:11:24 +0100751026140Physical properties of Pb doped ZnS thin films prepared by ultrasonic spray technique
https://medworm.com/751026139/physical-properties-of-pb-doped-zns-thin-films-prepared-by-ultrasonic-spray-technique/
Publication date: Available online 12 December 2019Source: Physics Letters AAuthor(s): A. Attaf, A. Derbali, H. Saidi, H. Benamra, M.S. Aida, N. Attaf, H. Ezzaouia, L. DerbaliAbstractIn the present work, high quality Pb doped ZnS thin films were deposited on glass substrates at 450°C using spray ultrasonic technique. The dependence of the structural, morphological and optical properties of the films on the lead (Pb) doping amount was investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), UV–vis–NIR spectrophotometry, and four-point method. The improvement of the obtained Pb:ZnS thin films properties were discussed as a function of Pb concentration (0.5 to 2 at.%). The average crystallite size of Pb:ZnS was found in the range of 25–37 nm. The scanning e...Physics Letters AjournalsSat, 14 Dec 2019 05:11:24 +0100751026139High spin-filtering and magnetoelectric properties of one-dimensional transition metal.bis(dithiolene) structures
https://medworm.com/751026138/high-spin-filtering-and-magnetoelectric-properties-of-one-dimensional-transition-metalbisdithiolen/
Publication date: Available online 12 December 2019Source: Physics Letters AAuthor(s): Niloofar Saeedzadeh Khaanghah, H. Rahimpour Soleimani, Zahra GolsanamlouAbstractThe electric, magnetic and transport properties of new one dimensional π-conjugated transition metal.bis.dithiolene (1D-TM.b.DT) structures, were investigated based on density functional theory (DFT) and nonequilibrium Green's function formalism (NEGF). Mn, Co and Ni atoms are considered as TMs in the 1D-TM.b.DT structures. The three 1D-TM.b.DT structures are found to be in square planar geometry. dx2−y2 and dz2 orbitals of the considered TMs remain non-bonding however other d orbitals make π and σ bonds with p orbitals of sulfur atoms. The 1D-Ni.b.DT is a metal and has similar α- and β-spin behaviors, thus has the hig...Physics Letters AjournalsSat, 14 Dec 2019 05:11:24 +0100751026138Stability and superconductivity of TiPHn (n = 1−8) under high pressure
https://medworm.com/751026137/stability-and-superconductivity-of-tiphn-n-18-under-high-pressure/
Publication date: Available online 12 December 2019Source: Physics Letters AAuthor(s): Xue Guo, Ru-Lin Wang, Hai-Liang Chen, Wen-Cai Lu, K.M. Ho, C.Z. WangAbstractTitanium exhibits high affinity to hydrogen and the Ti-H compounds are thermodynamically stable. We introduced the Ti elements in the P-H compounds to deal with the thermodynamic-instability issue of the P-H compounds. In this work, ternary hydrogen-rich compounds TiPHn (n = 1-8) were studied and calculated using the density function theory (DFT) method. The results showed that the TiPH4 and TiPH8 had high superconducting critical temperatures (Tc) as well as better stability. Among TiPHn (n = 1-8), the TiPH and TiPH4 were most stable at 50-200 and 250-300 GPa, respectively. For the R-3m-TiPH4 structure, the predicted Tc's are 52...Physics Letters AjournalsSat, 14 Dec 2019 05:11:24 +0100751026137Photon-assisted PT symmetry and stability of two strongly interacting bosons in a non-Hermitian driven double well
https://medworm.com/751026136/photon-assisted-pt-symmetry-and-stability-of-two-strongly-interacting-bosons-in-a-non-hermitian-driv/
Publication date: Available online 12 December 2019Source: Physics Letters AAuthor(s): Zheng Zhou, Zixiang Wang, Honghua Zhong, Yunrong Luo, Hao Chen, Jintao TanAbstractWe investigate how the driving field and strong interatomic interaction affect the parity-time (PT) symmetry and stability of two interacting bosons in a non-Hermitian double-well system by means of a multiple-time-scale asymptotic analysis. In contrast to the usually PT-symmetric case without the driving, for which the interatomic interaction always break the PT symmetry, we show that photon resonance can assist PT symmetry when a nearly-resonant condition between the interaction strength and the driving parameter is established. In the non-PT-symmetric regime, the stability of the two strongly interacting bosons can also ...Physics Letters AjournalsSat, 14 Dec 2019 05:11:24 +0100751026136Bell-type polarization experiment with pairs of uncorrelated optical photons
https://medworm.com/751026135/bell-type-polarization-experiment-with-pairs-of-uncorrelated-optical-photons/
We present a Bell-type polarization experiment using two independent sources of polarized optical photons, and detecting the temporal coincidence of pairs of uncorrelated photons which have never been entangled in the apparatus. Very simply, our measurements have tested the quantum-mechanical equivalent of the classical Malus' law on an incoherent beam of polarized photons obtained from two separate and independent laser sources greatly reduced in intensities. The outcome of the experiment gives evidence of violation of the Bell-like inequalities. Drawing the conclusions of the present work, we invoke the distinction between the concepts of stater-preparation and measurement to understand this result. (Source: Physics Letters A)Physics Letters AjournalsSat, 14 Dec 2019 05:11:24 +0100751026135Optical solitons for Radhakrishnan–Kundu–Lakshmanan equation with full nonlinearity
https://medworm.com/750708449/optical-solitons-for-radhakrishnankundulakshmanan-equation-with-full-nonlinearity/
Publication date: Available online 11 December 2019Source: Physics Letters AAuthor(s): Saima Arshed, Anjan Biswas, Padmaja Guggilla, Ali Saleh AlshomraniAbstractThis paper retrieves bright, dark, singular and dark–singular combo dispersive optical solitons that stem from Radhakrishnan–Kundu–Lakshmanan model which is studied with full nonlinearity. These solitons are listed with constraint conditions on their parameters which serve as their existence criteria. Two strategically sound integration schemes have made soliton recovery successful. (Source: Physics Letters A)Physics Letters AjournalsFri, 13 Dec 2019 00:38:34 +0100750708449Tailoring electronic and transport properties of edge-terminated armchair graphene by defect formation and N/B doping
https://medworm.com/750708448/tailoring-electronic-and-transport-properties-of-edge-terminated-armchair-graphene-by-defect-formati/
Publication date: Available online 11 December 2019Source: Physics Letters AAuthor(s): Nabajyoti Baildya, Narendra Nath Ghosh, Asoke P. ChattopadhyayAbstractFirst principle calculations based on Density Functional Theory and nonequilibrium Green's function methods were carried out on a p-n junction device made of armchair graphene nanoribbons (GNR), with B and N doping and with defects, to examine transport properties of these systems. Doping and defects were found to lower band gap compared to pristine GNR. N-doping leads to the smallest band gap and the highest current (17.18 μA at 0.9 V bias, −12.82 μA at −1 V bias). B-doping shows the least current. Extensive delocalisation in N-doped system suggests a strong coupling between p and n parts, making the system a high rectifying dio...Physics Letters AjournalsFri, 13 Dec 2019 00:38:34 +0100750708448Electrical switching effect in a photochromic molecule between two graphene electrodes
https://medworm.com/750708447/electrical-switching-effect-in-a-photochromic-molecule-between-two-graphene-electrodes/
Publication date: Available online 11 December 2019Source: Physics Letters AAuthor(s): Feng-Xia Zu, Fu-Chun Zhang, Dong Wang, Yun Ni, Shu-Ling Wang, Chun-Ling Ding, Guo-ying GaoAbstractWe propose a single-molecule electrical switches consisting of a photochromic dimethyldihydropyrene/cyclophanediene molecule sandwiched between two graphene electrodes and investigate the electronic transport by using density-functional theory and nonequilibrium Green's function methods. The “open” and “closed” isomers of the photochromic molecule are shown to have electrical switching behavior and negative differential resistance effect. Moreover, it is also found that the switching ratio between two different conductive states depends on the ambient temperature, and the device behaves as a stable e...Physics Letters AjournalsFri, 13 Dec 2019 00:38:34 +0100750708447Quantum Stochastic Walk models for quantum state discrimination
https://medworm.com/750708446/quantum-stochastic-walk-models-for-quantum-state-discrimination/
Publication date: Available online 11 December 2019Source: Physics Letters AAuthor(s): Nicola Dalla Pozza, Filippo CarusoAbstractQuantum Stochastic Walks (QSW) allow for a generalization of both quantum and classical random walks by describing the dynamic evolution of an open quantum system on a network, with nodes corresponding to quantum states of a fixed basis. We consider the problem of quantum state discrimination on such a system, and we solve it by optimizing the network topology weights. Finally, we test it on different quantum network topologies and compare it with optimal theoretical bounds. (Source: Physics Letters A)Physics Letters AjournalsFri, 13 Dec 2019 00:38:34 +0100750708446Open multistate Majorana model
https://medworm.com/750708445/open-multistate-majorana-model/
Publication date: Available online 11 December 2019Source: Physics Letters AAuthor(s): Benedetto Militello, Nikolay V. VitanovAbstractThe Majorana model in the presence of dissipation and dephasing is considered. First, it is proven that increasing the Hilbert space dimension the system becomes more and more fragile to quantum noise, whether dephasing or dissipation are mainly present. Second, it is shown that, contrary to its ideal counterpart, the dynamics related to the open Majorana model cannot be considered as the combined dynamics of a set of independent spin-1/2 models. (Source: Physics Letters A)Physics Letters AjournalsFri, 13 Dec 2019 00:38:34 +0100750708445Anisotropic collapse in three-dimensional dipolar Bose-Einstein condensates
https://medworm.com/749278580/anisotropic-collapse-in-three-dimensional-dipolar-bose-einstein-condensates/
Publication date: Available online 6 December 2019Source: Physics Letters AAuthor(s): Boaz Ilan, Jessica TaylorAbstractWe study the (3+1)-dimensional Gross-Pitaevskii / Nonlinear Schrödinger equation describing a dipolar Bose-Einstein condensate. Bound states are computed using accurate numerical techniques. When the dipolar strength is negative, the total number of atoms vs. frequency relationship for these bound states is multi-valued and possesses a cusp point, which corresponds to a “candlestick” ground state. Direct simulations of this ground state exhibit strongly-anisotropic collapse of its nucleus, with different contraction rates along the dipole axis and perpendicular to it. We propose an anisotropic self-similar theory to explain this dynamics. The physical implications are...Physics Letters AjournalsSat, 07 Dec 2019 16:11:34 +0100749278580Monte Carlo study of the critical and the compensation behaviors of the double perovskite Sr2CrIrO6
https://medworm.com/749278579/monte-carlo-study-of-the-critical-and-the-compensation-behaviors-of-the-double-perovskite-sr2criro6/
Publication date: Available online 6 December 2019Source: Physics Letters AAuthor(s): Othmane Amhoud, Noura Zaim, Ahmed Zaim, Mohamed KerouadAbstractThe phase diagrams and magnetic properties of double perovskite Sr2CrIrO6 have been studied by using Monte Carlo simulation based on the heat bath algorithm. The ground-state diagrams of the compound Sr2CrIrO6 have been calculated for different combinations of system parameters. The diagrams obtained are very rich and they give an idea of all the most stable configurations. The effects of the exchange interactions and the crystal field on the phase diagrams and magnetic properties of the system have been examined. A number of interesting phenomena have been observed such as the compensation temperature, the first and second order phase transit...Physics Letters AjournalsSat, 07 Dec 2019 16:11:34 +0100749278579Spatial structures of islands of electron-hole liquid in semiconductor quantum wells
https://medworm.com/749278578/spatial-structures-of-islands-of-electron-hole-liquid-in-semiconductor-quantum-wells/
Publication date: Available online 6 December 2019Source: Physics Letters AAuthor(s): A.A. Chernyuk, V.I. SugakovAbstractThe formation of the different structures of islands of electron-hole liquid in the quantum well is studied in a statistical model. The interaction between the islands of electron-hole liquid is considered by influencing of neighboring islands through exciton gas around the considered island. Two restricted regions were studied: an infinite strip and a disk. The theory gives the possibility to determine the probability of different states realization and to find the most probable state. The dependence of the radius, mutual positions of the electron-hole liquid islands, the number of the islands in the disk on the pumping, temperature and parameters of the system (the siz...Physics Letters AjournalsSat, 07 Dec 2019 16:11:34 +0100749278578The nonlinear wave in semiconductor quantum plasma for laser beam in a self-consistent plasma channel
https://medworm.com/749278577/the-nonlinear-wave-in-semiconductor-quantum-plasma-for-laser-beam-in-a-self-consistent-plasma-channe/
Publication date: Available online 6 December 2019Source: Physics Letters AAuthor(s): Neelam Rani, Manikant Yadav, Y.K. MathurAbstractIn this paper investigating the current task, our emphasis is on distributed a serious laser beam in a self-made plasma channel. As the intensity of the laser beam increases, the medium displays the neuromuscular electrical conductivity functioning as a result of the mass effectiveness of the effectiveness of the electrons as well as the intensity of the electrons. Based on Wentzel–Kramers–Brillouin and paraxial ray theory, the steady-state solution of an intense, Gaussian electromagnetic beam is studied. The differential equation of the distance with the beam width parameter is derived, including the relativistic effects of self-focusing (SF) and self-c...Physics Letters AjournalsSat, 07 Dec 2019 16:11:34 +0100749278577L-mode to H-mode transition triggered by sawtooth-induced heat flux in EAST
https://medworm.com/749119619/l-mode-to-h-mode-transition-triggered-by-sawtooth-induced-heat-flux-in-east/
Publication date: Available online 5 December 2019Source: Physics Letters AAuthor(s): L.M. Shao, G.S. Xu, N. Yan, R. Chen, L. Chen, Y.M. Duan, W. Gao, J.P. Qian, W. Shen, A. Ti, M. Xu, Q. Yu, L. Zhang, T.F. Zhou, the EAST TeamAbstractH-modes induced by sawtooth events can be often observed in discharges with marginal auxiliary power injection in EAST. Poloidal flow shear at the very plasma edge, increasing ∼25% up to the threshold value, is observed just before the L-H transition by means of a fast reciprocating probe array in EAST. This suddenly risen poloidal flow shear, caused by the increased turbulent driven Reynolds force, is motived by the heat pulse originally released by a sawtooth crash at the plasma core. Associated with the critical poloidal flow shear, the local turbulent de...Physics Letters AjournalsSat, 07 Dec 2019 02:11:28 +0100749119619Local impact of Stone–Wales defect on a single layer GNRFET
https://medworm.com/748802102/local-impact-of-stonewales-defect-on-a-single-layer-gnrfet/
Publication date: Available online 4 December 2019Source: Physics Letters AAuthor(s): Hassan Shamloo, Atefeh Nazari, Rahim Faez, Ali ShahhoseiniAbstractIn this work, a new structure of single layer armchair graphene nanoribbon field effect transistor with the Stone–Wales (SW) defect (SWGNRFET) is studied. The simulations are solved with Poisson–Schrödinger equation self-consistently by using Non-Equilibrium Green Function (NEGF) and in the real space approach. The energy band structure is obtained by approximation tight-binding method. The results show that displacement of a defect in the width of the channel of the new structure is led to 50% increase in ION/IOFF ratio only by rotating of a C–C (Carbon–Carbon) bond with similar behavior. But, a remarkable increase of 300% in ION/...Physics Letters AjournalsThu, 05 Dec 2019 21:35:28 +0100748802102Phase transition of nanoscale Au atom chains on NiAl(110)
https://medworm.com/748484121/phase-transition-of-nanoscale-au-atom-chains-on-nial110/
Publication date: Available online 3 December 2019Source: Physics Letters AAuthor(s): Bei-bei Yi, Rui Pang, Xiaoyan Ren, Haizhong Guo, Yuan Shang, Xiangmei Duan, Jun-Hyung Cho, Shunfang LiAbstractRecently, 1D Au single atom chains (SAC) were artificially constructed on the NiAl(110) surface in experiment, which has stimulated various experimental and theoretical investigations on its potential applications such as in microelectronics and catalysis. Here, we reexamine their relative stabilities and formation mechanism on NiAl(110) using first-principles calculations. We reveal that in the range of N=2∼6, the formation of SAC is energetically more stable than that of 1D Au bi-atom chains (BAC), mainly due to the electronic quantum confinement effects. However, beyond N=6, BAC are found to ...Physics Letters AjournalsWed, 04 Dec 2019 17:08:33 +0100748484121Topological modes in radiofrequency resonator arrays
https://medworm.com/748484120/topological-modes-in-radiofrequency-resonator-arrays/
Publication date: Available online 3 December 2019Source: Physics Letters AAuthor(s): Henning U. Voss, Douglas J. BallonAbstractTopological properties of solid states have sparked considerable recent interest due to their importance in the physics of lattices with a non-trivial basis and their potential in the design of novel materials. Here we describe an experimental and an accompanying numerical toolbox to create and analyze topological states in radiofrequency resonator arrays including non-local coupling. These arrays are very easily constructed, offer a variety of geometric configurations, and their eigenfunctions and eigenvalues are amenable to detailed analysis. They offer well defined analogs to coupled oscillator systems in general in that they are characterized by resonances who...Physics Letters AjournalsWed, 04 Dec 2019 17:08:33 +0100748484120Effective potential for emergent Majorana fermions in superconductor systems
https://medworm.com/748484119/effective-potential-for-emergent-majorana-fermions-in-superconductor-systems/
Publication date: Available online 3 December 2019Source: Physics Letters AAuthor(s): A.W. Teixeira, V.L. Carvalho-Santos, J.M. FonsecaAbstractMajorana fermions cannot be found in nature as a free fundamental particle. Nevertheless, in condensed matter systems, they can emerge as a collective excitation. In this work, using functional integration techniques, we calculated the effective potential for emergent Majorana fermions in the Kitaev chain. In this case, we have shown how the superconductor parameter behaves as a function of temperature. Furthermore, we considered surface-induced superconductivity in a Topological Insulator and calculated the effective potential for emergent Majorana fermions in this system. In the case of an s-wave superconductor, we obtained a gap equation equivale...Physics Letters AjournalsWed, 04 Dec 2019 17:08:33 +0100748484119Couette flows between various bounding substrates
https://medworm.com/748484118/couette-flows-between-various-bounding-substrates/
Publication date: Available online 3 December 2019Source: Physics Letters AAuthor(s): L.V. Mirantsev, A.K. AbramyanAbstractMolecular dynamics simulations of equilibrium structures and Couette flows of polar water molecules and nonpolar argon atoms between bounding carbon substrates disposed at the distance h=1.5 nm from each other have been performed. Two symmetric configurations when both substrates have similar, either graphene - like crystalline or amorphous structures, and one asymmetric configuration consisted of one substrate with graphene - like crystalline structure and another substrate with amorphous structure have been considered. It has been found that, in all configurations under consideration, the Couette flow velocity profiles depend strongly on polarity of fluid particles c...Physics Letters AjournalsWed, 04 Dec 2019 17:08:33 +0100748484118The fractional discrete nonlinear Schrödinger equation
https://medworm.com/748484117/the-fractional-discrete-nonlinear-schrdinger-equation/
Publication date: Available online 3 December 2019Source: Physics Letters AAuthor(s): Mario I. MolinaAbstractWe examine a fractional version of the discrete nonlinear Schrödinger (dnls) equation, where the usual discrete laplacian is replaced by a fractional discrete laplacian. This leads to the replacement of the usual nearest-neighbor interaction to a long-range intersite coupling that decreases asymptotically as a power-law. For the linear case, we compute both, the spectrum of plane waves and the mean square displacement of an initially localized excitation in closed form, in terms of regularized hypergeometric functions, as a function of the fractional exponent. In the nonlinear case, we compute numerically the low-lying nonlinear modes of the system and their stability, as a functio...Physics Letters AjournalsWed, 04 Dec 2019 17:08:33 +0100748484117Non-Abelian gauge potentials driven localization transition in quasiperiodic optical lattices
https://medworm.com/747534834/non-abelian-gauge-potentials-driven-localization-transition-in-quasiperiodic-optical-lattices/
Publication date: Available online 22 November 2019Source: Physics Letters AAuthor(s): En Guo Guan, Hang Yu, Gang WangAbstractDerived from quantum waves immersed in an Abelian gauge potential, the quasiperiodic Aubry-André-Harper (AAH) model is a simple yet powerful Hamiltonian to study the Anderson localization of ultracold atoms. Here, we investigate the localization properties of ultracold atoms in quasiperiodic optical lattices subject to a non-Abelian gauge potential, which are depicted by non-Abelian AAH models. We identify that the non-Abelian AAH models can bear the self-duality. We analyze the localization of such non-Abelian self-dual optical lattices, revealing a rich phase diagram driven by the non-Abelian gauge potential involved: a transition from a pure delocalization phase...Physics Letters AjournalsSun, 01 Dec 2019 02:14:27 +0100747534834Lump-type solutions, rogue wave type solutions and periodic lump-stripe interaction phenomena to a (3 + 1)-dimensional generalized breaking soliton equation
https://medworm.com/747534819/lump-type-solutions-rogue-wave-type-solutions-and-periodic-lump-stripe-interaction-phenomena-to-a-/
Publication date: Available online 29 November 2019Source: Physics Letters AAuthor(s): L.T. Gai, W.X. Ma, M.C. LiAbstractIn this paper, we present a bilinear form for an extended (2+1)-dimensional generalized breaking soliton equation, namely, a (3+1)-dimensional generalized breaking soliton (GBS) equation, through using the Hirota direct method. Abundant lump-type solutions, rogue wave type solutions, breather lump wave solutions and interaction solutions are constructed, based on the Hirota bilinear form. Particularly, we generate a type of new interaction solutions in terms of a new combination of quadratic function, trigonometric function and exponential function, namely, a kind of periodic lump-stripe solitons, which is a sort of mixed type solutions of periodic lump-type solitons and...Physics Letters AjournalsSun, 01 Dec 2019 02:14:27 +0100747534819Deterministic twirling with low resources
https://medworm.com/747216400/deterministic-twirling-with-low-resources/
We present a general algebraic method allowing us to choose a set of - typically very few - unitary operators which, when applied randomly and repeatedly, produce the given twirling operation exponentially quickly. The method is applied to twirling operations for bipartite quantum systems with respect to the unitary group U(d)⊗U(d), an essential ingredient in entanglement distillation protocols. In particular, we provide a complete classification of sets of unitary operators capable of performing twirling on two qubits. Moreover, we construct a generic set containing at most three unitary operators achieving the twirling operation for a general two-qudit system. (Source: Physics Letters A)Physics Letters AjournalsFri, 29 Nov 2019 22:11:30 +0100747216400Room temperature high Giant Magnetoresistance graphene based spin valve and its application for realization of logic gates
https://medworm.com/747216399/room-temperature-high-giant-magnetoresistance-graphene-based-spin-valve-and-its-application-for-real/
In this study we carried out first principle calculations for spin dependent electronic transport in our proposed spintronic device consisting of graphene nanoribbon as scattering region with cobalt electrodes and magnesium oxide as tunneling barrier. The I–V Characteristics are calculated by using Non-Equilibrium Green's Function formalism in combination with Semi-Empirical (SE) Extended Huckel Theory (EHT) using Atomistic Tool Kit software at room temperature. The high value of GMR (Giant Magnetoresistance) is recommended for spintronic devices. The results reveal that the device shows a very high GMR ratio of 5.16×104%. The device also shows very low off state current, therefore negligible off state power consumption. The investigation of spin dependent non equilibrium transport is d...Physics Letters AjournalsFri, 29 Nov 2019 22:11:30 +0100747216399Quantum counterpart of measure synchronization: A study on a pair of Harper systems
https://medworm.com/747216398/quantum-counterpart-of-measure-synchronization-a-study-on-a-pair-of-harper-systems/
Publication date: Available online 28 November 2019Source: Physics Letters AAuthor(s): Saikat Sur, Anupam GhoshAbstractMeasure synchronization is a well-known phenomenon in coupled classical Hamiltonian systems over last two decades. Here, synchronization in a pair of coupled Harper systems is investigated both in classical and quantum contexts. It seems that the concept of measure synchronization is restricted in the classical limit as it involves with the phase space. We show the quantum counterpart of the synchronization in a pair of coupled quantum kicked Harper chains. In the quantum context, the coupling occurs between two spins chains via a time and site dependent potential. We use the average interaction energy between the participating systems as an order parameter in both the con...Physics Letters AjournalsFri, 29 Nov 2019 22:11:30 +0100747216398The Lambert-Kaniadakis Wκ function
https://medworm.com/747216397/the-lambert-kaniadakis-w-function/
Publication date: Available online 28 November 2019Source: Physics Letters AAuthor(s): J.L.E. da Silva, G.B. da Silva, R.V. RamosAbstractIn the present work, we introduce the Lambert-Kaniadakis Wκ function. It is a generalization of the Lambert W function that solves the equation Wκ(z)expκ(Wκ(z))=z, where expκ(z) is the κ-exponential, a generalization of the exponential function proposed by Kaniadakis. Following, the Wκ function is used in the definition of the κ-disentropy. Analytical results and numerical calculations of Wκ are shown, as well some applications of the κ-disentropy are discussed. (Source: Physics Letters A)Physics Letters AjournalsFri, 29 Nov 2019 22:11:30 +0100747216397Multiple bright and dark soliton solutions in three component spinor Bose-Einstein condensates
https://medworm.com/746898798/multiple-bright-and-dark-soliton-solutions-in-three-component-spinor-bose-einstein-condensates/
Publication date: Available online 27 November 2019Source: Physics Letters AAuthor(s): V. Rajadurai, V. Ramesh Kumar, R. RadhaAbstractWe investigate a quasi one dimensional spin-1 Bose-Einstein Condensates (BEC) in the absence of an external confinement governed by a system of three coupled Gross-Pitaevskii (GP) equation. Based on the Lax-pair, we construct one soliton solution employing gauge transformation method. In addition, the multiple bright and dark soliton solutions are obtained by properly choosing amplitude dependent parameter in the Lax-pair. The results of the paper emphasizes the richness in the structure of soliton solutions admitted by the spin components, a phenomenon which has never been brought out to the fore. We have also extended the gauge transformation method to gen...Physics Letters AjournalsThu, 28 Nov 2019 18:11:25 +0100746898798Effect of atomic configuration on band gap behaviour in CH3NH3SnxPb1−xI3 perovskites
https://medworm.com/746898797/effect-of-atomic-configuration-on-band-gap-behaviour-in-ch3nh3snxpb1xi3-perovskites/
Publication date: Available online 27 November 2019Source: Physics Letters AAuthor(s): Li Guan, Xiaofang Xu, Yanan Liang, Shichuang Han, Jianxin Guo, Jianglong Wang, Xu LiAbstractThe atomic structure and electronic properties of Sn/Pb mixed organometal halide perovskites were investigated by using first-principles method. The structure-dependent band gap behaviour of tetragonal and pseudocubic MASnxPb1−xI3 (0⩽x⩽1) was emphasized. The configurations with two or more adjacent Sn octahedra in the same layer inducing less tilting of neighbouring octahedra have the lower formation energy. For tetragonal or pseudocubic MASn0.5Pb0.5I3, the configuration of Sn octahedra layer alternating with Pb octahedra layer leads to elongated octahedra along the stacking direction, which stimulates the r...Physics Letters AjournalsThu, 28 Nov 2019 18:11:25 +0100746898797First-principles study on electronic and optical properties of S, N single-doped and S-N co-doped ZnO
https://medworm.com/746898796/first-principles-study-on-electronic-and-optical-properties-of-s-n-single-doped-and-s-n-co-doped-zn/
Publication date: Available online 27 November 2019Source: Physics Letters AAuthor(s): Wei-wei Liu, Cheng-lin Liu, Xiao-bo Chen, Jian-hua Lu, Hong-xia Chen, Zhong-zheng MiaoAbstractThe electronic and optical properties of undoped, N single-doped, S single-doped, and S-N co-doped ZnO were systematically investigated by first-principles calculations. The lattice parameters of S single-doped and S-N co-doped ZnO clearly increased. After N-doping, a strongly localized impurity energy level of N was formed near the Fermi level at the top of valence band (VB). In S-N co-doped ZnO, the localization of N weakened, and the Fermi level went deeper into the VB, indicating that the acceptor energy level of N formed in S-N co-doped system became shallower due to the effect of 3p state of S. Therefore, ...Physics Letters AjournalsThu, 28 Nov 2019 18:11:25 +0100746898796Insights on electronic structures, elastic features and optical properties of mixed-valence double perovskites Cs2Au2X6 (X=F, Cl, Br, I)
https://medworm.com/746898795/insights-on-electronic-structures-elastic-features-and-optical-properties-of-mixed-valence-double-p/
Publication date: Available online 27 November 2019Source: Physics Letters AAuthor(s): Xue Du, Dafang He, Huayue Mei, Yuhan Zhong, Nanpu ChengAbstractIn this work, we investigate the X-dependent crystal, electronic, elastic and optical properties of mixed-valence double perovskites Cs2Au2X6 (X=F, Cl, Br, I) based on first principles. The effects of all atomic sites, especially the [AuX2]− and [AuX4]− clusters with different valences of Au atoms, in the crystal structures of Cs2Au2X6 on their electronic and optical properties have been clarified. Meanwhile, Cs2Au2X6 double perovskites with direct band gaps have strong absorptions, low loss functions and low reflections, and they promise to be used as photoelectric absorption layers of solar cells. (Source: Physics Letters A)Physics Letters AjournalsThu, 28 Nov 2019 18:11:25 +0100746898795An elementary rigorous proof of bulk-boundary correspondence in the generalized Su-Schrieffer-Heeger model
https://medworm.com/746898794/an-elementary-rigorous-proof-of-bulk-boundary-correspondence-in-the-generalized-su-schrieffer-heeger/
Publication date: Available online 27 November 2019Source: Physics Letters AAuthor(s): Bo-Hung Chen, Dah-Wei ChiouAbstractWe generalize the Su-Schrieffer-Heeger (SSH) model with the inclusion of arbitrary long-range hopping amplitudes, providing a simple framework to investigate arbitrary adiabatic deformations that preserve the chiral symmetry upon the bulk energy bands with any arbitrary winding numbers. Using only elementary techniques of solving linear difference equations and applying Cauchy's integral formula, we obtain a mathematically rigorous and physically transparent proof of the bulk-boundary correspondence for the generalized SSH model. The multiplicity of robust zero-energy edge modes is shown to be identical to the winding number. On the other hand, nonzero-energy edge modes...Physics Letters AjournalsThu, 28 Nov 2019 18:11:25 +0100746898794Preparation and characterization of SiO2 nanowires using a SnO2 catalyst
https://medworm.com/746898793/preparation-and-characterization-of-sio2-nanowires-using-a-sno2-catalyst/
Publication date: Available online 27 November 2019Source: Physics Letters AAuthor(s): Hang Lv, Yan Tao, Xibao Yang, Jinglong Zhao, Shucheng Liu, Shuanglong Chen, Qiushi Wang, Ge Zhu, Xiaodong Lu, Bo Liu, Zhen YaoAbstractSiO2 nanowires have been successfully synthesized on the surface of the silicon substrate via a thermal evaporation method using SnO2 powders as the catalysts. The final synthesized product was systematically studied by X-ray powder diffraction (XRD), Raman spectroscopy (RS), scanning electron microscopy (SEM), and electron energy dispersive X-ray (EDX), UV-Visible absorption and photoluminescence (PL) spectroscopy. The results reveal that in the reaction and growth process, the real catalytic effect is Sn and SnOx, and the growth of SiO2 nanowire is most likely controlled...Physics Letters AjournalsThu, 28 Nov 2019 18:11:25 +0100746898793Friction behavior of monolayer molybdenum diselenide nanosheet under normal electric field
https://medworm.com/746739666/friction-behavior-of-monolayer-molybdenum-diselenide-nanosheet-under-normal-electric-field/
This study reveals a possibility of electronically controlling friction in two-dimensional MoSe2 system, with potential applications in solid lubricant and moving parts for MEMS devices. (Source: Physics Letters A)Physics Letters AjournalsThu, 28 Nov 2019 04:05:39 +0100746739666Bright solitary waves on a torus: Existence, stability and dynamics for the nonlinear Schrödinger model
https://medworm.com/746739665/bright-solitary-waves-on-a-torus-existence-stability-and-dynamics-for-the-nonlinear-schrdinger-m/
Publication date: Available online 26 November 2019Source: Physics Letters AAuthor(s): J. D'Ambroise, P.G. Kevrekidis, P. SchmelcherAbstractMotivated by recent developments in the realm of matter waves, we explore the potential of creating solitary waves on the surface of a torus. This is an intriguing perspective due to the role of curvature in the shape and dynamics of the coherent structures. We find different families of bright solitary waves for attractive nonlinearities including ones localized in both angular directions, as well as waves localized in one direction and homogeneous in the other. The waves localized in both angular directions have also been partitioned into two types: those whose magnitude decays to zero and those who do not. The stability properties of the waves are e...Physics Letters AjournalsThu, 28 Nov 2019 04:05:39 +0100746739665Raman-based measurement of carrier concentration in n-type ZnO thin films under resonant conditions
https://medworm.com/746739664/raman-based-measurement-of-carrier-concentration-in-n-type-zno-thin-films-under-resonant-conditions/
Publication date: Available online 26 November 2019Source: Physics Letters AAuthor(s): Zhuang Mao, Cong Fu, Xinhua Pan, Xiangyang Chen, Haiping He, Wei Wang, Yujia Zeng, Zhizhen YeAbstractFor Raman-based carrier concentration determination in thin film semiconductors, above-band-gap excitation is necessary, as the interference from underlying substrate is eliminated by limited photon penetration depth. With resonant Raman spectroscopy, this study investigates the plasmon-phonon coupled modes in n-type ZnO films to non-destructively probe the carrier concentration. The observed coupled mode slightly redshifts from A1(LO) frequency and fails to show monotonic carrier concentration dependency, which differs from the behavior under non-resonant conditions. The correlation between point defects...Physics Letters AjournalsThu, 28 Nov 2019 04:05:39 +0100746739664Overlaps of deformed and non-deformed harmonic oscillator basis states
https://medworm.com/746422914/overlaps-of-deformed-and-non-deformed-harmonic-oscillator-basis-states/
The objective is to provide analytical results for calculating these overlaps (transformation brackets) between deformed and non-deformed basis states in spherical, cylindrical, and Cartesian coordinates. These overlaps can be used for reducing the complexity of different research problems that employ three-dimensional harmonic oscillator basis states, for example as used in coherent state theory and the nuclear shell-model, especially within the context of ab initio symmetry-adapted no-core shell model. (Source: Physics Letters A)Physics Letters AjournalsTue, 26 Nov 2019 23:08:31 +0100746422914An ultra-thin acoustic metasurface with multiply resonant units
https://medworm.com/745626715/an-ultra-thin-acoustic-metasurface-with-multiply-resonant-units/
Publication date: Available online 22 November 2019Source: Physics Letters AAuthor(s): Haozhen Zou, Pan Li, Pai PengAbstractIn this paper, we propose an ultra-thin acoustic metasurface constructed of multiply resonant units to manipulate reflected wavefront. As a counterpart to the Helmholtz resonator (with monopolar resonance) and membrane-type resonator (with dipolar resonance), the multiply resonator are used in metamaterials to induce strong quadrupolar resonance. Here we use the multiply resonator as a new kind of building blocks to make acoustic metasurfaces. The used multiply resonant unit is composed of solid materials, and the acoustic metasurface can work in a water background. We demonstrate that the proposed acoustic metasurface achieves good performance in anomalous reflection...Physics Letters AjournalsSun, 24 Nov 2019 00:11:31 +0100745626715Double optomechanically induced transparency in a Laguerre-Gaussian rovibrational cavity
https://medworm.com/745626714/double-optomechanically-induced-transparency-in-a-laguerre-gaussian-rovibrational-cavity/
Publication date: Available online 22 November 2019Source: Physics Letters AAuthor(s): Jia-Xin Peng, Zheng Chen, Qi-Zhang Yuan, Xun-Li FengAbstractThe optomechanically induced transparency (OMIT), an optomechanical analogue of electromagnetically induced transparency, is a very interesting interference phenomenon. Recently, the studies on the OMIT have been extended to double-OMIT by integrating more optical or mechanical subsystems such as mechanical oscillators, coupled cavities, and atoms in vibrational cavity. In this paper, we demonstrate the double-OMIT can be observed in Laguerre-Gaussian (L-G) rovibrational cavity which was proposed by Bhattacharya et al. (2008) [40], an analog of the double-OMIT in vibrational cavity. The double-OMIT in this research is naturally resulted from a s...Physics Letters AjournalsSun, 24 Nov 2019 00:11:31 +0100745626714Non-Abelian gauge potential driven localization transition in quasiperiodic optical lattices
https://medworm.com/745626713/non-abelian-gauge-potential-driven-localization-transition-in-quasiperiodic-optical-lattices/
Publication date: Available online 22 November 2019Source: Physics Letters AAuthor(s): En Guo Guan, Hang Yu, Gang WangAbstractDerived from quantum waves immersed in an Abelian gauge, the quasiperiodic Aubry-Andre-Harper (AAH) model is a simple yet powerful Hamiltonian to study the Anderson localization of ultracold atoms. Here, we investigate the localization properties of ultracold atoms in quasiperiodic optical lattices subject to a non-Abelian gauge, which are depicted by non-Abelian AAH models. We identify that the non-Abelian AAH models can bear the self-duality. We analyze the localization of such non-Abelian self-dual optical lattices, revealing a rich phase diagram driven by the non-Abelian gauge involved: a transition from a pure delocalization phase, then to coexistence phases, a...Physics Letters AjournalsSun, 24 Nov 2019 00:11:31 +0100745626713Optical characteristics of dilute gallium phosphide bismide: Promising material for near-infra photonic device applications
https://medworm.com/745307688/optical-characteristics-of-dilute-gallium-phosphide-bismide-promising-material-for-near-infra-photo/
We report the optical and electronic characteristics of GaP1−xBix bismide alloys with dilute composition 0≤x≤0.187 in the cubic zinc blende crystallographic phase calculated using a scalar relativistic Full Potential Linear Augmented Plane Wave method within Density Functional Theory. The equilibrium lattice constants are calculated using the improved generalized gradient approximation of Wu and Cohen in excellent agreement with experimental values. A quasi-linear dependence of the lattice parameters on Bi composition is obtained. Electronic structures such as the band gap, total density of states and partial density of states have been discussed using the recently developed approximate modified Becke–Johnson of Tran-Blaha with spin–orbit interaction (SOI) included. Electronic ba...Physics Letters AjournalsFri, 22 Nov 2019 19:41:27 +0100745307688Exploring the effect of dopant (Si, P, S, Ge, Se, and Sb) in arsenene: A DFT study
https://medworm.com/745307687/exploring-the-effect-of-dopant-si-p-s-ge-se-and-sb-in-arsenene-a-dft-study/
Publication date: Available online 21 November 2019Source: Physics Letters AAuthor(s): Qingxiao Zhou, Yanling Liu, Weiwei Ju, Qian Zhang, Jiahui LiAbstractThe structural, electronic and magnetic properties of arsenene were investigated using DFT (density functional theory). The charge transfer, large biding energies, and short bond lengths indicate that the doped structures are robust. Si, S, Ge and Se doping induce magnetic state in arsenene. The principal contribution to the magnetic moment is originates in the p-orbital of dopants and adjacent As atoms, as is suggested by the results of the application of PDOS (Projected Density of States). More importantly, the low effective mass of electrons in arsenene doped by Si, P and Sb implies high carrier mobility, which indicates the three typ...Physics Letters AjournalsFri, 22 Nov 2019 19:41:27 +0100745307687Solid-state synthesis and fluorescence properties of micron Bi2MoO6:Eu3+/C3N4 composite phosphors
https://medworm.com/745307686/solid-state-synthesis-and-fluorescence-properties-of-micron-bi2moo6eu3c3n4-composite-phosphors/
Publication date: Available online 21 November 2019Source: Physics Letters AAuthor(s): Xue Jiang, Shuangju Song, Jiahui Guo, Wenqing Lv, Yunshuai Li, Xiaoqing Guo, Xue Wang, Haiyan Liu, Yuanyuan Han, Liyong WangAbstractThe red emitting composite phosphors Bi2MoO6:Eu3+/C3N4 were prepared via a solid-state method and characterized by different techniques like XRD, SEM, FT-IR, Raman, UV-vis DRS and PL. The effects of reaction temperature and C3N4 amount on the structure and optical properties of Bi2MoO6 were studied in detail. The powder X-ray diffraction patterns showed that the crystal phase structure changed with the increase of temperature. Also, the introduction of C3N4 had a significant impact on photoluminescence properties, which provides a universal strategy for phosphors to improve ...Physics Letters AjournalsFri, 22 Nov 2019 19:41:27 +0100745307686Tunable electronic and optical properties of SnC/BAs heterostructure by external electric field and vertical strain
https://medworm.com/745307685/tunable-electronic-and-optical-properties-of-sncbas-heterostructure-by-external-electric-field-and-/
Publication date: Available online 21 November 2019Source: Physics Letters AAuthor(s): R.Q. Sheng, X.Q. Deng, Z.H. Zhang, Z.Q. FanAbstractBased on the first-principles method, we investigate the electronic structure of SnC/BAs van der Waals (vdW) heterostructure and find that it has an intrinsic type-II band alignment with a direct band gap of 0.22 eV, which favors the separation of photogenerated electron–hole pairs. The band gap can be effectively modulated by applying vertical strain and external electric field, displaying a large alteration of band gap via the strain and experiencing an indirect-to-direct band gap transition. Moreover, the band gap of the heterostructure varies almost linearly with external electric field, and the semiconductor-to-metal transition can be realized in ...Physics Letters AjournalsFri, 22 Nov 2019 19:41:27 +0100745307685Editors
https://medworm.com/745307669/editors/
Publication date: 31 January 2020Source: Physics Letters A, Volume 384, Issue 3Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 22 Nov 2019 19:41:27 +0100745307669Experimental and numerical study of the propagation of focused wave groups in the nearshore zone
https://medworm.com/744992804/experimental-and-numerical-study-of-the-propagation-of-focused-wave-groups-in-the-nearshore-zone/
Publication date: Available online 20 November 2019Source: Physics Letters AAuthor(s): Iskander Abroug, Nizar Abcha, Denys Dutykh, Armelle Jarno, François MarinAbstractThe propagation of focused wave groups in intermediate water depth and the shoaling zone is experimentally and numerically considered in this paper. The experiments are carried out in a two-dimensional wave flume and wave trains derived from Pierson-Moskowitz and JONSWAP spectrum are generated. The peak frequency does not change during the wave train propagation for Pierson-Moskowitz waves; however, a downshift of this peak is observed for JONSWAP waves. An energy partitioning is performed in order to track the spatial evolution of energy. Four energy regions are defined for each spectrum type. A nonlinear energy transfer b...Physics Letters AjournalsThu, 21 Nov 2019 15:11:35 +0100744992804Stochastic resonance in Hopfield neural networks for transmitting binary signals
https://medworm.com/744992803/stochastic-resonance-in-hopfield-neural-networks-for-transmitting-binary-signals/
Publication date: Available online 20 November 2019Source: Physics Letters AAuthor(s): Lingling Duan, Fabing Duan, François Chapeau-Blondeau, Derek AbbottAbstractWe investigate the stochastic resonance phenomenon in a discrete Hopfield neural network for transmitting binary amplitude modulated signals, wherein the binary information is represented by two stored patterns. Based on the potential energy function and the input binary signal amplitude, the observed stochastic resonance phenomena involve two general noise-improvement mechanisms. A suitable amount of added noise assists or accelerates the switch of the network state vectors to follow input binary signals more correctly, yielding a lower probability of error. Moreover, at a given added noise level, the probability of error can be...Physics Letters AjournalsThu, 21 Nov 2019 15:11:35 +0100744992803Estimation of the lowest limit of 1/f noise in semiconductor materials
https://medworm.com/744992802/estimation-of-the-lowest-limit-of-1f-noise-in-semiconductor-materials/
Publication date: Available online 20 November 2019Source: Physics Letters AAuthor(s): Ferdinand GrüneisAbstractA lowest limit of 1/f noise in semiconductor materials has not yet been reported; we do not even know if such a lowest limit exists. 1/f noise in semiconductors has recently been brought into relation with 1/f noise in quantum dots and other materials. These materials exhibit on-off states which are power-law distributed over a wide range of timescales. We transfer such findings to semiconductors, assuming that the g-r process is also controlled by such on-off states. As a result, we obtain 1/f noise which can be expressed as Hooge's relation. Based on the intermittent g-r process, we estimate the lowest limit of 1/f noise in semiconductor materials. We show that this limit is i...Physics Letters AjournalsThu, 21 Nov 2019 15:11:35 +0100744992802Entanglement in three coupled harmonic oscillators
https://medworm.com/744839127/entanglement-in-three-coupled-harmonic-oscillators/
Publication date: Available online 19 November 2019Source: Physics Letters AAuthor(s): Abdeldjalil Merdaci, Ahmed JellalAbstractWe develop an approach in solving exactly the problem of three-body oscillators including general quadratic interactions in the coordinates for arbitrary masses and couplings. We introduce a unitary transformation of three independent angles to end up with a diagonalized Hamiltonian. Using the representation theory of the group SU(3), we explicitly determine the solutions of the energy spectrum. Considering the ground state together with reduced density matrix, we derive the corresponding purity function that is giving rise to minimal and maximal entanglement under suitable conditions. The cases of realizing one variable among three is discussed and know results i...Physics Letters AjournalsThu, 21 Nov 2019 00:38:30 +0100744839127Analytical solution for the collapse motion of an empty hyper-spherical bubble in N dimensions
https://medworm.com/744839126/analytical-solution-for-the-collapse-motion-of-an-empty-hyper-spherical-bubble-in-n-dimensions/
Publication date: Available online 19 November 2019Source: Physics Letters AAuthor(s): Yupeng QinAbstractThe Rayleigh-Plesset equation including the surface tension for the collapse motion of an empty hyper-spherical bubble is considered. Firstly, the collapse time is derived. Secondly, a direct approach based on polynomial function is proposed and employed to construct the analytical solution for this case. It is shown that, when the surface tension is zero, the obtained analytical solution is equivalent to the known one but in a different form. In addition, we also discuss the influences of the relevant physical parameters on the collapse motion. (Source: Physics Letters A)Physics Letters AjournalsThu, 21 Nov 2019 00:38:30 +0100744839126Integrable turbulence for a coupled nonlinear Schrödinger system
https://medworm.com/743597925/integrable-turbulence-for-a-coupled-nonlinear-schrdinger-system/
Publication date: Available online 14 November 2019Source: Physics Letters AAuthor(s): Xi-Yang Xie, Sheng-Kun Yang, Chun-Hui Ai, Ling-Cai KongAbstractIn this manuscript, we aim to study turbulence for a coupled nonlinear Schrödinger system, and find the cause of the appearance of rogue waves in such system. The initial conditions are chosen as the constant backgrounds of unit amplitudes with random perturbations. We list some cases of the standard deviations of one component for the initial conditions, to investigate the influences of the initial conditions on the intensity profiles and peak amplitudes of the two chaotic fields. In addition, sets of complex eigenvalues are illustrated with three various standard deviations, from which we observe that Akhmediev breathers may split into sol...Physics Letters AjournalsSat, 16 Nov 2019 06:39:01 +0100743597925Editors
https://medworm.com/743129153/editors/
Publication date: 20 January 2020Source: Physics Letters A, Volume 384, Issue 2Author(s): (Source: Physics Letters A)Physics Letters AjournalsThu, 14 Nov 2019 11:11:33 +0100743129153Lorentzian solitary wave in a generalised nonlinear Schrödinger equation
https://medworm.com/742972834/lorentzian-solitary-wave-in-a-generalised-nonlinear-schrdinger-equation/
Publication date: Available online 12 November 2019Source: Physics Letters AAuthor(s): M.A. Rego-MonteiroAbstractWe obtain a travelling-wave solution of a generalised nonlinear Schrödinger equation with an additional term of the form Γ(ψ(x,t))=λψ(x,t)q, where λ and q are real constants. Moreover, we show that the density of energy of the system for the travelling-wave solution presents a Lorentzian solitary wave behaviour. (Source: Physics Letters A)Physics Letters AjournalsWed, 13 Nov 2019 20:43:20 +0100742972834Inter-relations between additive shape invariant superpotentials
https://medworm.com/742972833/inter-relations-between-additive-shape-invariant-superpotentials/
Publication date: Available online 12 November 2019Source: Physics Letters AAuthor(s): Jeffry V. Mallow, Asim Gangopadhyaya, Jonathan Bougie, Constantin RasinariuAbstractAll known additive shape invariant superpotentials in nonrelativistic quantum mechanics belong to one of two categories: superpotentials that do not explicitly depend on ħ, and their ħ-dependent extensions. The former group themselves into two disjoint classes, depending on whether the corresponding Schrödinger equation can be reduced to a hypergeometric equation (type-I) or a confluent hypergeometric equation (type-II). All the superpotentials within each class are connected via point canonical transformations. Previous work [19] showed that type-I superpotentials produce type-II via limiting procedures. In this paper ...Physics Letters AjournalsWed, 13 Nov 2019 20:43:20 +0100742972833Macroscopic instructions vs microscopic operations in quantum circuits
https://medworm.com/742972832/macroscopic-instructions-vs-microscopic-operations-in-quantum-circuits/
Publication date: Available online 12 November 2019Source: Physics Letters AAuthor(s): A. Veitia, M.P. da Silva, R. Blume-Kohout, S.J. van EnkAbstractIn many experiments on microscopic quantum systems, it is implicitly assumed that when a macroscopic procedure or “instruction” is repeated many times – perhaps in different contexts – each application results in the same microscopic quantum operation. But in practice, the microscopic effect of a single macroscopic instruction can easily depend on its context. If undetected, this can lead to unexpected behavior and unreliable results. Here, we design and analyze several tests to detect context-dependence. They are based on invariants of matrix products, and while they can be as data intensive as quantum process tomography, they do not...Physics Letters AjournalsWed, 13 Nov 2019 20:43:20 +0100742972832An approach for the calculation of local dielectric properties in nanosized systems on the basis of coupled dipoles method
https://medworm.com/742972831/an-approach-for-the-calculation-of-local-dielectric-properties-in-nanosized-systems-on-the-basis-of-/
Publication date: Available online 12 November 2019Source: Physics Letters AAuthor(s): Kirill A. EmelyanenkoAbstractDespite interest in a description of nanoscale systems properties, there is still a lack of methods that can grasp size dependence and variation across the interface of the static dielectric properties. We propose an approach for the calculation of local nanoscopic electric susceptibility and dielectric permittivity tensors in nanosized systems on the basis of the coupled dipoles method. Requiring only the polarizability of individual molecules, this approach allows one to determine the local dielectric properties of arbitrarily shaped nanoparticles as well as (semi)infinite bodies such as bulk material and infinite films, expanding our ability to predict and govern the behav...Physics Letters AjournalsWed, 13 Nov 2019 20:43:20 +0100742972831Unstable cAMP wave patterns during aggregation of Dictyostelium discoideum cells
https://medworm.com/742972830/unstable-camp-wave-patterns-during-aggregation-of-dictyostelium-discoideum-cells/
Publication date: Available online 12 November 2019Source: Physics Letters AAuthor(s): N.R. Zaoro, C.B. Tabi, A.S. Etémé, T.C. KofanéAbstractFlow-driven formation of unstable patterns of cyclic adenosine monophosphate (cAMP) is investigated in the Martiel-Goldbeter (MG) model. This is predicted via a complex Ginzburg-Landau equation, derived from the MG model, under the so-called modulational instability process. Regions of parameters where patterns exist are discussed analytically and verified numerically. Quasi-periodic waves, spiral seeds and chaotic patterns are found to control information driven in a colony of homogeneously distributed Dictyostelium discoideum cells under the change of the extracellular cAMP degradation rate (ke), the production rate of cAMP (σ) and the advection...Physics Letters AjournalsWed, 13 Nov 2019 20:43:20 +0100742972830Interaction stochasticity may hinder cooperation in the spatial public goods game
https://medworm.com/742661614/interaction-stochasticity-may-hinder-cooperation-in-the-spatial-public-goods-game/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): Shiping Gao, Te Wu, Long WangAbstractWe propose an analytic model to explore the effect of interaction stochasticity on the evolution of cooperation in spatial public goods game. The results show that whether cooperation can dominate in populations crucially depends on the player's probability of opting-out. Stochastic opting-out enhances cooperation as long as the probability of opting-out is less than a threshold depending on the graph's degree. Otherwise the promoting effect of spatial structures on cooperation is hindered even neutralized by stochastic opting-out. Moreover, there exists an intermediate optimal probability with which the advantage of cooperation over defection is maximized in the evolu...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661614Controlling dielectric properties of cBN by an ultrashort double-pulse light
https://medworm.com/742661609/controlling-dielectric-properties-of-cbn-by-an-ultrashort-double-pulse-light/
Publication date: Available online 11 November 2019Source: Physics Letters AAuthor(s): Xiaoshuang Kong, Feng Wang, Xiaoqin Zhang, Zehui Liu, Suna PangAbstractThe optical responses of wide band gap materials can be manipulated by a purposely designed ultrashort double-pulse light, based on the real-time time-dependent density functional theory. Taking the cubic boron nitride (cBN) as a typical example, we calculate the energy transfer from an ultrashort double-pulse light field to dielectric materials. We show that the purposely designed ultrashort double-pulse light and pulse train can reversibly manipulate the dielectric properties of cBN without damage. By tuning the parameters of light pulse, the cBN will change between isotropic, elliptic and hyperbolic for a particular light frequency...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661609Electronic and transport properties of zigzag phosphorene nanoribbons doped with ordered Si atoms
https://medworm.com/742661608/electronic-and-transport-properties-of-zigzag-phosphorene-nanoribbons-doped-with-ordered-si-atoms/
Publication date: Available online 11 November 2019Source: Physics Letters AAuthor(s): N. Liu, J.B. Liu, S.L. Wang, K.L. YaoAbstractUsing density functional theory (DFT) and the nonequilibrium Green's function method, we explored the electronic structures and transport properties of zigzag phosphorene nanoribbons (ZPNRs) with ordered doping of Si atoms. Our results show that both pristine and Si-doped ZPNRs exhibit metallic properties and the conductance of the doped ZPNRs nanoribbons can be modulated effectively by changing doping positions and concentrations. As different doping positions, different transmission currents can be obtained even with the same doping concentration. Moreover, current amplification factors vary with the doping concentrations. In addition, compared with the pris...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661608Spin dependent electronic transport properties of zigzag black phosphorene nanojunctions induced by H, Li, O, Co asymmetric edge saturations
https://medworm.com/742661607/spin-dependent-electronic-transport-properties-of-zigzag-black-phosphorene-nanojunctions-induced-by-/
Publication date: Available online 11 November 2019Source: Physics Letters AAuthor(s): Aihemaitijiang Sidike, Guanghua Guo, Xiaobo Li, Dongde Li, Yaozhuang Nie, Biaobing Cao, Haiming Duan, Mengqiu LongAbstractTwo-dimensional (2D) material of few-layer black phosphorus (BP) has recently attracted extensive interest owing to its tunable band gap and high carrier mobility. We investigate the electronic transport properties of zigzag black phosphorene nanoribbons (ZBPNRs) with asymmetric H, Li, O and Co edge saturations by employing the density functional theory in combination with the non-equilibrium Green's function. The computational results forecast that different types of saturated atoms at both edge of ribbons mainly contribute to the electronic transport properties of molecular junction...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661607The ground state and the tunnelling dynamics of the Bose-Einstein condensate in a tilted shallow trap
https://medworm.com/742661606/the-ground-state-and-the-tunnelling-dynamics-of-the-bose-einstein-condensate-in-a-tilted-shallow-tra/
Publication date: Available online 11 November 2019Source: Physics Letters AAuthor(s): Yue Jian, Xin Qiao, Yan-Chao Zhang, Ai-Xia Zhang, Ju-Kui XueAbstractThe ground state and the tunnelling dynamics of the Bose-Einstein condensate (BEC) loaded in a tilted shallow trap is studied analytically and numerically. The stable bound state, the quasi-bound state and the diffusion state are predicted. The thresholds for transition between the different states are obtained and the stability diagram in parameter space is presented. The tunnelling dynamics of the system in different states is revealed. The shape of the potential well and the atomic interaction play important role and have coupled effect on the tunnelling dynamics of the system. Furthermore, the resonant tunnelling phenomenon in the pa...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661606Amantadine antiparkinsonian drug adsorption on the AlN and BN nanoclusters: A computational study
https://medworm.com/742661605/amantadine-antiparkinsonian-drug-adsorption-on-the-aln-and-bn-nanoclusters-a-computational-study/
Publication date: Available online 11 November 2019Source: Physics Letters AAuthor(s): Xianghong Sun, Xiaona Wan, Guichen Li, Jing Yu, Vahid VahabiAbstractTo find a sensor for Amantadine (AM) antiparkinsonian drug, we studied its interaction with Al12N12 and B12N12 nanoclusters by density functional theory calculations. The AM molecule attaches via its –NH2 group to the Al or B atoms of Al12N12 or B12N12 with Gibbs free energy change about −31.5 or −26.1 kcal/mol. Increasing the AM concentration, the interaction becomes weaker due to steric effects. The AM adsorbs on the Al12N12 and B12N12 with two different mechanisms, including electrostatic and charge transfer, respectively. The AM significantly reduces the Al12N12 work function from 4.50 to 3.66 eV, increasing the electron field ...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661605Different indicators for Markovian and non-Markovian dynamics
https://medworm.com/742661604/different-indicators-for-markovian-and-non-markovian-dynamics/
Publication date: Available online 11 November 2019Source: Physics Letters AAuthor(s): K. El Anouz, A. El Allati, N. MetwallyAbstractThe Markovianity/non-Markovianity of two different systems are discussed by means of the quantum speed limit time and quantum Fisher information. The first system is described by a central mass particle interacts locally with its surrounding particles, while the second and third models consist of a single qubit interacts with a non-detuning Lorentzian cavity and with a thermal reservoir, respectively. For the first model, the large distance between the central particle and the surrounding particles is guaranty for a fixed quantum speed limit, while the driving time plays the central role on the fixed behavior of the quantum speed limit time. Due to the stable...Physics Letters AjournalsTue, 12 Nov 2019 16:35:56 +0100742661604Unfolding pathway and its identifiability in heterogeneous chains of bistable units
https://medworm.com/741884292/unfolding-pathway-and-its-identifiability-in-heterogeneous-chains-of-bistable-units/
Publication date: Available online 9 November 2019Source: Physics Letters AAuthor(s): Manon Benedito, Stefano GiordanoAbstractWe investigate the behavior of a chain of bistable units with an heterogeneous distribution of energy jumps between the folded and unfolded states. For homogeneous chains, loaded by soft or hard devices, all units at each switching occurrence have the same probability to unfold and it is therefore impossible to identify an unfolding pathway. Conversely, the heterogeneity represents a quenched disorder from the statistical mechanics point of view, and is able to break the symmetry eventually generating an unfolding pathway. We prove that the most probable pathway is realized by arranging the energy jumps in ascending order. Hence, the mechanics of this system is able...Physics Letters AjournalsSat, 09 Nov 2019 17:35:46 +0100741884292The role of spin-orbit coupling on the electronic structure properties of non-centrosymmetric La7Ir3 superconductor
https://medworm.com/741728371/the-role-of-spin-orbit-coupling-on-the-electronic-structure-properties-of-non-centrosymmetric-la7ir3/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): M. Sahakyan, V.H. TranAbstractWe have carried out the first-principles calculations of the electronic band structure properties of weakly electron correlated, non-centrosymmetric La7Ir3 superconductor (Tc = 2.25 K). We have utilized the GGA-PBE exchange-correlation functionals, implemented in the FP-LAPW ELK code to determine Electronic bands, Densities of States, Fermi surfaces and Electron localization functions. A comparative analysis of scalar relativistic and fully relativistic results reveals the presence of both asymmetric spin - orbit coupling (ASOC) and ordinary spin-orbit coupling (SOC). We have shown that the ASOC with an energy of ΔEASOC≈ 10-60 meV, corresponding to relatively low ratio ΔE...Physics Letters AjournalsSat, 09 Nov 2019 03:39:04 +0100741728371Interaction stochasticity may hinder cooperation in spatial public goods game
https://medworm.com/741728370/interaction-stochasticity-may-hinder-cooperation-in-spatial-public-goods-game/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): Shiping Gao, Te Wu, Long WangAbstractWe propose an analytic model to explore the effect of interaction stochasticity on the evolution of cooperation in spatial public goods game. The results show that whether cooperation can dominate in populations crucially depends on the player's probability of opting-out. Stochastic opting-out enhances cooperation as long as the probability of opting-out is less than a threshold depending on the graph's degree. Otherwise the promoting effect of spatial structures on cooperation is hindered even neutralized by stochastic opting-out. Moreover, there exists an intermediate optimal probability with which the advantage of cooperation over defection is maximized in the evolu...Physics Letters AjournalsSat, 09 Nov 2019 03:39:04 +0100741728370Frequency dependent hyperpolarizability and two photon excitations in hydrogen atom confined under classical plasma environment
https://medworm.com/741728369/frequency-dependent-hyperpolarizability-and-two-photon-excitations-in-hydrogen-atom-confined-under-c/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): Sukhamoy Bhattacharyya, Prasanta K. Mukherjee, Burkhard FrickeAbstractFrequency dependent dipole hyperpolarizability of hydrogen atom confined under classical plasma is estimated using nonlinear response theory under a monochromatic electromagnetic field. The screened Coulomb potential is used to model the classical plasma. Time-dependent variation perturbation theory with Slater basis is applied for the first time for such an analysis. As an offshoot, two photon excitations are obtained from the poles of frequency dependent hyperpolarizability. We have specifically studied two photon excited states 2s,3s/3d and 4s/4d from the ground 1s state of H atom. The positions and radial density profiles of two pho...Physics Letters AjournalsSat, 09 Nov 2019 03:39:04 +0100741728369Effects of Co content on microstructure and magnetic property of Fe81-xCoxZr7Mo2B9M1(M=Ge/Cu) alloys
https://medworm.com/741728368/effects-of-co-content-on-microstructure-and-magnetic-property-of-fe81-xcoxzr7mo2b9m1mgecu-alloys/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): Wanqiu Yu, Liping Lu, Zhong HuaAbstractFe80-xCoxZr7Mo2B10M1(x=10, 20, 30, 40; M=Cu/Ge) amorphous alloy ribbons prepared by melt spinning were annealed at crystallization peak temperatures. The crystallization peak temperature decreases with increasing Co content. The primary crystallization phase of all alloys is only α-Fe(Co) phase. The effects of Co content on grain size (D) and coercivity (Hc) of Cu-containing alloy and on those of Ge-containing alloys are different, i.e., with increasing Co content, both D and Hc of Cu-containing alloys increase gradually, but for Ge-containing alloys, both D and Hc decrease obviously and are still larger than those of Cu-containing alloys. Co content has few effects...Physics Letters AjournalsSat, 09 Nov 2019 03:39:04 +0100741728368In situ-monitored enhancement and quenching effect of Cu nanoclusters on Sm3+ photoluminescence in glass
https://medworm.com/741728367/in-situ-monitored-enhancement-and-quenching-effect-of-cu-nanoclusters-on-sm3-photoluminescence-in-g/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): José A. JiménezAbstractAn assessment of the influence of heat treatment temperature and retention time on the optical properties of a Cu+ and Sm3+ co-doped phosphate glass of interest to photonic applications is reported. Particularly, the enhancement of the orange-red photoluminescence (PL) from Sm3+ ions has been realized in the glass through the development of non-plasmonic Cu clusters. It was exposed during an in situ isothermal treatment wherein optical absorption and PL were monitored together in real time. Following the PL increase, a drop in the Sm3+ emission intensity was produced concurring with the appearance of Cu nanoparticles (NPs) exhibiting the surface plasmon resonance. Hence, the conne...Physics Letters AjournalsSat, 09 Nov 2019 03:39:04 +0100741728367Phonon focusing effect on thermal conductivity of hexagonal group III-nitrides and silicon carbide crystals
https://medworm.com/741728366/phonon-focusing-effect-on-thermal-conductivity-of-hexagonal-group-iii-nitrides-and-silicon-carbide-c/
Publication date: Available online 7 November 2019Source: Physics Letters AAuthor(s): D.A. Chernodoubov, A.V. InyushkinAbstractThermal conductivity κ of 4H-, 6H-SiC and wurtzite GaN, InN, AlN crystals is calculated accounting phonon focusing effect at low temperatures with only diffusive phonon boundary scattering. The orientation dependence of thermal conductivity is similar in these materials. Thermal conductivity is enhanced in the direction of approximately 45∘ to the c axis up to 27% for GaN, 24% for 6H-SiC, 32% for InN, and 9% for AlN compared to the isotropic case for the circular cross-section and finite-length samples. Contributions of transverse T1 and T2 modes are nearly the same, about 40–45%, while the focusing of T2 mode contributes essentially to the angular dependence ...Physics Letters AjournalsSat, 09 Nov 2019 03:39:04 +0100741728366Strong Jahn-Teller effect at NiO4 tetrahedron in NiCo2O4 spinel
https://medworm.com/741416947/strong-jahn-teller-effect-at-nio4-tetrahedron-in-nico2o4-spinel/
Publication date: Available online 6 November 2019Source: Physics Letters AAuthor(s): Dixing Ni, Shude Liu, Musheng Wu, Xueling Lei, Bo Xu, Seong-Chan Jun, Chuying OuyangAbstractThe local structural distortion and electronic structure of the NiCo2O4 spinel are studied from first-principles calculations. It is found that very strong Jahn-Teller (J-T) distortion occurs to the NiO4 tetrahedron and a large energy gain is obtained, leading to a substantial elongation of the lattice and a cubic to tetragonal phase transition. Further analysis shows that the Ni-3d states are split by not only the broken Td symmetry of the NiO4, chemical bonding interactions also exist between half-occupied dyz and dxz orbitals, which further lower the energy levels of the occupied dyz and dxz states in the spin-u...Physics Letters AjournalsThu, 07 Nov 2019 23:11:52 +0100741416947Interfacial magnetic coupling and the confinement effect of spin electrons for τ-MnAl/Ni multilayers
https://medworm.com/741107181/interfacial-magnetic-coupling-and-the-confinement-effect-of-spin-electrons-for-mnalni-multilayer/
Publication date: Available online 6 November 2019Source: Physics Letters AAuthor(s): Xianmin Zhang, Junwei Tong, Linrui Li, Liuxia Ruan, Fubo Tian, Gaowu QinAbstractThe interface energy and magnetic coupling of τ-MnAl/Ni were studied by first-principles calculations. It was found that τ-MnAl/Ni with Al terminal would be more steady. The magnetic coupling between τ-MnAl film and Ni films oscillated with increasing the thickness of Ni layer. Moreover, the couplings of τ-MnAl/Ni were ferromagnetic and antiferromagnetic when the number of Ni layers were even and odd, respectively. Based on the Fermi surface and energy band analysis, the observed oscillation was attributed to the quantum well states that formed by the confinement of the spin up and spin down band with Δ1 symmetry at Γ‾...Physics Letters AjournalsWed, 06 Nov 2019 18:03:06 +0100741107181Effects of hydroxyl groups and hydrogen passivation on the structure, electrical and optical properties of silicon carbide nanowires
https://medworm.com/740952313/effects-of-hydroxyl-groups-and-hydrogen-passivation-on-the-structure-electrical-and-optical-propert/
Publication date: Available online 4 November 2019Source: Physics Letters AAuthor(s): Ya-Hui Jia, Pei Gong, Shu-Long Li, Wan-Duo Ma, Xiao-Yong Fang, Ying-Ying Yang, Mao-Sheng CaoAbstractThe effects of hydrogen and hydroxyl passivation on the structure, electrical and optical properties of SiCNWs were investigated. The passivation performance of different atoms (groups) were discussed by analyzing the distribution of electronic states and the polarity of chemical bonds. The results show that passivation can improve the stability of SiCNWs structure, and the effect of hydroxyl is better than hydrogen passivation. And hydrogen and hydroxyl passivation both increase the band gap of SiCNWs, and the changing trend of band gap is relevant to the polarity of the covalent bond formed by the passiva...Physics Letters AjournalsWed, 06 Nov 2019 03:12:24 +0100740952313Editors
https://medworm.com/740952297/editors/
Publication date: 9 January 2020Source: Physics Letters A, Volume 384, Issue 1Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 06 Nov 2019 03:12:24 +0100740952297Dissipative optical solitons in asymmetric Rosen-Morse potential
https://medworm.com/739867752/dissipative-optical-solitons-in-asymmetric-rosen-morse-potential/
In this study, stability of solution is examined by numerical analysis to show that solitons are stable for some parameter ranges for both self-focusing and self-defocusing nonlinear modes. Dynamical properties such as evolution and transverse energy flow for both modes are also analyzed. Obtained results are useful for experimental designs and applications in related fields. (Source: Physics Letters A)Physics Letters AjournalsFri, 01 Nov 2019 22:05:47 +0100739867752Symmetry-breaking vortex-lattice of a binary superfluid in a rotating bucket
https://medworm.com/739867751/symmetry-breaking-vortex-lattice-of-a-binary-superfluid-in-a-rotating-bucket/
Publication date: Available online 31 October 2019Source: Physics Letters AAuthor(s): S.K. AdhikariAbstractWe study spontaneous-symmetry-broken phase-separated vortex lattice in a weakly interacting uniform rapidly rotating binary Bose superfluid contained in a quasi-two-dimensional circular or square bucket. For the inter-species repulsion above a critical value, the two superfluid components separate and form a demixed phase with practically no overlap in the vortex lattices of the two components, which will permit an efficient experimental observation of such vortices and study their properties. In case of a circular bucket with equal intra-species energies of the two components, the two components separate into two non-overlapping semicircular domains for all frequencies of rotation Ω...Physics Letters AjournalsFri, 01 Nov 2019 22:05:47 +0100739867751Hamiltonian nature of monopole dynamics
https://medworm.com/739867750/hamiltonian-nature-of-monopole-dynamics/
Publication date: Available online 31 October 2019Source: Physics Letters AAuthor(s): J.M. Heninger, P.J. MorrisonAbstractClassical electromagnetism with magnetic monopoles is not a Hamiltonian field theory because the Jacobi identity for the Poisson bracket fails. The Jacobi identity is recovered only if all of the species have the same ratio of electric to magnetic charge or if an electron and a monopole can never collide. Without the Jacobi identity, there are no local canonical coordinates or Lagrangian action principle. To build a quantum field of magnetic monopoles, we either must explain why the positions of electrons and monopoles can never coincide or we must resort to new quantization techniques. (Source: Physics Letters A)Physics Letters AjournalsFri, 01 Nov 2019 22:05:47 +0100739867750Earthquake forecast based on its nucleation stages and the ensuing electromagnetic radiations
https://medworm.com/739867749/earthquake-forecast-based-on-its-nucleation-stages-and-the-ensuing-electromagnetic-radiations/
Publication date: Available online 31 October 2019Source: Physics Letters AAuthor(s): V. Frid, A. Rabinovitch, D. BahatAbstractA schematic spatial model of an earthquake nucleation is analyzed, and the three stages of the process are identified. Accordingly, the electromagnetic radiations emitted by the fracturing phenomena accompanying each stage are analyzed and it is demonstrated, that the changes of parameters in the persistent specific shape of these radiations during the stages are significant. Specifically, we analyze radiation changes in frequency, directionality and amplitude together with their relations to the fractures' properties across the nucleation process. These results allow us to present a possible method of forecasting, several hours before earthquakes of large magnitud...Physics Letters AjournalsFri, 01 Nov 2019 22:05:47 +0100739867749A three-dimensional frequency selective structure based on the modes coupling of spoof surface plasmon and waveguide transmission
https://medworm.com/739867748/a-three-dimensional-frequency-selective-structure-based-on-the-modes-coupling-of-spoof-surface-plasm/
Publication date: Available online 31 October 2019Source: Physics Letters AAuthor(s): Wei Jiang, Ya Fan, Hua Ma, Jiafu Wang, Leilei Yan, Peng Han, Shaobo QuAbstractA three-dimensional frequency selective structure (3D FSS) was proposed by applying the spoof surface plasmon (SSP) structures into periodic waveguides, which realizes an enhanced broadband transmission in low frequencies, below the cut-off frequency of periodic waveguides. The transmission characteristics of SSP structures and periodic waveguides as well as their coupling modes are investigated by simulation and experiment method. According to our analysis, the pass-band of this 3D FSS can be customized through changing the values of structure parameters and it also has a good angular stability. In addition, this paper also pro...Physics Letters AjournalsFri, 01 Nov 2019 22:05:47 +0100739867748Theory of aerodynamic heating from molecular collision analysis
https://medworm.com/739557036/theory-of-aerodynamic-heating-from-molecular-collision-analysis/
Publication date: Available online 30 October 2019Source: Physics Letters AAuthor(s): Yi Tao, Zhongwu Li, Quan Han, Chengdong Sun, Yan Zhang, Yunfei ChenAbstractAn aerodynamic heating model is derived from molecular collision analysis, in which the rising temperature of a hypersonic flying object as a function of the flying speed in a classical dense monoatomic gas environment is set up. The model predicts that the rising temperature of the hypersonic flying object is independent of the gas density but depends linearly on the gas atomic mass. A nonequilibrium molecular dynamics simulation is carried out to verify the theoretical model. Also, through analyzing the vibrational density of states in the flying objects, it is found that the excited phonon frequency is near the collision frequen...Physics Letters AjournalsThu, 31 Oct 2019 16:39:13 +0100739557036A novel excitation scheme to enhance image resolution in dynamic atomic force microscopy
https://medworm.com/739557035/a-novel-excitation-scheme-to-enhance-image-resolution-in-dynamic-atomic-force-microscopy/
Publication date: Available online 30 October 2019Source: Physics Letters AAuthor(s): Mohammad Safikhani Mahmoudi, Arash BahramiAbstractWe propose a novel multifrequency excitation technique for the non-contact atomic force microscopy (AFM). The probe is excited at two frequencies that are far from resonances while their subtraction is close to the fundamental frequency. Due to combination resonance occurring in nonlinear systems, the response includes a term with frequency equal to subtraction of excitation frequencies. We suggest to employ this term as the main signal for imaging. It is found that the present excitation improves signal sensitivity to sample topography and increases resolution. This technique is especially convenient for highly-damped environments where non-contact AFMs a...Physics Letters AjournalsThu, 31 Oct 2019 16:39:13 +0100739557035Physical properties of ZnSe thin films: Air and vacuum annealing evolution to buffer layer applications
https://medworm.com/739557034/physical-properties-of-znse-thin-films-air-and-vacuum-annealing-evolution-to-buffer-layer-applicati/
Publication date: Available online 30 October 2019Source: Physics Letters AAuthor(s): Ritika Sharma, Himanshu, S.L. Patel, S. Chander, M.D. Kannan, M.S. DhakaAbstractIn order to develop high efficiency solar cell device by replacing conventional hazardous CdS window layer by environmental friendly Zn-based buffer layer, ZnSe thin films of thickness 100 nm were grown on glass and ITO substrates employing electron beam evaporation technique followed by air and vacuum annealing at temperature 100 °C, 200 °C and 300 °C. As-grown and annealed films were subjected to characterization tools like XRD, UV-Vis spectrophotometer, SEM, EDS and source meter. Structural results reveal to the amorphous phase, SEM images indicate uniform deposition without pin holes and EDS patterns conf...Physics Letters AjournalsThu, 31 Oct 2019 16:39:13 +0100739557034Interaction of phonons with discrete breathers in one-dimensional chain with tunable type of anharmonicity
https://medworm.com/739557033/interaction-of-phonons-with-discrete-breathers-in-one-dimensional-chain-with-tunable-type-of-anharmo/
Publication date: Available online 30 October 2019Source: Physics Letters AAuthor(s): F. Hadipour, D. Saadatmand, M. Ashhadi, A. Moradi Marjaneh, I. Evazzade, A. Askari, S.V. DmitrievAbstractIn this paper, we consider the interaction of small amplitude waves (phonons) with standing discrete breather (DB) in the one-dimensional chain of harmonically coupled particles interacting with the anharmonic one-site potential, which can be of hard-type or soft-type anharmonicity. The coefficients of phonon reflection and transmission are calculated numerically. It is found that for the case of hard-type anharmonicity (soft-type anharmonicity) DBs are more transparent for short-wavelength (long-wavelength) phonon waves, while they efficiently reflect short-wavelength (long-wavelength) phonons. In the...Physics Letters AjournalsThu, 31 Oct 2019 16:39:13 +0100739557033First-principles effective Hamiltonian calculations of the electrocaloric effect in ferroelectric BaxSr1−xTiO3
https://medworm.com/739091607/first-principles-effective-hamiltonian-calculations-of-the-electrocaloric-effect-in-ferroelectric-ba/
Publication date: Available online 28 October 2019Source: Physics Letters AAuthor(s): M. Tarnaoui, M. Zaim, M. Kerouad, A. ZaimAbstractFerroelectric materials possess largest thermal response upon variations of the applied electric field, however, the magnitude corresponding to electrocaloric effect (ECE) is relatively too small for cooling applications. Theoretical insight is therefore required to provide additional information, leading to better understanding of the electrocaloric effect with enhanced performance. In this work, electrocaloric effect in BaxSr1−xTiO3 (BST) ferroelectric ceramics is calculated from first-principles based effective Hamiltonian. The influence of the electric field and concentration on ferroelectric properties of BaxSr1−xTiO3 are investigated in detail. In...Physics Letters AjournalsTue, 29 Oct 2019 21:14:40 +0100739091607Spin-orbit interactions in semiconductor superlattice
https://medworm.com/739091606/spin-orbit-interactions-in-semiconductor-superlattice/
Publication date: Available online 28 October 2019Source: Physics Letters AAuthor(s): Ya-Fei HaoAbstractThe purpose of this paper is to theoretically investigate the spin-orbit interactions of common semiconductor superlattices. Spin splitting and spin-orbit interaction coefficients are calculated based on interactions between the interface-related-Rashba effect and Dresselhaus effect. Semiconductor superlattice shows a series of specific characteristics in spin splitting as follows. The spin splitting of the superlattice structure is greater than that of a single quantum well, contributing to significant spin polarization, spin filtering, and convenient manipulation of spintronic devices. The spin splitting of some superlattice structures does not change with variation of the size of some...Physics Letters AjournalsTue, 29 Oct 2019 21:14:40 +0100739091606Second harmonic Hamiltonian: Algebraic and Schrödinger approaches
https://medworm.com/739091605/second-harmonic-hamiltonian-algebraic-and-schrdinger-approaches/
Publication date: Available online 28 October 2019Source: Physics Letters AAuthor(s): T. Mohamadian, H. Panahi, J. NegroAbstractWe study in detail the behavior of the energy spectrum for the second harmonic generation (SHG) and a family of corresponding quasi-exactly solvable Schrödinger potentials labeled by a real parameter b. The eigenvalues of this system are obtained by the polynomial deformation of the Lie algebra sl(2,R) representation space. We have found the bi-confluent Heun equation (BHE) corresponding to this system in a differential realization approach, by making use of the symmetries. By means of a b-transformation from this second-order equation to a Schrödinger one, we have found a family of quasi-exactly solvable potentials. For each invariant n-dimensional subspace of ...Physics Letters AjournalsTue, 29 Oct 2019 21:14:40 +0100739091605One-loop effective potential for two-dimensional competing scalar order parameters
https://medworm.com/739091604/one-loop-effective-potential-for-two-dimensional-competing-scalar-order-parameters/
Publication date: Available online 28 October 2019Source: Physics Letters AAuthor(s): Nei Lopes, Mucio A. Continentino, Daniel G. BarciAbstractUsing the method of the effective potential of quantum field theory, we compute the quantum corrections to the phase diagram of systems with competing order parameters. This is specially useful to study metallic systems with competing antiferromagnetic and superconducting ground states. We focus on the two-dimensional case that is relevant for high Tc superconductors and heavy fermion systems. We consider two different types of couplings between the order parameters and obtain the modifications in the phase diagrams due to critical quantum fluctuations in these systems with conflicting orders. We consider z=1, as well as, a dissipative z=2 dynamics,...Physics Letters AjournalsTue, 29 Oct 2019 21:14:40 +0100739091604Non-Hermitian anomalous skin effect
https://medworm.com/739091603/non-hermitian-anomalous-skin-effect/
Publication date: Available online 28 October 2019Source: Physics Letters AAuthor(s): C. YuceAbstractA non-Hermitian topological insulator is fundamentally different from conventional topological insulators. The non-Hermitian skin effect arises in a nonreciprocal tight binding lattice with open edges. In this case, not only topological states but also bulk states are localized around the edges of the nonreciprocal system. We discuss that controllable switching from topological edge states into topological extended states in a chiral symmetric non-Hermitian system is possible. We show that the skin depth decreases with non-reciprocity for bulk states but increases with it for topological zero energy states. (Source: Physics Letters A)Physics Letters AjournalsTue, 29 Oct 2019 21:14:40 +0100739091603Approximation of quantum assemblages
https://medworm.com/738315748/approximation-of-quantum-assemblages/
Publication date: Available online 25 October 2019Source: Physics Letters AAuthor(s): Xiaojing Yan, Zhi Yin, Longsuo LiAbstractIn this paper, we derive a set of projectors on a large Hilbert space which can universally work for approximating quantum assemblages with binary inputs and outputs. The dimension of the Hilbert space depends on the accuracy of the approximation. (Source: Physics Letters A)Physics Letters AjournalsSat, 26 Oct 2019 22:02:54 +0100738315748Dynamics of emotional contagion in dense pedestrian crowds
https://medworm.com/738315747/dynamics-of-emotional-contagion-in-dense-pedestrian-crowds/
Publication date: Available online 25 October 2019Source: Physics Letters AAuthor(s): Tengfei Xu, Dongdong Shi, Juan Chen, Tao Li, Peng Lin, Jian MaAbstractIn places with high-density pedestrian movements, irrational emotions can quickly spread out under emergency, which may eventually lead to asphyxiation and crushing. It was noticed that a pedestrian's emotion in crowd would change as a result of the influence from other pedestrians. Thus, to explore the dynamics of emotion contagion process in flowing dense pedestrians, two types of pedestrian emotions, i.e., negative and positive have been identified. Taking into account the emotional transit of a pedestrian, a crowd movement model is established in the present paper. We simulate pedestrian movement in a region with periodic boundary c...Physics Letters AjournalsSat, 26 Oct 2019 22:02:54 +0100738315747Temporal and spatial resolutions of optical time stretch imaging with dispersive grating pair
https://medworm.com/738006188/temporal-and-spatial-resolutions-of-optical-time-stretch-imaging-with-dispersive-grating-pair/
Publication date: Available online 24 October 2019Source: Physics Letters AAuthor(s): Lei Yang, Qian Zhu, Chao Wang, Hui Chen, Jincheng Li, Hongbo XieAbstractOptical time stretch imaging (OTSI), providing the capability of capturing the dynamics of fast single-shot or random events, overcomes the fundamental trade-off between imaging speed and sensitivity in ultrafast imaging regions. Lying at the heart of the OTSI is dispersive Fourier transformation, being capable of using large chromatic dispersion to map the spectrum of a broadband ultrashort optical pulse into a stretched time-domain waveform. Dispersive grating pair (DGP) is a unique solution to generate large chromatic dispersion for dispersive Fourier transformation at the wavebands, in which dispersion compensation fibers commonly...Physics Letters AjournalsFri, 25 Oct 2019 17:09:20 +0100738006188Performance improvement of unidimensional continuous-variable quantum key distribution using heralded hybrid linear amplifier
https://medworm.com/738006187/performance-improvement-of-unidimensional-continuous-variable-quantum-key-distribution-using-heralde/
Publication date: Available online 24 October 2019Source: Physics Letters AAuthor(s): Kunlin Zhou, Zhiya Chen, Ying Guo, Qin LiaoAbstractWe propose an improved scheme for unidimensional continuous-variable quantum key distribution (UCVQKD) using heralded hybrid linear amplifier, aiming to simplify the implementation and improve secret key rate. Different from the symmetrical continuous-variable quantum key distribution protocol (CVQKD), this scheme modulates one quadrature of the coherent state with security insurance. The heralded hybrid linear amplifier concatenates a deterministic linear amplifier (DLA) and a noiseless linear amplifier (NLA), which can tune between the high-gain or high noise-reduction for performance enhancement. Security analysis shows that the proposed scheme can be ...Physics Letters AjournalsFri, 25 Oct 2019 17:09:20 +0100738006187Nonlinear integrable systems containing the canonical subsystems of distinct physical origins
https://medworm.com/738006186/nonlinear-integrable-systems-containing-the-canonical-subsystems-of-distinct-physical-origins/
Publication date: Available online 24 October 2019Source: Physics Letters AAuthor(s): Oleksiy O. VakhnenkoAbstractFour new semi-discrete nonlinear integrable systems relevant for physical applications are suggested. Each system contains two coupled subsystems of distinct physical origin. These integrable hybridizations are (1) the Toda-like subsystem coupled with the induced-trapping subsystem of PT-symmetric excitations, (2) the subsystem of Frenkel-like excitons coupled with the subsystem of nontrivial vibrations, (3) two coupled self-trapping subsystems, (4) the Toda-like subsystem coupled with the self-trapping subsystem akin to the charged particle with electromagnetic field. Each hybrid system admits the clear Hamiltonian representation characterized by two pairs of canonical field v...Physics Letters AjournalsFri, 25 Oct 2019 17:09:20 +0100738006186Editors
https://medworm.com/738006169/editors/
Publication date: 27 December 2019Source: Physics Letters A, Volume 383, Issue 36Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 25 Oct 2019 17:09:20 +0100738006169A novel metallic silicon hexaboride, Cmca-B6Si
https://medworm.com/737851652/a-novel-metallic-silicon-hexaboride-cmca-b6si/
This study gives a fundamental investigation on the structural, phonon, and electronic properties of Cmca-B6Si. (Source: Physics Letters A)Physics Letters AjournalsFri, 25 Oct 2019 02:14:58 +0100737851652Light emission properties in a double quantum dot molecule immersed in a cavity: Phonon-assisted tunneling
https://medworm.com/737851651/light-emission-properties-in-a-double-quantum-dot-molecule-immersed-in-a-cavity-phonon-assisted-tun/
Publication date: Available online 23 October 2019Source: Physics Letters AAuthor(s): Vladimir Vargas-Calderón, Herbert Vinck-PosadaAbstractTwo main mechanisms dictate the tunneling process in a double quantum dot: overlap of excited wave functions, effectively described as a tunneling rate, and phonon-assisted tunneling. In this paper, we study different regimes of tunneling that arise from the competition between these two mechanisms in a double quantum dot molecule immersed in a unimodal optical cavity. We show how such regimes affect the mean number of excitations in each quantum dot and in the cavity, the spectroscopic resolution and emission peaks of the photoluminescence spectrum, and the second-order coherence function which is an indicator of the quantumness of emitted light from...Physics Letters AjournalsFri, 25 Oct 2019 02:14:58 +0100737851651Strong chaos of fast scrambling yields order: Emergence of decoupled quantum information capsules
https://medworm.com/737851650/strong-chaos-of-fast-scrambling-yields-order-emergence-of-decoupled-quantum-information-capsules/
Publication date: Available online 23 October 2019Source: Physics Letters AAuthor(s): Masahiro Hotta, Koji YamaguchiAbstractThe information loss problem in black hole evaporation is one of fundamental issues. Its resolution requires more profound understanding of information storage mechanism in quantum systems. In this Letter, we argue that when multiple unknown parameters are stored in large entangled qudits, strong chaos generated by fast scrambling in high temperature limit yields an ordered information storage structure with decoupled quantum information capsules (QICs). A rotational isometry emerges in the quantum Fisher information metric. The isometry is expected to be observed in future experiments on cold atoms in a pure entangled state. We provide a QIC speculation of black hole...Physics Letters AjournalsFri, 25 Oct 2019 02:14:58 +0100737851650Investigation on thermal conductivity of graphene/Si heterostructure with different defect ratios and sizes
https://medworm.com/737851649/investigation-on-thermal-conductivity-of-graphenesi-heterostructure-with-different-defect-ratios-an/
Publication date: Available online 23 October 2019Source: Physics Letters AAuthor(s): Dongjing LiuAbstractThe thermal conductivity (TC) of graphene/Si heterostructures with different defect ratios and sizes was investigated using the molecular dynamics method. As the defect ratio of heterostructure increased, the TC decreased first sharply and then slowly under a high temperature stage. The TC of heterostructure also showed a significant size effect. This phenomenon was explained by phonon dispersion and flip competition. The phonon density of states for the graphene heterostructure with different defect ratios and sizes was obtained to understand the thermal transport mechanism. Analysis showed that with the increase in the defect ratio and when the flexural modes of the heterostructure b...Physics Letters AjournalsFri, 25 Oct 2019 02:14:58 +0100737851649Au-MoOx nanoparticles for LSPR hydrogen detection prepared by a facile anodizing method
https://medworm.com/737851648/au-moox-nanoparticles-for-lspr-hydrogen-detection-prepared-by-a-facile-anodizing-method/
Publication date: Available online 23 October 2019Source: Physics Letters AAuthor(s): M.A. Hosseini, M. Ranjbar, M. SajadiAbstractNowadays, the plasmonic properties of defective transition metal oxides, have attracted great attention in the sensing and catalyst applications. The aim of this paper is to fabricate plasmonic Au-MoOx nanoparticles (NPs) using a facile anodizing in liquid approach to be used as localized surface plasmon resonance (LSPR) hydrogen sensor. Firstly, dark blue MoOx nanosheets with a strong NIR (700–800 nm) LSPR band were obtained. The Au-MoOx NPs (Au size=5–7 nm) were then obtained by adding a gold cation into the blue MoOx liquid base. Thanks to the catalytic properties of Au NP, this system exhibited LSPR hydrogen sensing ability where the LSPR variations allo...Physics Letters AjournalsFri, 25 Oct 2019 02:14:58 +0100737851648Hall effect measurements using low ac magnetic fields and lock-in technique on field effect transistors with molybdenum disulfide channels
https://medworm.com/737534478/hall-effect-measurements-using-low-ac-magnetic-fields-and-lock-in-technique-on-field-effect-transist/
Publication date: Available online 22 October 2019Source: Physics Letters AAuthor(s): Yoshihiro Shimazu, Tatsuya Iwabuchi, Kensuke Arai, Inoru ShioyaAbstractHall effect measurements conventionally rely on the use of dc magnetic fields. For electronic devices made of ultrathin semiconducting materials, such as molybdenum disulfide (MoS2), the dc Hall effect measurements have practical difficulties. Here, we report the results of the Hall effect measurements using ac magnetic fields and a lock-in detection of the Hall voltage for field effect transistors with ultrathin MoS2 channels. The ac Hall effect measurements have some advantages over the dc measurements. The carrier concentration and the Hall mobility were estimated as a function of gate voltage from the results of the ac Hall effect ...Physics Letters AjournalsWed, 23 Oct 2019 21:38:56 +0100737534478Discrete symmetries and nonlocal reductions
https://medworm.com/737217806/discrete-symmetries-and-nonlocal-reductions/
Publication date: Available online 21 October 2019Source: Physics Letters AAuthor(s): Metin Gürses, Aslı Pekcan, Kostyantyn ZheltukhinAbstractWe show that nonlocal reductions of systems of integrable nonlinear partial differential equations are the special discrete symmetry transformations. (Source: Physics Letters A)Physics Letters AjournalsTue, 22 Oct 2019 16:38:46 +0100737217806Editors
https://medworm.com/737217790/editors/
Publication date: 16 December 2019Source: Physics Letters A, Volume 383, Issue 35Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 22 Oct 2019 16:38:46 +0100737217790Nonlinear, nondispersive wave equations: Lagrangian and Hamiltonian functions in the Hodograph transformation
https://medworm.com/736255118/nonlinear-nondispersive-wave-equations-lagrangian-and-hamiltonian-functions-in-the-hodograph-trans/
Publication date: Available online 16 October 2019Source: Physics Letters AAuthor(s): Francesco Pegoraro, Sergei V. BulanovAbstractThe hodograph transformation is generally used in order to associate a system of linear partial differential equations to a system of nonlinear (quasilinear) differential equations by interchanging dependent and independent variables. Here we consider the case when the nonlinear differential system can be derived from a Lagrangian density and revisit the hodograph transformation within the formalism of the Lagrangian-Hamiltonian continuous dynamical systems.Restricting to the case of nondissipative, nondispersive one-dimensional waves, we show that the hodograph transformation leads to a linear partial differential equation for an unknown function that plays th...Physics Letters AjournalsSat, 19 Oct 2019 02:11:34 +0100736255118On the scaling theory of antiferromagnetic ordering in frustrated Kondo lattices
https://medworm.com/736255117/on-the-scaling-theory-of-antiferromagnetic-ordering-in-frustrated-kondo-lattices/
Publication date: Available online 16 October 2019Source: Physics Letters AAuthor(s): V.Yu. IrkhinAbstractA scaling theory of the Kondo lattices with frustrated exchange interactions is developed, criterium of antiferromagnetic ordering being investigated. Depending on the bare model parameters, one or two quantum phase transitions into non-magnetic spin-liquid and Kondo Fermi-liquid ground states can occur with increasing the bare coupling constant. Whereas the renormalization of the magnetic moment in the ordered phase can reach orders of magnitude, spin fluctuation frequency and coupling constant are moderately renormalized in the spin-liquid phase. This justifies application of the scaling approach. (Source: Physics Letters A)Physics Letters AjournalsSat, 19 Oct 2019 02:11:34 +0100736255117Epidemic outbreaks on two-dimensional quasiperiodic lattices
https://medworm.com/736255116/epidemic-outbreaks-on-two-dimensional-quasiperiodic-lattices/
We present a novel kinetic Monte Carlo technique to study the susceptible-infected-removed model in order to simulate epidemic outbreaks on two quasiperiodic lattices, namely, Penrose and Ammann-Beenker. Our analysis around criticality is performed by investigating the order parameter, which is defined as the probability of growing a spanning cluster formed by removed sites, evolving from an initial system configuration with a single random chosen infective site. This system is studied by means of the cluster size distribution, obtained by the Newman-Ziff algorithm. Additionally, we obtained the mean cluster size, and a cumulant ratio to estimate the epidemic threshold. In spite of the quasiperiodic order moves the transition point, compared to periodic lattices, this is not able to alter ...Physics Letters AjournalsSat, 19 Oct 2019 02:11:34 +0100736255116Unidimensional continuous-variable quantum key distribution with discrete modulation
https://medworm.com/736255115/unidimensional-continuous-variable-quantum-key-distribution-with-discrete-modulation/
Publication date: Available online 16 October 2019Source: Physics Letters AAuthor(s): Wei Zhao, Ronghua Shi, Yanyan Feng, Duan HuangAbstractIn this paper, we proposed an unidimensional continuous-variable quantum key distribution (CV-QKD) protocol with discrete modulation, which waives the necessity in one of the quadrature modulations and further simplified the implementation of the CV-QKD protocol. On the basis of the Heisenberg uncertainty relation, we analyze the boundary between the unphysical and physical region. Besides, we utilize a novel proof approach to achieve a lower bound valid of transmission distance. This scheme shows an available method to further simplified the implementation of the QKD. (Source: Physics Letters A)Physics Letters AjournalsSat, 19 Oct 2019 02:11:34 +0100736255115A first-principle investigation of NO2 adsorption behavior on Co, Rh, and Ir-embedded graphitic carbon nitride: Looking for highly sensitive gas sensor
https://medworm.com/735611164/a-first-principle-investigation-of-no2-adsorption-behavior-on-co-rh-and-ir-embedded-graphitic-carb/
Publication date: Available online 15 October 2019Source: Physics Letters AAuthor(s): Hadi Basharnavaz, Aziz Habibi-Yangjeh, Seyed Hossein KamaliAbstractFirst-principle calculations were performed to investigate the adsorption behavior of NO2 gas on the pristine graphitic carbon nitride (gCN) and transition metals (TM)-embedded gCN systems (TM = Co, Rh, and Ir elements) in order to explore the sensing capabilities of gCN systems as toxic gas sensor. The results of adsorption energy revealed that NO2 gas was physisorbed on the pristine gCN, whereas this gas was strongly chemisorbed on the TM-embedded gCN. Additionally, it was found that the interaction of NO2 gas with Ir-embedded gCN (−4.47 eV) is much higher than those of the Co and Rh-embedded systems, alluding to its suitability as a h...Physics Letters AjournalsWed, 16 Oct 2019 16:16:13 +0100735611164Spatially separated spin carriers in three-ports graphene nanoribbons
https://medworm.com/735611163/spatially-separated-spin-carriers-in-three-ports-graphene-nanoribbons/
Publication date: Available online 15 October 2019Source: Physics Letters AAuthor(s): Mingjun Li, Bowen Zeng, Jin Xiao, Can Cao, Mengqiu LongAbstractExporting the different spin signals to different ports is of practical importance to graphene-based spintronic devices. In this work, we have designed a three-ports graphene nanoribbon (GNR) device by inserting square-shaped carbon tetragon (CT) into GNR symmetrically, and calculated the magnetic moment distribution and transmission spectrum by using first-principles calculation and quantum transport simulation. Our results show that CT can bring non-equivalent path for two spin transport channels resulting in one spin is easier to transport than the other in each output port. Overall whole model, the spin states would be separated in real sp...Physics Letters AjournalsWed, 16 Oct 2019 16:16:13 +0100735611163Stability of periodic progressive gravity wave solutions of the Whitham equation in the presence of vorticity
https://medworm.com/735611162/stability-of-periodic-progressive-gravity-wave-solutions-of-the-whitham-equation-in-the-presence-of-/
Publication date: Available online 15 October 2019Source: Physics Letters AAuthor(s): C. Kharif, M. Abid, J.D. Carter, H. KalischAbstractThe modulational instability of two-dimensional nonlinear traveling-wave solutions of the Whitham equation in the presence of constant vorticity is considered. It is shown that vorticity has a significant effect on the growth rate of the perturbations and on the range of unstable wavenumbers. Waves with kh greater than a critical value, where k is the wavenumber of the solution and h is the fluid depth, are modulationally unstable. This critical value decreases as the vorticity increases. Additionally, it is found that waves with large enough amplitude are always unstable, regardless of wavelength, fluid depth, and strength of vorticity. Furthermore, thes...Physics Letters AjournalsWed, 16 Oct 2019 16:16:13 +0100735611162Beyond the Vegard's law: solid mixing excess volume and thermodynamic potentials prediction, from end-members
https://medworm.com/735611161/beyond-the-vegards-law-solid-mixing-excess-volume-and-thermodynamic-potentials-prediction-from-en/
Publication date: Available online 15 October 2019Source: Physics Letters AAuthor(s): Marcello Merli, Alessandro PaveseAbstractA method has been developed, herein presented, to model binary solid solutions' volume, enthalpy and Gibbs energy using the energy state functions, E(V,S), of the end-members only. The E(V,S)s are expanded around an unknown mixing volume, VMix, and the fundamental equilibrium equation −(∂E/∂V)S=P is used to determine VMix. VMix allows us to model enthalpy, straightforwardly. The same argument holds using Helmholtz energy, F(V,T), in place of E(V,S), and the equilibrium equation becomes −(∂F/∂V)T=P. One can readily determine the Gibbs free energy, too. The method presented remarkably simplifies computing of solid mixings' thermodynamic properties and mak...Physics Letters AjournalsWed, 16 Oct 2019 16:16:13 +0100735611161Self-consistent mean-field theory to anisotropic ferrimagnetic chain with bond alternation
https://medworm.com/735290857/self-consistent-mean-field-theory-to-anisotropic-ferrimagnetic-chain-with-bond-alternation/
Publication date: Available online 14 October 2019Source: Physics Letters AAuthor(s): Xin Yang, Yuge Chen, Bin ChenAbstractWe investigate the finite temperature properties of anisotropic ferrimagnetic chain with bond alternation. The spin excitation spectrum as well as the thermodynamic quantities are calculated by means of the extended self-consistent mean-field theory. Two branches of energy spectrum are obtained and the energy gap between them is 1.7641 at zero temperature which agrees quite well with other numerical results. The contribution of bonding alternation δ, anisotropy λ and magnetic field H to the energy gap are present in this research. The other thermodynamic quantities varying with δ and λ, such as ground state energy e, free energy f, specific heat cm, magnetization m...Physics Letters AjournalsTue, 15 Oct 2019 11:06:27 +0100735290857A shape memory alloy-based tunable phononic crystal beam attached with concentrated masses
https://medworm.com/735290856/a-shape-memory-alloy-based-tunable-phononic-crystal-beam-attached-with-concentrated-masses/
Publication date: Available online 14 October 2019Source: Physics Letters AAuthor(s): Xu-Feng Lv, Shao-Feng Xu, Zhi-Long Huang, Kuo-Chih ChuangAbstractShape memory alloys (SMAs) in phononic crystals (PCs) or metamaterials mostly serve as smart inserts or local resonators to generate tunable bandgaps for other structures. In this letter, we address the method for creating tunable bandgaps in structures made of SMA. Specifically, we consider concentrated masses, realized by steel balls, as attachments on a SMA. To provide a design guideline, we derived the closed-form bandgap formula of the proposed SMA PC beam. As the bandgap order increases, the coefficient of the nth Bragg bandgap width decreases. In addition, the practical final beam enlarges bandgap edges than ideally infinite PCs or me...Physics Letters AjournalsTue, 15 Oct 2019 11:06:27 +0100735290856High coercivity in α-Fe2O3 nanostructures synthesized by surfactant-free microwave-assisted solvothermal method
https://medworm.com/734650912/high-coercivity-in-fe2o3-nanostructures-synthesized-by-surfactant-free-microwave-assisted-solvoth/
In this report, the cube-like shaped α-Fe2O3 nanostructures were prepared by the simple microwave-assisted solvothermal method without using any surfactants. The as-prepared samples were characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy and field emission scanning electron microscopy. The well dispersed and size-controlled cubic-like shaped α-Fe2O3 nanostructures were obtained by systematic variation of solvents, reaction temperature and time. The magnetic studies manifest that the magnetic properties of α-Fe2O3 samples are strongly dependent on the shape and size of the nanostructures. The maximum coercivity (Hc) ∼5.6 kOe is observed for Fe-160-30 sample, which is originating from the varying synthesis conditions, oriented sub-particle st...Physics Letters AjournalsSun, 13 Oct 2019 01:37:30 +0100734650912Preface
https://medworm.com/734650903/preface/
Publication date: Available online 11 October 2019Source: Physics Letters AAuthor(s): Ming Liu, Ziyao Zhou, Zhongqiang Hu (Source: Physics Letters A)Physics Letters AjournalsSun, 13 Oct 2019 01:37:30 +0100734650903Splitting and rotating of optical vortices due to non-circular symmetry in amplitude and phase distributions of host beams
https://medworm.com/734329847/splitting-and-rotating-of-optical-vortices-due-to-non-circular-symmetry-in-amplitude-and-phase-distr/
Publication date: Available online 10 October 2019Source: Physics Letters AAuthor(s): Guo Liang, Wenjing ChengAbstractDiscussed is the dynamics of optical vortices carrying multi-topological charges, which are nested in optical envelopes with non-circular symmetric amplitudes and phases. As a result of the non-circular symmetry either in amplitudes or in phases, the vortices can split in pairs from the centers of the host beams. During the splitting process of every constituent vortex, its carried integer charges evolves into fractional ones. Furthermore, an overall rotations of the host optical envelopes are found to happen in the splitting process. The theoretical results may find potential applications in beam shaping and engineering. (Source: Physics Letters A)Physics Letters AjournalsFri, 11 Oct 2019 21:12:21 +0100734329847Editors
https://medworm.com/734329830/editors/
Publication date: 5 December 2019Source: Physics Letters A, Volume 383, Issue 34Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 11 Oct 2019 21:12:21 +0100734329830Effects of electric and magnetic fields on electronic states and transport of a Hall bar
https://medworm.com/734009434/effects-of-electric-and-magnetic-fields-on-electronic-states-and-transport-of-a-hall-bar/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Gen-Hua Liu, Hui-Ying Zhou, Piao-Rong XuAbstractWe study the edge-state band and transport property for a HgTe/CdTe quantum well Hall bar under the combined coupling of a transverse electric field and a perpendicular magnetic field. It is demonstrated that a weak magnetic field can protect one of the two edge states, open or enlarge a gap of the other edge state in the Hall bar. However, an appropriate electric field can remove the gap, restoring the quantum spin Hall effect. Using the scattering matrix method, we study the electronic transport of the system. We find that the electric field can not only make the switch from pure spin-up to spin-down current, but also open or close the edge-state channels i...Physics Letters AjournalsThu, 10 Oct 2019 16:39:27 +0100734009434High thermoelectric performance can be achieved in two-dimensional (PbTe)2 layer
https://medworm.com/734009431/high-thermoelectric-performance-can-be-achieved-in-two-dimensional-pbte2-layer/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Caiyu Sheng, Dengdong Fan, Huijun LiuAbstractThe electronic, phonon and thermoelectric transport properties of (PbTe)2 layer are investigated by using first-principles pseudopotential method combined with Boltzmann transport equation. We demonstrate that there is a valley degeneracy of six for the top valence band, which leads to larger carrier concentration and thus higher electrical conductivity without obvious reduction in the Seebeck coefficient. Moreover, the intrinsic van der Waals interactions between neighboring Pb layers induce additional phonon scattering and thus ultrasmall lattice thermal conductivity. As a consequence, ZT>2.0 can be realized in a wide temperature region from 650 to 1000 K with...Physics Letters AjournalsThu, 10 Oct 2019 16:39:27 +0100734009431Enhancement of image quality by using metamaterial inspired energy harvester
https://medworm.com/734009426/enhancement-of-image-quality-by-using-metamaterial-inspired-energy-harvester/
Publication date: Available online 9 October 2019Source: Physics Letters AAuthor(s): Fatih Ozkan Alkurt, Olcay Altintas, Meliksah Ozakturk, Muharrem Karaaslan, Oguzhan Akgol, Emin Unal, Cumali SabahAbstractMetamaterial energy harvester based subwavelength imaging structure is presented. Besides, 2×2 array patch antenna is designed to create incident radiated signal towards the proposed harvester structure. Harvested energy is converted to DC voltage signal by using Schottky diodes and each cell is represented by 256 grey levelled pixel value. Therefore, any incident electromagnetic wave placed in the operating frequency range can be monitorized. In the experimental study, experiments are realized with and without antenna to investigate the effects of instantaneous electromagnetic waves an...Physics Letters AjournalsThu, 10 Oct 2019 16:39:27 +0100734009426Emergence of seismic metamaterials: Current state and future perspectives
https://medworm.com/733849887/emergence-of-seismic-metamaterials-current-state-and-future-perspectives/
Publication date: Available online 7 October 2019Source: Physics Letters AAuthor(s): Stéphane Brûlé, Stefan Enoch, Sébastien GuenneauAbstractFollowing the advent of electromagnetic metamaterials, researchers working in wave physics have translated concepts of engineered media to acoustics, elastodynamics and diffusion processes. In elastodynamics, seismic metamaterials have emerged in the last decade for soft soils structured at the meter scale, and have been tested with full-scale experiments on holey soils. Born in the soil, seismic metamaterials have emerged from the field of tuned-resonators buried in the soil, around building's foundations or near the soil-structure interface as local seismic isolators. Forests of trees have been interpreted as above-surface resonators, and coined...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849887Resonant-interaction-induced Rydberg antiblockade and its applications
https://medworm.com/733849886/resonant-interaction-induced-rydberg-antiblockade-and-its-applications/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Jin-Lei Wu, Jie Song, Shi-Lei SuAbstractDifferent from the conventional Rydberg antiblockade (RAB) regime that either requires weak Rydberg-Rydberg interaction (RRI), or compensates the RRI-induced energy shift by introducing off-resonant interactions, we show that RAB regime can be achieved by resonantly driving the transitions between ground state and Rydberg state under strong RRI. The Rabi frequencies are of small amplitude and time-dependent harmonic oscillation, which plays a critical role for the presented RAB. The proposed unconventional RAB regime is used to construct high-fidelity controlled-Z (CZ) gate and controlled-not (CNOT) gate in one step. Each atom requires single external driving. And th...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849886Detection of exhaled gas by γ-graphyne and twin-graphene for early diagnosis of lung cancer: A density functional theory study
https://medworm.com/733849885/detection-of-exhaled-gas-by-graphyne-and-twin-graphene-for-early-diagnosis-of-lung-cancer-a-dens/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Roya Majidi, Marzieh NadafanAbstractIn lung cancer, primary diagnosis is quite essential to guarantee human health. In this work, the capability of γ-graphyne and twin-graphene sheets to detect typical breath gases such as benzene, styrene, aniline, and o-toluidine is studied based on density functional theory. The results indicate that these gases are physisorbed on γ-graphyne and twin-graphene. Because of relatively low gas binding strength between gases and γ-graphyne and twin-graphene, these sheets can be proper for the practical gas sensors with a fast recovery rate. Both γ-graphyne and twin-graphene have semiconducting properties before and after gas adsorption. Adsorption of the gases decreases ...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849885High coercivity in α-FeO32 nanostructures synthesized by surfactant-free microwave-assisted solvothermal method
https://medworm.com/733849884/high-coercivity-in-feo32-nanostructures-synthesized-by-surfactant-free-microwave-assisted-solvoth/
In this report, the cube-like shaped α-Fe2O3 nanostructures were prepared by the simple microwave-assisted solvothermal method without using any surfactants. The as-prepared samples were characterized by X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy and field emission scanning electron microscopy. The well dispersed and size-controlled cubic-like shaped α-Fe2O3 nanostructures were obtained by systematic variation of solvents, reaction temperature and time. The magnetic studies manifest that the magnetic properties of α-Fe2O3 samples are strongly dependent on the shape and size of the nanostructures. The maximum coercivity (Hc) ∼ 5.6 kOe is observed for Fe-160-30 sample, which is originating from the varying synthesis conditions, oriented sub-particle s...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849884Gaussian states as minimum uncertainty states
https://medworm.com/733849883/gaussian-states-as-minimum-uncertainty-states/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Shuangshuang Fu, Shunlong Luo, Yue ZhangAbstractIn bosonic fields, Gaussian states, which consist of a rather wide family of states including coherent states, squeezed states, thermal states, etc., have many classical-like features, and are usually defined from the mathematical perspective in terms of characteristic functions. It is well known that some special Gaussian states, such as coherent states, are minimum uncertainty states for the conventional Heisenberg uncertainty relation involving canonical pair of position and momentum observables. A natural question arises as whether all Gaussian states can be characterized as minimum uncertainty states. In this work, we show that indeed Gaussian states coi...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849883Characteristics of anodic glow pulsed plasma
https://medworm.com/733849882/characteristics-of-anodic-glow-pulsed-plasma/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): M. Kiruthika, G. ShanmugavelayuthamAbstractUsing the triple Langmuir probe, the characteristics of the glowing plasma adjacent to a constricted anode is obtained. The glow discharge is generated by applying a train of high voltage pulses between the constricted anode and cylindrical cathode with a pulse frequency of 2 kHz at 50% duty cycle. The axial plasma characteristics along the central line of the anode shows crest and trough resembling a double layer. The bulk plasma showed uniform electron density outside the glow. The visual images show an enhancement in the volume of the glow consistent with the discharge current. The mechanism behind the particular double layer characteristics around the anode is...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849882Mechanical properties, lattice thermal conductivity, infrared and Raman spectrum of the fullerite C24
https://medworm.com/733849881/mechanical-properties-lattice-thermal-conductivity-infrared-and-raman-spectrum-of-the-fullerite-c2/
In this study, the stability, mechanical properties, lattice thermal conductivity, electronic structure, infrared and Raman spectrum of sp3 hybridized low-density fullerite C24 were investigated according to density functional theory (DFT) calculations. It was found that the fullerite C24 was both thermodynamic and dynamic stable. Quasi-harmonic approximation and Grüneisen parameter calculations clarified why the fullerite C24 had a positive thermal expansion coefficient at low temperature. The fullerite C24 also exhibited excellent mechanical properties. Interestingly, the Vickers hardness of carbon allotropes was found to almost be linear proportional to the density of a carbon material. HSE06 electronic structure calculations showed that it was a semiconductor with direct bandgap of 2....Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849881Gravitational wave emission from quadrupole Josephson junction device
https://medworm.com/733849880/gravitational-wave-emission-from-quadrupole-josephson-junction-device/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Victor AtanasovAbstractWe suggest a hybrid quantum mechanical/classical set up capable of gravitational wave emission. The proposed device consists of two superconducting tunneling junctions which act as quantum voltage-to-frequency converters and produce oscillation of the charges (masses) in the superconducting condensate. The classical interpretation of the set up is associated with the particular arrangement which leads to suppression of the dipole radiation and formation of time dependent quadrupole mass moment - the gravitational wave source. The proposed device converts electrical energy/momentum into gravitational ones thus suggesting a form of propulsion. Provided the reverse effect: curvature-to-...Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849880Nonlocal behaviors of spin correlations in the Haldane-Shastry model
https://medworm.com/733849879/nonlocal-behaviors-of-spin-correlations-in-the-haldane-shastry-model/
Publication date: Available online 8 October 2019Source: Physics Letters AAuthor(s): Maowen Tang, Yan HeAbstractThe nonlocal factors of spin correlations are introduced for lattice spin models. Based on this concept, we investigate the nonlocal behavior of the Haldane-Shastry model with or without ring frustration. The ground state and spin correlations of the Haldane-Shastry model are calculated for both even and odd number of spins, then the nonlocal factors can be deduced analytically. It is found that the nonlocal factor due the ring frustration is the same as the Heisenberg model. (Source: Physics Letters A)Physics Letters AjournalsThu, 10 Oct 2019 02:15:23 +0100733849879Comment on “Convergence towards asymptotic state in 1-D mappings: A scaling investigation” [Phys. Lett. A 379 (2015) (18–19) 1246-1250]
https://medworm.com/732408813/comment-on-convergence-towards-asymptotic-state-in-1-d-mappings-a-scaling-investigation-phys/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): Mauricio Girardi-Schappo, Marcelo H.R. TragtenbergAbstractNonequilibrium phase transitions are characterized by the so-called critical exponents, each of which is related to a different observable. Systems that share the same set of values for these exponents also share the same universality class. Thus, it is important that the exponents are named and treated in a standardized framework. In this comment, we reinterpret the exponents obtained by Teixeira et al. [1] for the logistic and cubic maps in order to correctly state the universality class of their bifurcations, since these maps may describe the mean-field solution of stochastic spreading processes. (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408813Bifurcations and solutions for the generalized nonlinear Schrödinger equation
https://medworm.com/732408812/bifurcations-and-solutions-for-the-generalized-nonlinear-schrdinger-equation/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): Lingxi Du, Yuhuai Sun, Dashan WuAbstractThe theory of bifurcations for dynamical system is employed to construct new exact solutions of the generalized nonlinear Schrödinger equation. Firstly, the generalized nonlinear Schrödinger equation was converted into ordinary differential equation system by using traveling wave transform. Then, the system's Hamiltonian, orbits phases diagrams are found. Finally, six families of solutions are constructed by integrating along difference orbits, which consist of Jacobi elliptic function solutions, hyperbolic function solutions, trigonometric function solutions, solitary wave solutions, breaking wave solutions, and kink wave solutions.Graphical abstract (Source: Phys...Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408812Fisher information for endohedrally confined hydrogen atom
https://medworm.com/732408811/fisher-information-for-endohedrally-confined-hydrogen-atom/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): Liangyong Wu, Shengqi Zhang, Bowen LiAbstractElectron localization and delocalization of endehedrally confined hydrogen atom has been investigated employing Fisher information theory. Confinement has been modeled using a spherical Gaussian-type potential. B-spline bases expansion method was used to solve the Schrödinger equation to obtain the required energy eigenvalues and the corresponding wave functions. Changes in energies with depths of potential are explained using Hellmann-Feynman theorem. The behavior of Fisher information against the confining potential depths and positions are demonstrated. Moreover, our results show that Fisher information is an effective way to measure the localization of vale...Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408811Separation coordinates in Hénon-Heiles systems
https://medworm.com/732408810/separation-coordinates-in-hnon-heiles-systems/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): Nicola SottocornolaAbstractIn this paper we apply the method of the Kowalewski's Conditions to separate the seven Hénon-Heiles integrable systems. For each of them we provide explicitly the separation coordinates in the form of eigenvalues of a matrix M called Control Matrix. A couple of systems (HH3 KK and HH4 1:12:16) are presented and discussed in a more general form than usually in the literature. We show that the process of separation of coordinates can be reduced, at the end, to the choice of a single function and, eventually, a vector field transversal to the Lagrangian foliation in an extended phase space. (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408810Free energy of nonideal two-component thermal plasma
https://medworm.com/732408809/free-energy-of-nonideal-two-component-thermal-plasma/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): A.V. Shavlov, V.A. DzhumandzhiAbstractThe free energy of nonideal two-component thermal plasma is calculated using the Poisson-Boltzmann equation. The possibility of the existence of a metastable state is shown for a component of heavy multicharged particles with particle charge values bounded from below and plasma temperature values bounded from above. The component of oppositely-charged light singly-charged particles and plasma generally do not feature the metastable state. (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408809Numerical and experimental investigations on the band-gap characteristics of metamaterial multi-span beams
https://medworm.com/732408808/numerical-and-experimental-investigations-on-the-band-gap-characteristics-of-metamaterial-multi-span/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): Shuaimin Hao, Zhijing Wu, Fengming Li, Chuanzeng ZhangAbstractA novel metamaterial multi-span beam with periodic simple supports and local resonators is designed and investigated. The frequency responses of the proposed metamaterial multi-span beam are computed by the spectral element method (SEM). The accuracy and feasibility of the SEM are verified by the finite element method (FEM) and the vibration experiments. The results show that the metamaterial multi-span beam could generate both the local resonance band-gaps in the low-frequency ranges and the Bragg band-gaps in the medium and high frequency regions. By adjusting the natural frequencies of the local resonators, the thickness of the base beam and ...Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408808Optical solitons with complex Ginzburg–Landau equation having three nonlinear forms
https://medworm.com/732408807/optical-solitons-with-complex-ginzburglandau-equation-having-three-nonlinear-forms/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): Saima Arshed, Anjan Biswas, Fouad Mallawi, Milivoj R. BelicAbstractThis paper secures, dark, singular and dark–singular combo optical soliton solutions to complex Ginzburg–Landau equation that is considered with three nonlinear forms. Two forms of integration architectures provide these solutions. (Source: Physics Letters A)Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408807Supersonic crowdion clusters in 2D Morse lattice
https://medworm.com/732408806/supersonic-crowdion-clusters-in-2d-morse-lattice/
Publication date: Available online 3 October 2019Source: Physics Letters AAuthor(s): I.A. Shepelev, E.A. Korznikova, D.V. Bachurin, A.S. Semenov, A.P. Chetverikov, S.V. DmitrievAbstractFor the first time, the class of simple N-crowdions is expanded to M×N-crowdions, dynamics of which is investigated in two-dimensional triangular Morse lattice by means of molecular dynamics simulations. The M×N-crowdions are excited by giving initial velocity V0 to the chosen M×N block of atoms along a close-packed direction. In the notations here N is the number of neighboring atoms in one close-packed row and M is the number of neighboring rows. The 2×1, 2×2 and 2×4-crowdions are chosen for consideration. It is found that the 2×1 and 2×2-crowdions demonstrate stable dynamics, while the 2×2-crowdi...Physics Letters AjournalsFri, 04 Oct 2019 19:12:23 +0100732408806Nonlocal heat conduction in suspended graphene
https://medworm.com/732091954/nonlocal-heat-conduction-in-suspended-graphene/
Publication date: Available online 2 October 2019Source: Physics Letters AAuthor(s): Mingtian XuAbstractIn order to investigate the mechanism of the extremely high thermal conductivity of the suspended graphene, a nonlocal heat conduction model of heat conduction in two-dimensional materials under a temperature gradient along the length direction is proposed. This model shows that the heat transport of the suspended graphene along the length direction under the nonlocal effect in the width and thickness directions demonstrates a similarity with the viscous Poiseuille flow between two parallel plates. Based on this model, the dimensional crossover of heat conduction in few-layer graphene is demonstrated and the impact of temperature variation on the thermal conductivity of graphene is inves...Physics Letters AjournalsThu, 03 Oct 2019 14:39:30 +0100732091954Ultra-broadband metamaterial absorber for infrared transparency window of the atmosphere
https://medworm.com/732091953/ultra-broadband-metamaterial-absorber-for-infrared-transparency-window-of-the-atmosphere/
Publication date: Available online 2 October 2019Source: Physics Letters AAuthor(s): Ling Li, Hongjie Chen, Zhengwei Xie, Weidong Chen, Wenpeng Zhang, Wuming Liu, Ling LiAbstractThe broadband absorber at the wavelength range from 8 to 13 μm has attracted much attention because this range is exactly the infrared transparency window of the atmosphere. In this Letter, we propose a new structure of ultra-broadband absorber, which is composed of a periodic array of single-sized titanium (Ti) patches and a sandwich (Ti/SiO2/Ti) plane. In the infrared transparency window of the atmosphere, the structure proposed can achieve nearly perfect absorption with the maximal absorptivity up to 99% for the wavelength range from 9.77 to 10.69 μm, and a high average absorptivity of 96.7% from 8 to 13 μm. ...Physics Letters AjournalsThu, 03 Oct 2019 14:39:30 +0100732091953The effect of probe-Ohmic environment coupling type and probe information flow on quantum probing of the cutoff frequency
https://medworm.com/732091952/the-effect-of-probe-ohmic-environment-coupling-type-and-probe-information-flow-on-quantum-probing-of/
Publication date: Available online 2 October 2019Source: Physics Letters AAuthor(s): Fahimeh Salari Sehdaran, Mohammad H. Zandi, Alireza BahrampourAbstractThis work aims to compare results of dissipating and pure dephasing single-qubit probes in characterizing the cutoff frequency of a harmonic reservoir Ohmic spectral density. In particular, we proved that a dissipating single-qubit improves the estimation precision of the cutoff frequency estimator. The information backflow and outflow of the dissipating and the dephasing single-qubit are compared. The relation between the quantum Fisher information and the information outflow and backflow of the probe is obtained. The results show that difference between the values of information outflow and backflow of a dissipating single-qubit is lar...Physics Letters AjournalsThu, 03 Oct 2019 14:39:30 +0100732091952Convective boson-fermion pairing mode in one-dimensional oscillating optical superlattice
https://medworm.com/731933075/convective-boson-fermion-pairing-mode-in-one-dimensional-oscillating-optical-superlattice/
Publication date: Available online 1 October 2019Source: Physics Letters AAuthor(s): Tieyan SiAbstractA convective pairing mode of a boson-fermion mixture of ultracold atoms confined in an optical superlattice can be induced by the transformation between two optical superlattice configurations. This convective pairing mode only exists in discrete momentum vector zones for pairing energy gaps. The energy spectrum of gapped states is characterized by topological winding numbers, which is characterized by topological winding numbers characterize the energy spectrum of gapped states. Two neighboring gapped states are bridged by an unstable chiral linear mode, which drives the boson-fermion pair into directional motion for a short period but remains static in the supersymmetric phase with time-...Physics Letters AjournalsThu, 03 Oct 2019 00:39:28 +0100731933075Pressure controllable phase transition in MoTe2 by the interlayer band occupancy
https://medworm.com/731933074/pressure-controllable-phase-transition-in-mote2-by-the-interlayer-band-occupancy/
Publication date: Available online 1 October 2019Source: Physics Letters AAuthor(s): J.G. Si, W.J. Lu, H.Y. Lv, B.C. Zhao, Y.P. SunAbstractHigh pressure can effectively control the phase transition of MoTe2 in experiment, but the mechanism is still unclear. In this work, we show by first-principles calculations that the phase transition is suppressed and 1T′ phase becomes more stable under high pressure, which originates from the pressure-induced change of the interlayer band occupancies near the Fermi energy. Specifically, the interlayer states of 1T′ phase tend to be fully occupied under high pressure, while they keep partially occupied for the Td phase. The increase of the band occupancies makes the 1T′ phase more favorable in energy and prevents the structure changing from 1T′ ...Physics Letters AjournalsThu, 03 Oct 2019 00:39:28 +0100731933074Editors
https://medworm.com/731933057/editors/
Publication date: 28 November 2019Source: Physics Letters A, Volume 383, Issue 33Author(s): (Source: Physics Letters A)Physics Letters AjournalsThu, 03 Oct 2019 00:39:28 +0100731933057Asymptotic behavior of two-electron expectation values in two-electron excited states
https://medworm.com/730827510/asymptotic-behavior-of-two-electron-expectation-values-in-two-electron-excited-states/
Publication date: Available online 27 September 2019Source: Physics Letters AAuthor(s): H.E. Montgomery, Jacob Katriel, K.D. SenAbstractSingly-excited states of the two-electron atom cease being bound when Z→1 (from above), the outer orbital becoming infinitely diffuse. The asymptotic relationslimZ→1(Z−1)k〈(1sns)1,3S|r12k|(1sns)1,3S〉=〈(n−1)s(0)|rk|(n−1)s(0)〉, where k=−1,1,2,3,⋯, are demonstrated to hold. Here, (n−1)s(0) is a hydrogenic s orbital with principal quantum number (n−1). New, more nuanced light is shed on the already challenged dogma that the Pauli principle keeps the electrons further apart in the triplet than in the corresponding singlet.Graphical abstract (Source: Physics Letters A)Physics Letters AjournalsSat, 28 Sep 2019 22:12:34 +0100730827510Security of continuous-variable measurement-device-independent quantum key distribution with imperfect state preparation
https://medworm.com/730514316/security-of-continuous-variable-measurement-device-independent-quantum-key-distribution-with-imperfe/
Publication date: Available online 26 September 2019Source: Physics Letters AAuthor(s): Hong-Xin Ma, Peng Huang, Tao Wang, Shi-Yu Wang, Wan-Su Bao, Gui-Hua ZengAbstractThe state preparation operation of continuous-variable measurement-device-independent quantum key distribution (CV-MDI-QKD) protocol may become imperfect in practical applications. We address the security of the CV-MDI-QKD protocol based on imperfect preparation of the coherent state under realistic conditions of lossy and noisy quantum channel. Specifically, we assume that the imperfection of Alice's and Bob's practical state preparations equal to the amplification of ideal modulators and lasers at both Alice's and Bob's sides by untrusted third-parties Fred and Gray employing phase-insensitive amplifiers (PIAs), respective...Physics Letters AjournalsFri, 27 Sep 2019 18:12:27 +0100730514316Editors
https://medworm.com/730514302/editors/
Publication date: 18 November 2019Source: Physics Letters A, Volume 383, Issue 32Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 27 Sep 2019 18:12:27 +0100730514302Encapsulation of glycine inside C60 fullerene: Impact of confinement
https://medworm.com/730199921/encapsulation-of-glycine-inside-c60-fullerene-impact-of-confinement/
Publication date: Available online 25 September 2019Source: Physics Letters AAuthor(s): Mozhgan Shahamirian, S.M. AzamiAbstractConfinement of glycine inside C60 fullerene (gly@C60) is analyzed via geometrical, energetic and deformation density of intermolecular interaction. Results shows that the both fragments are significantly deformed due to the compression imposed by the confinement. Also kinetic energy pressure and relaxation deformation density analyses are used to describe the nature of interaction between components, and topological analysis of the steric deformation density in gly@C60 was carried out to find the critical points of the charge deformation due to steric effects. The relevance between different types of energies and charge displacement show almost identical sensitivit...Physics Letters AjournalsThu, 26 Sep 2019 14:12:37 +0100730199921Effect of the third component on charge transfer character in ternary organic solar cells with a cascade-type electronic structure
https://medworm.com/730042377/effect-of-the-third-component-on-charge-transfer-character-in-ternary-organic-solar-cells-with-a-cas/
Publication date: Available online 24 September 2019Source: Physics Letters AAuthor(s): Lingxia Xu, Chong Li, Xiaotao Hao, Kun GaoAbstractBy incorporating a third component into the host donor/acceptor organic components, we theoretically investigate the effects of its electronic structure and spatial location on charge transfer character. It is found that both of the two factors can modulate the distribution of transferred charges, and thus change the role of the third component in charge transfer (i.e., electron donor or acceptor). The binding energy of the formed charge transfer (CT) state is also determined by the two factors. Especially, we find an optimized spatial location of the third component, at which the binding energy of the formed CT state has a minimum value. It suggests tha...Physics Letters AjournalsThu, 26 Sep 2019 00:09:23 +0100730042377Correlation effects and configuration of a one-dimensional bipolaron
https://medworm.com/730042376/correlation-effects-and-configuration-of-a-one-dimensional-bipolaron/
Publication date: Available online 24 September 2019Source: Physics Letters AAuthor(s): N.I. Kashirina, V.D. LakhnoAbstractThe aim of the work is to study the structure of a one-dimensional (1D) bipolaron, taking into account three types of correlation effects: such as interelectronic correlations caused by the direct dependence of the wave function on the distance between electrons as well as the one-center and two-center correlations. Gaussian orbitals with exponentially-correlated multipliers were used for variational calculations. In is shown that in the domain of existence of an 1D optical bipolaron – unlike in a 3D system – a two-center bipolaron is formed. The one-center bipolaron configuration becomes energetically favorable as compared to the two-center one for VC≤1.2 (where...Physics Letters AjournalsThu, 26 Sep 2019 00:09:23 +0100730042376Enhanced out-of-plane thermoelectric performance of Cmcm SnSe phase by uniaxial strain
https://medworm.com/730042375/enhanced-out-of-plane-thermoelectric-performance-of-cmcm-snse-phase-by-uniaxial-strain/
Publication date: Available online 24 September 2019Source: Physics Letters AAuthor(s): Donglin Guo, Chunhong Li, Qiqi Yang, Kejian Li, Bin Shao, Dengming Chen, Yilong Ma, Jianchun Sun, Xianlong Cao, Wen Zeng, Zhongchang Wang, Haie ZhuAbstractThe electronic structure and thermoelectric property of SnSe are calculated by first-principles methods and Boltzmann transport theory. The deformation potential approximation and single parabolic band model are employed to compute the relaxation time. Owing to the accurate electronic structure calculated by Tran-Blaha modified Becke-Johnson (TB-mBJ) potential, the theoretical data (Seebeck coefficient, electrical conductivity and figure of merit ZT) are in good agreement with experimental data. Results show that the uniaxial strain not only affects t...Physics Letters AjournalsThu, 26 Sep 2019 00:09:23 +0100730042375Modelling the effect of heterogeneous vaccination on metapopulation epidemic dynamics
https://medworm.com/729725828/modelling-the-effect-of-heterogeneous-vaccination-on-metapopulation-epidemic-dynamics/
Publication date: Available online 23 September 2019Source: Physics Letters AAuthor(s): Yongwang Gong, Michael SmallAbstractVaccination as an epidemic control strategy has a significant effect on epidemic spreading. In this paper, we propose a novel epidemic spreading model on metapopulation networks to study the impact of heterogeneous vaccination on epidemic dynamics, where nodes represent geographical areas and links connecting nodes correspond to human mobility between areas. Using a mean-field approach, we derive the theoretical spreading threshold revealing a non-trivial dependence on the heterogeneity of vaccination. Extensive Monte Carlo simulations validate the theoretical threshold and also show the complex temporal epidemic behaviours above the threshold. (Source: Physics Letter...Physics Letters AjournalsTue, 24 Sep 2019 19:12:28 +0100729725828Transmission control by asymmetric electromagnetically induced transparency-like metamaterials in transverse electromagnetic waveguide
https://medworm.com/729725827/transmission-control-by-asymmetric-electromagnetically-induced-transparency-like-metamaterials-in-tr/
Publication date: Available online 23 September 2019Source: Physics Letters AAuthor(s): Fulya Bagci, Baris AkaogluAbstractWe numerically and experimentally present passive and active electromagnetically induced transparency-like metamaterials in a TEM waveguide under normal excitation. Asymmetry of the metamaterial unit cell leads to the splitting of the radiative resonance. Surface current distributions are analyzed to account for each resonance. Moreover, by implementing a varactor diode to one of the gaps of the double-split ring resonator, electromagnetically induced transmission-like band is shifted in frequency and the corresponding bandwidth is modulated. A modulation ratio of 29.5 dB in transmission is experimentally demonstrated by only increasing the bias voltage 4 volts. (Source...Physics Letters AjournalsTue, 24 Sep 2019 19:12:28 +0100729725827Control of light in a quantized four level graphene atomic system via self and cross-Kerr nonlinearity
https://medworm.com/729725826/control-of-light-in-a-quantized-four-level-graphene-atomic-system-via-self-and-cross-kerr-nonlineari/
Publication date: Available online 23 September 2019Source: Physics Letters AAuthor(s): Usman Khan, Bakht Amin, Arif Ullah, Kefayat UllahAbstractWe investigate self and cross-Kerr nonlinearity in a four level quantized graphene atomic medium. The absorption, dispersion, transmission and subluminal/superluminal behaviors of a probe light field are studied. An amplification of the probe light field is observed in the absorption spectrum. The normal and anomalous slope of dispersion is also investigated at the positive/negative absorption region. It is shown that Kerr nonlinearity invert and enhance the subluminal/superluminal behaviors of the pulse and self-Kerr effect is found to be more subluminal/superluminal as compared to cross-Kerr effect. The results show significant applications in i...Physics Letters AjournalsTue, 24 Sep 2019 19:12:28 +0100729725826Comment on “Stabilization of trapless Bose-Einstein condensates without any management” [Phys. Lett. A, 383(17) (2019) 2033-2038]
https://medworm.com/729725825/comment-on-stabilization-of-trapless-bose-einstein-condensates-without-any-management-phys-l/
Publication date: Available online 23 September 2019Source: Physics Letters AAuthor(s): Zhao-Hui Wang, Ji-Xuan HouAbstractA recent paper by T. Ramakrishnan and S. Subramaniyan shows that there is an enhancement of the stability of the trapless BECs due to the inclusion of the higher-order interaction along with the two-and three-body interactions. We point out and correct the erroneous results calculated by the authors concerning the effective potential of the trapless BECs. In addition we have shown that the incorrect expression used by authors leads to notable discrepancies between such results and exact ones. Moreover, our numerical results coincide with our theoretical predictions. (Source: Physics Letters A)Physics Letters AjournalsTue, 24 Sep 2019 19:12:28 +0100729725825Convergence of chaotic attractors due to interaction based on closeness
https://medworm.com/729725824/convergence-of-chaotic-attractors-due-to-interaction-based-on-closeness/
Publication date: Available online 23 September 2019Source: Physics Letters AAuthor(s): Sayantan Nag Chowdhury, Soumen Majhi, Dibakar Ghosh, Awadhesh PrasadAbstractExploration of coherence phenomena in ensembles of interacting dynamical systems has been in the centre of research in social, physical, biological and technological systems for decades. But, in most of the studies, either completely percolated time- and space-static networks or temporal connectivities disregarding the systems' own dynamics have been dealt with. In this work, we examine the correlation between structural and dynamical evolution in networks of interacting dynamical systems. We specifically demonstrate the scenario of convergence of a set of chaotic attractors into a single attractor as a result of sufficient inte...Physics Letters AjournalsTue, 24 Sep 2019 19:12:28 +0100729725824Anisotropic strain effects on light emission characteristics of CdZnO/ZnO quantum well structures
https://medworm.com/729725823/anisotropic-strain-effects-on-light-emission-characteristics-of-cdznozno-quantum-well-structures/
Publication date: Available online 23 September 2019Source: Physics Letters AAuthor(s): Seoung-Hwan ParkAbstractAnisotropic strain effects by strain relaxation on TE-polarized light emission characteristics of c-plane CdZnO/ZnO quantum well (QW) structures were theoretically investigated by using the multiband effective-mass theory. The CdZnO/ZnO QW structure with anisotropic strain has much larger emission intensity than conventional CdZnO/ZnO QW structure without the strain relaxation. In the case of the strain relaxation along x(or y)-direction, the x(or y)-polarized light emission is observed to be larger than the x(or y)-polarized light emission. In particular, in the case of the strain relaxation along both x- and y-directions, the increase in the spontaneous emission peak is signifi...Physics Letters AjournalsTue, 24 Sep 2019 19:12:28 +0100729725823Electronic and transport properties of zigzag-edge monolayer/bilayer phosphorene nanoribbon junctions under a perpendicular electric field
https://medworm.com/728928402/electronic-and-transport-properties-of-zigzag-edge-monolayerbilayer-phosphorene-nanoribbon-junction/
Publication date: Available online 20 September 2019Source: Physics Letters AAuthor(s): Jie Gong, Benhu Zhou, Benliang ZhouAbstractWe study the electronic and transport properties of monolayer/bilayer/bilayer (ML/BL/BL) and monolayer/bilayer/monolayer (ML/BL/ML) zigzag-edge phosphorene nanoribbon (ZPNR) junctions modulated by a perpendicular electric field (PEF). Within the tight-binding model Hamiltonian and by adopting the nonequilibrium Green's function, it is demonstrated that some oscillating conductance plateaus appear for the junctions, and the conductances are suppressed by the applied PEF. Interestingly, the direction of the PEF has different influence on the conductance of both junctions. We further present separately the band structures of the left lead, the central region and r...Physics Letters AjournalsSat, 21 Sep 2019 18:39:49 +0100728928402Enhancement of THz absorption in monolayer graphene for light at Brewster angle incidence
https://medworm.com/728928401/enhancement-of-thz-absorption-in-monolayer-graphene-for-light-at-brewster-angle-incidence/
Publication date: Available online 20 September 2019Source: Physics Letters AAuthor(s): Jun WuAbstractThe enhancement of absorption in graphene for light at Brewster angle incidence is investigated. It is achieved by placing a graphene on a resonant Brewster filter that incorporating a spacer layer. The absorber presents above 50% absorption at resonance, which is attributed to the excitation of guided mode resonances. The electromagnetic field intensity distributions are illustrated to intuitively confirm the physical mechanism of such phenomenon. Moreover, the influence of geometric parameters on absorption is investigated to provide a useful guidance for practical fabrication. Besides, it is found that the absorption properties not only can be controlled by adjusting the incident angle ...Physics Letters AjournalsSat, 21 Sep 2019 18:39:49 +0100728928401Prediction of 2D Li2X (X=Se, Te) monolayer semiconductors by first principles calculations
https://medworm.com/728450839/prediction-of-2d-li2x-xse-te-monolayer-semiconductors-by-first-principles-calculations/
Publication date: Available online 18 September 2019Source: Physics Letters AAuthor(s): Mosayeb Naseri, D.M. HoatAbstractTwo dimensional monolayer materials play important roles in new generation of electronic and optical devices in nano scale. In this paper, by using first principles calculations, the existence of 2D Li2X (X=Se, Te) monolayer materials are theoretically predicted. Through cohesive energy calculation and phonon dispersion simulation, it is proved that the proposed 2D Li2Se and Li2Te monolayer materials are energetically and dynamically stable suggests their potential experimental realization. Our study shows that these newly predicted compounds are direct semiconductors and have strain tunable wide band gaps. As direct semiconductors, these new monolayers may have many app...Physics Letters AjournalsThu, 19 Sep 2019 22:16:13 +0100728450839Electronic properties of novel bismuthene nanosheets with adsorption studies of G-series nerve agent molecules – a DFT outlook
https://medworm.com/728450838/electronic-properties-of-novel-bismuthene-nanosheets-with-adsorption-studies-of-g-series-nerve-agent/
Publication date: Available online 18 September 2019Source: Physics Letters AAuthor(s): R. Bhuvaneswari, V. Nagarajan, R. ChandiramouliAbstractIn order to confirm the ability of bismuthene nanosheet in detecting the G-series nerve agents, electronic and adsorption properties are investigated. The alteration in the band gap is observed (from the energy band structure) upon adsorption of G-series nerve agents, which results in the modification in the conductivity of BiNS. In addition, to establish the potential application of BiNS as a nerve agent sensor, the adsorption energy, average energy gap variation and Bader charge transfer (vital adsorption properties) are evaluated for the nerve agents, which is physisorbed on BiNS. Furthermore, the supreme statement made in the existing research o...Physics Letters AjournalsThu, 19 Sep 2019 22:16:13 +0100728450838Comparing geometric discord and negativity for bipartite states
https://medworm.com/728450837/comparing-geometric-discord-and-negativity-for-bipartite-states/
Publication date: Available online 18 September 2019Source: Physics Letters AAuthor(s): Priyabrata Bag, Santanu Dey, Hiroyuki OsakaAbstractThe geometric discord D of a state is a measure of the quantumness of the state and the negativity N is a measure of the entanglement of a state. It was proved by D. Girolami and G. Adesso that for states on C2⊗C2, the geometric discord is always greater than or equal to the square of the negativity and conjectured that this holds in general. S. Rana and P. Parashar showed that this relation does not hold for all states on C2⊗Cn for n>2. We provide several analytic families of states on C2⊗C3 violating this relation. Certain upper and lower bounds for N2−D are obtained for states on Cm⊗Cn for any m,n∈N. (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Sep 2019 22:16:13 +0100728450837Effect of pressure and temperature on spin-dependent tunneling in InAs/GaAs heterostructure with Dresselhaus spin-orbit interaction
https://medworm.com/728450836/effect-of-pressure-and-temperature-on-spin-dependent-tunneling-in-inasgaas-heterostructure-with-dre/
Publication date: Available online 18 September 2019Source: Physics Letters AAuthor(s): L. Bruno Chandrasekar, M. Karunakaran, K. GnanasekarAbstractUsing the transfer matrix, spin-dependent electron tunneling was studied in InAs/GaAs double barrier symmetrical heterostructure. The effect of Dresselhaus spin-orbit interaction in this system was analysed as a function of pressure and temperature. Both pressure and temperature influences the polarization efficiency, barrier transparency and dwell time of electrons. The increasing pressure increases polarization efficiency, tunneling life time and dwell time of electrons, where as the increasing temperature decreases the same parameters. The results might be helpful for the fabrication of spin-devices. (Source: Physics Letters A)Physics Letters AjournalsThu, 19 Sep 2019 22:16:13 +0100728450836RKKY interaction in the zigzag-edge silicene-like nanoflake
https://medworm.com/728450835/rkky-interaction-in-the-zigzag-edge-silicene-like-nanoflake/
Publication date: Available online 18 September 2019Source: Physics Letters AAuthor(s): Fatemeh Mazhari Mousavi, Rouhollah FarghadanAbstractBy considering the Kane-Mele-Hubbard approximation on the honeycomb lattice, we investigate the spin-spin correlation for two magnetic impurities in zigzag edge silicene-like nanoflake (ZSiLF). The dependence of the spatial behaviors of RKKY interaction on the electron-electron (e-e), intrinsic spin-orbit interactions (ISOI) and, electric field are systematically investigated. Generally, the spatial behaviors of the RKKY interaction sensitively change by changing e-e interaction and electric field strengths in the presence of ISOI. The ISOI in a ZSiLF result in long-range in-plane and Ising interactions. Moreover, e-e interaction induces non-zero Dzyal...Physics Letters AjournalsThu, 19 Sep 2019 22:16:13 +0100728450835Carrier mobility and relaxation time in BiCuSeO
https://medworm.com/728130136/carrier-mobility-and-relaxation-time-in-bicuseo/
Publication date: Available online 17 September 2019Source: Physics Letters AAuthor(s): Jian Liu, Qiao-Yu Jiang, Shi-Da Zhang, Heng ZhangAbstractTo obtain thermoelectric properties of materials, a constant relaxation time approximation is generally employed. By employing deformation potential theory, a derivation of relaxation time and carrier mobility of BiCuSeO system is proposed combining with density functional theory calculation. And the inter-valley scattering, acoustic phonon scattering and ionized impurity scattering were considered in the model. The calculated values of relaxation time and carrier mobility in BiCuSeO are in good agreement with the results of experiment. The results suggest that acoustic phonon scattering is in dominant and the constant relaxation time approximatio...Physics Letters AjournalsWed, 18 Sep 2019 17:09:32 +0100728130136Half-metallicity modulation of zigzag BC2N nanoribbons by transverse electric fields: A first principles study
https://medworm.com/728130135/half-metallicity-modulation-of-zigzag-bc2n-nanoribbons-by-transverse-electric-fields-a-first-princi/
Publication date: Available online 17 September 2019Source: Physics Letters AAuthor(s): Xiaoling Lü, Jimin Huang, Shuhui Lv, Wenyue Dong, Yanwei Li, Yu Shen, Zhenjun Si, Qian Duan, Yisong ZhengAbstractWe performed density functional theory calculations to investigate the electronic and magnetic properties of H-terminated zigzag BC2N nanoribbons (ZBC2NNRs) with the atoms arranged as B-C-N-C along zigzag lines. The ribbons can be classified into three groups according to the profiles of band structures and edge atoms: BN-BN, CC-CC and BN-CC. Among them, CC-CC and BN-CC ZBC2NNRs behave magnetic ground states. The results show that the CC-CC ZBC2NNR is an antiferromagnetic (AFM) semiconductor. Under the transverse electric field, the half-metallicity of 16-CC-CC ZBC2NNR can be achieved with e...Physics Letters AjournalsWed, 18 Sep 2019 17:09:32 +0100728130135Observation of topological valley transport of elastic waves in bilayer phononic crystal slabs
https://medworm.com/728130134/observation-of-topological-valley-transport-of-elastic-waves-in-bilayer-phononic-crystal-slabs/
Publication date: Available online 17 September 2019Source: Physics Letters AAuthor(s): Junrui Jiao, Tinggui Chen, Hongqing Dai, Dejie YuAbstractIn this Letter, we propose a unique bilayer design of phononic crystal slabs that are constructed by two layers of snowflake phononic crystal plates connected by a honeycomb array of cylinders. By tuning orientations of snowflake-shaped holes in both layers, we achieve two kinds of valley-projected topological elastic insulators distinguished by conventional and layer-polarized topological valley Hall phases. Then, between different conventional and layer-polarized topological valley Hall phases, two kinds of edge modes, layer-mixed and layer-polarized edge modes, are obtained and explored. In finite-size samples, the interesting topological trans...Physics Letters AjournalsWed, 18 Sep 2019 17:09:32 +0100728130134Controlled trapping of single particle states on a periodic substrate by deterministic stubbing
https://medworm.com/727969742/controlled-trapping-of-single-particle-states-on-a-periodic-substrate-by-deterministic-stubbing/
We present a case here, where the wells have a hierarchically distribution of widths, hosting standing wave solutions in the thermodynamic limit. (Source: Physics Letters A)Physics Letters AjournalsWed, 18 Sep 2019 02:12:31 +0100727969742Effect of bilayer repeats on magnetic properties of Au-buffered Co/Ni multilayers with perpendicular magnetic anisotropy
https://medworm.com/727969741/effect-of-bilayer-repeats-on-magnetic-properties-of-au-buffered-coni-multilayers-with-perpendicular/
This study provides a deep understanding and effective control of magnetic properties of Co/Ni multilayers for spintronics devices. (Source: Physics Letters A)Physics Letters AjournalsWed, 18 Sep 2019 02:12:31 +0100727969741Confined clustering of AuCu nanoparticles under ambient conditions
https://medworm.com/727969740/confined-clustering-of-aucu-nanoparticles-under-ambient-conditions/
Publication date: Available online 16 September 2019Source: Physics Letters AAuthor(s): O. Rocha-Rocha, M. Cortez-Valadez, G. Calderón-Ayala, C. Martinez-Nuñez, M. Pedroza-Montero, M. Flores-AcostaAbstractThe study of bimetallic clusters has been increasing in recent years due to the wide range of novel applications, when compared with monometallic nanoparticles This paper presents a simple method of low toxicity to obtain bimetallic nanoparticle clusters of AuCu. The localized surface plasmon resonance (LSPR) of the nanoalloy was located in a value in between those reported for AuNP and CuNP. Raman bands of nanoparticle clusters of AuCu were observed in the range 130-300 cm−1. The structural and optical analysis of the synthesized nanoparticles confirmed the presence of the bond Au-Cu...Physics Letters AjournalsWed, 18 Sep 2019 02:12:31 +0100727969740Optical absorption coefficients in asymmetric quantum well
https://medworm.com/727172395/optical-absorption-coefficients-in-asymmetric-quantum-well/
Publication date: Available online 13 September 2019Source: Physics Letters AAuthor(s): Chaojin Zhang, Cong Min, Bo ZhaoAbstractThe optical absorption coefficients considering electron-phonon interaction in asymmetrical quantum wells are theoretically studied. The result shows that the optical absorption coefficients depend strongly on the parameters of quantum well. Interestingly, the theoretical values of the optical absorption coefficients obviously increase with considering the electron-phonon interaction. (Source: Physics Letters A)Physics Letters AjournalsSun, 15 Sep 2019 00:39:24 +0100727172395Border effect corrections for diagonal line based recurrence quantification analysis measures
https://medworm.com/727172394/border-effect-corrections-for-diagonal-line-based-recurrence-quantification-analysis-measures/
Publication date: Available online 13 September 2019Source: Physics Letters AAuthor(s): K. Hauke Kraemer, Norbert MarwanAbstractRecurrence Quantification Analysis (RQA) defines a number of quantifiers, which base upon diagonal line structures in the recurrence plot (RP). Due to the finite size of an RP, these lines can be cut by the borders of the RP and, thus, bias the length distribution of diagonal lines and, consequently, the line based RQA measures. In this letter we investigate the impact of the mentioned border effects and of the thickening of diagonal lines in an RP (caused by tangential motion) on the estimation of the diagonal line length distribution, quantified by its entropy. Although a relation to the Lyapunov spectrum is theoretically expected, the mentioned entropy yields c...Physics Letters AjournalsSun, 15 Sep 2019 00:39:24 +0100727172394Dynamical properties of quasiparticles emerged in a nodal ring optical lattice
https://medworm.com/727172393/dynamical-properties-of-quasiparticles-emerged-in-a-nodal-ring-optical-lattice/
Publication date: Available online 13 September 2019Source: Physics Letters AAuthor(s): Xi-Dan Hu, Yu-Lei Huang, Xin Shen, Kai-Yu Liao, Zhi LiAbstractThe dynamics of nodal ring quasiparticles (NRQPs) has been studied in an optical lattice. By tuning the lattice parameters, one can realize a Lifshits phase transition from a nodal ring semi-metallic to a band insulating phase. For the case where the initial state is a wavepacket, an effective Hamiltonian is obtained to simulate the system's dynamics. Analytical result is explicitly derived with the effective Hamiltonian and the dynamics shows the Zitterbewegung motion. We have analyzed the effects induced by the finite width of the atomic wave packets combined with the consideration of band structure in each phase. (Source: Physics Letters A...Physics Letters AjournalsSun, 15 Sep 2019 00:39:24 +0100727172393Stationary and dynamical properties of one-dimensional quantum droplets
https://medworm.com/727172392/stationary-and-dynamical-properties-of-one-dimensional-quantum-droplets/
Publication date: Available online 13 September 2019Source: Physics Letters AAuthor(s): Sherzod R. Otajonov, Eduard N. Tsoy, Fatkhulla Kh. AbdullaevAbstractThe dynamics of quantum droplets in 1D is analyzed on the basis of the variational approach (VA). It is shown that the VA based on the super-Gaussian function gives a good approximation of stationary states. The period of small oscillations of the perturbed droplet is obtained. It is found numerically that oscillations are almost undamped for many periods. Based on the VA, an existence of stable localized states for different combinations of signs of nonlinearities is demonstrated. (Source: Physics Letters A)Physics Letters AjournalsSun, 15 Sep 2019 00:39:24 +0100727172392Non-autonomous wave solutions for the Gross-Pitaevskii (GP) equation with a parabola external potential in Bose-Einstein condensates
https://medworm.com/727172391/non-autonomous-wave-solutions-for-the-gross-pitaevskii-gp-equation-with-a-parabola-external-potent/
Publication date: Available online 13 September 2019Source: Physics Letters AAuthor(s): Chunping Liu, Fajun Yu, Li LiAbstractA Gross-Pitaevskii (GP) equation with a parabola external potential is considered, and is transformed into a standard nonlinear Schrödinger (NLS) equation. By using the homogeneous balance principle and F-expansion method, we study non-autonomous wave solutions of the GP equation with a parabola external potential. In particular, based on the similarity transformation, several families of non-autonomous wave solutions of the GP equation are presented with snaking behaviors and different amplitude surfaces. These obtained bright-dark soliton solutions can give some potential applications in Bose-Einstein condensates. (Source: Physics Letters A)Physics Letters AjournalsSun, 15 Sep 2019 00:39:24 +0100727172391Computing scalar products via a two-terminal quantum transmission line
https://medworm.com/726851176/computing-scalar-products-via-a-two-terminal-quantum-transmission-line/
Publication date: Available online 12 September 2019Source: Physics Letters AAuthor(s): J. Stolze, A.I. ZenchukAbstractThe scalar product of two vectors with K real components can be computed using two quantum channels, that is, information transmission lines in the form of spin-1/2 XX chains. Each channel has its own K-qubit sender and both channels share a single two-qubit receiver. The K elements of each vector are encoded in the pure single-excitation initial states of the senders. After time evolution, a bi-linear combination of these elements appears in the only matrix element of the second-order coherence matrix of the receiver state. An appropriate local unitary transformation of the extended receiver turns this combination into a renormalized version of the scalar product of the o...Physics Letters AjournalsFri, 13 Sep 2019 19:15:28 +0100726851176Neuron model with conductance-resistance symmetry
https://medworm.com/726851175/neuron-model-with-conductance-resistance-symmetry/
Publication date: Available online 12 September 2019Source: Physics Letters AAuthor(s): Bo DengAbstractThis paper is to derive a mathematical model for neuron by imposing only a principle of symmetry that two modelers must obtain the same model when one models the conductances of ion channels and the other models the channels' resistances. Conductance-voltage characteristics for ion transport channels and protein gating channels are both derived. They are expressed as products of maximal conductances and opening probabilities for both types of channel. It gives an explanation to the role of spontaneous firing of individual channel pores and to the origin of leak current. The model has a better fit to a classical data than the Hodgkin-Huxley model does. It can also be reduced to a 2-dimensi...Physics Letters AjournalsFri, 13 Sep 2019 19:15:28 +0100726851175Pseudomagnetic fields and Landau levels for out-of-plane elastic waves in gradient snowflake-shaped crystals
https://medworm.com/726851174/pseudomagnetic-fields-and-landau-levels-for-out-of-plane-elastic-waves-in-gradient-snowflake-shaped-/
Publication date: Available online 12 September 2019Source: Physics Letters AAuthor(s): Ji-cheng Luo, Lu-yang Feng, Hong-bo Huang, Jiu-jiu ChenAbstractThe study of pseudomagnetic fields (PMF) in classical waves draws a growing attention due to the strength of PMF far higher than real magnetic fields. Here, we show that a giant PMF for out-of-plane elastic waves can be created in the snowflake-shaped crystals by introducing a gradient angle modulation along one direction. In particular, we demonstrate that the Landau energy levels for out-of-plane elastic waves can be formed near the Dirac cone region, as a hallmark of high-field physics induced by PMF. Moreover, the sublattice polarized bulk states similar to the behavior of graphene electron in magnetic fields are achieved in our elastic ...Physics Letters AjournalsFri, 13 Sep 2019 19:15:28 +0100726851174Observation of flux qubit states with the help of a superconducting differential double contour interferometer
https://medworm.com/726851173/observation-of-flux-qubit-states-with-the-help-of-a-superconducting-differential-double-contour-inte/
Publication date: Available online 12 September 2019Source: Physics Letters AAuthor(s): A.V. NikulovAbstractThe critical current of a new structure, the superconducting differential double contour interferometer (DDCI), investigated recently, depends on the parity of the sum of quantum numbers of the two superconducting loops connected in two points by two Josephson junctions. The theory confirms that the DDCI structure can be used for the ideal readout of quantum states of the flux qubit. Large jumps in the critical current and voltage enables to observe continuously the change in time the state of the flux qubit. Such observations can have fundamental importance for the investigation of macroscopic quantum systems with strongly discrete spectrum such as the flux qubit. The DDCI structure...Physics Letters AjournalsFri, 13 Sep 2019 19:15:28 +0100726851173Influence of dilution on magnetization properties of geometrically frustrated magnetic systems: Effective-field theory cluster approximations on kagome lattice
https://medworm.com/726851172/influence-of-dilution-on-magnetization-properties-of-geometrically-frustrated-magnetic-systems-effe/
Publication date: Available online 12 September 2019Source: Physics Letters AAuthor(s): E. Jurčišinová, M. JurčišinAbstractThe influence of the site dilution on the magnetization properties of the antiferromagnetic spin-1/2 Ising model on the kagome lattice is systematically investigated using various n-site cluster effective-field theory approximations up to the cluster size n=12. It is shown that, regardless of the cluster approximation, the site dilution of the system leads, in addition to the existence of the standard saturated ground state, to the formation of four nontrivial plateau ground states together with five single-point ground states that separate them in the zero temperature limit. It is also shown that, while magnetization properties of the saturated ground state and t...Physics Letters AjournalsFri, 13 Sep 2019 19:15:28 +0100726851172Plasmon modes in 3-layer graphene structures: Inhomogeneity effects
https://medworm.com/726690578/plasmon-modes-in-3-layer-graphene-structures-inhomogeneity-effects/
Publication date: Available online 11 September 2019Source: Physics Letters AAuthor(s): Dong Thi Kim Phuong, Nguyen Van MenAbstractWe calculate the plasmon frequency and damping rate in a 3-layer graphene system made of parallel monolayer and bilayer graphene sheets using the random-phase-approximation dielectric function and taking into account the inhomogeneity of the dielectric background of the system. Numerical results show that two out-of-phase acoustic and one in-phase optical plasmon modes can be found from the zeroes of dynamical dielectric function of the structure. Plasmon frequencies and damping rate of plasma oscillations depend significantly on the inhomogeneity of environment, so plamon curves become more distinctive from each other in single-particle excitation region, comp...Physics Letters AjournalsFri, 13 Sep 2019 04:13:24 +0100726690578Surface acoustic waves in 2D-phononic crystal of laminated pillars on a semi-infinite ZnO substrate
https://medworm.com/726690577/surface-acoustic-waves-in-2d-phononic-crystal-of-laminated-pillars-on-a-semi-infinite-zno-substrate/
Publication date: Available online 11 September 2019Source: Physics Letters AAuthor(s): Tengjiao Jiang, Chunlei Li, Qiang HanAbstractIn this paper a phononic crystal of laminated pillars which are composed of two materials on a semi-infinite ZnO substrate is proposed. The unit cell can be regarded as a double-resonator model, which explicates the variation of band gaps. It is revealed that the band structure of the PC is highly influenced by the proportion of PZT-4 in laminated pillars. Besides, the high-frequency band gaps are the result of combined actions of the local resonance and the Bragg scattering, and the former dominates. Furthermore, the influences of the structural damping are investigated. It is observed that the bandgap-ratio remain unchanged and the band gaps translate to th...Physics Letters AjournalsFri, 13 Sep 2019 04:13:24 +0100726690577Conventional and rotating magnetoelectric effect of a half-filled spin-electron model on a doubly decorated square lattice
https://medworm.com/726370357/conventional-and-rotating-magnetoelectric-effect-of-a-half-filled-spin-electron-model-on-a-doubly-de/
Publication date: Available online 10 September 2019Source: Physics Letters AAuthor(s): Hana Čenčariková, Jozef StrečkaAbstractA conventional and rotating magnetoelectric effect of a half-filled spin-electron model on a doubly decorated square lattice is investigated by exact calculations. An importance of the electron hopping and spatial orientation of the electric field upon a magnetoelectric effect is examined in detail. A critical temperature may display one or two consecutive round maxima as a function of the electric field. Although the rotating magnetoelectric effect (RME) does not affect the ground-state ordering, the pronounced RME is found close to a critical temperature of continuous phase transition. It is shown that RME is amplified upon strengthening of the electric field...Physics Letters AjournalsWed, 11 Sep 2019 23:39:36 +0100726370357Stress generation during anisotropic lithiation in silicon nanopillar electrodes: A reactive force field study
https://medworm.com/726370356/stress-generation-during-anisotropic-lithiation-in-silicon-nanopillar-electrodes-a-reactive-force-f/
Publication date: Available online 10 September 2019Source: Physics Letters AAuthor(s): Luoxia Cao, Hui Yang, Feifei FanAbstractModels that are developed to investigate lithiation-induced stress in high-volume-change electrodes are often based on continuum approaches with simplifying assumptions. In this work, we investigate stress generation during the first lithiation of crystalline silicon electrodes solely using atomistic simulations with chemo-mechanical fidelity. We use a <100>-oriented silicon nanopillar as a model system and perform molecular statics simulations with a reactive force field. The simulation approach incorporates the key physical feature of the lithiation – anisotropic formation and migration of an atomistically-sharp phase boundary. The resulting stress fields ...Physics Letters AjournalsWed, 11 Sep 2019 23:39:36 +0100726370356Structural and electronic properties of armchair graphene nanoribbons functionalized with fluorine
https://medworm.com/726051368/structural-and-electronic-properties-of-armchair-graphene-nanoribbons-functionalized-with-fluorine/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Kamal K. Jha, Neha Tyagi, Neeraj K. Jaiswal, Pankaj SrivastavaAbstractThe interaction of armchair graphene nanoribbons (AGNR) with F has been investigated by considering it as a passivating element as well as adatom impurity. The adsorption of F at three different sites viz. bridge (B), top (T) and hole (H) is examined to determine the most stable configuration. It is revealed that F passivation is slightly more favorable than the H passivation of AGNR and it also affects the band gap. Interestingly, F adsorbed AGNR exhibit magnetic ground state which is about 70 meV more favourable over nonmagnetic state. Further, F passivated AGNR exhibit linear I-V characteristic which indicates potential for intercon...Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051368Darboux transformation and soliton solutions of the semi-discrete massive Thirring model
https://medworm.com/726051367/darboux-transformation-and-soliton-solutions-of-the-semi-discrete-massive-thirring-model/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Tao Xu, Dmitry E. PelinovskyAbstractA one-fold Darboux transformation between solutions of the semi-discrete massive Thirring model is derived using the Lax pair and dressing methods. This transformation is used to find the exact expressions for soliton solutions on zero and nonzero backgrounds. It is shown that the discrete solitons have the same properties as solitons of the continuous massive Thirring model. (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051367Thermospin effects in a T-shaped spin valves with spin-flip scattering
https://medworm.com/726051366/thermospin-effects-in-a-t-shaped-spin-valves-with-spin-flip-scattering/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Li Xu, Caili Zhang, Yanfang HuangAbstractWith the help of the nonequilibrium Green's function technique, we theoretically analyze the thermospin property through a typical T-shaped spin valve with spin-flip scattering in the linear regime. The influences of spin-flip coefficient of interdot λ, spin-flip coefficient of intradot η and interdot hopping coefficient t+δσΔt on thermospin property are discussed. As interdot hopping coefficient t is equal to energy level ε, the spectrum of Gs shows Fano-like effect with ε variation. Antiresonance position of Gs is almost unchanged and its width becomes narrower with ε increasing. Spin thermopower Ss is close to the maximum of the peak and charge thermopo...Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051366Stabilization of E-type antiferromagnetic ordering in La and Y substituted orthorhombic LuMnO3: A first-principles study
https://medworm.com/726051365/stabilization-of-e-type-antiferromagnetic-ordering-in-la-and-y-substituted-orthorhombic-lumno3-a-fi/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Sathya Sheela Subramanian, Sambandam Anandan, Baskaran NatesanAbstractWe carry out first principles density functional theory calculations of non-lone pairs, namely, La and Y substituted orthorhombic LuMnO3, to verify the generality of symmetry breaking effects observed in the lone pair cations substituted orthorhombic rare earth manganites. Our calculations revealed that similar to lone pair cations ordering at the A-site of LuMnO3, non-lone pair cations ordering also results in the lowering of the symmetry thereby proving that the symmetry breaking with A-site ordering is a generic effect. Interestingly, we were able to stabilize the large radius La substituted LuMnO3 into an E-type antiferromagnetic (...Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051365Exactly solvable chain of interacting electrons with correlated hopping and pairing
https://medworm.com/726051364/exactly-solvable-chain-of-interacting-electrons-with-correlated-hopping-and-pairing/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Igor N. KarnaukhovAbstractA generalization of the Mattis-Nam model Mattis and Nam (1972) [7], which takes into account a correlated hopping and pairing of electrons, is proposed, its exact solution is obtained. In the framework of the model the stability of the zero energy Majorana fermions localized at the boundaries is studied in the chain in which electrons interact through both the on-site Hubbard interaction and the correlated hopping and pairing. The ground-state phase diagram of the model is calculated, the region of existence of topological states is determined. It is shown that low-energy excitations destroy bonds between electrons in the chain, leading to an insulator state. (Source: Physics Le...Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051364Superalkali NM4 (M = Li, Na, K): Stabilities and electronic structures
https://medworm.com/726051363/superalkali-nm4-mli-na-k-stabilities-and-electronic-structures/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Zhaoyan Zhang, Hongshan ChenAbstractSuperatoms are clusters that mimic the chemistry of atoms and new materials with unique properties can be synthesized from them. Superalkali NM4 clusters with homo- and hetero-alkalis M = Li, Na, K are designed, and their vertical ionization potentials (3.22 ∼ 3.74 eV) are lower than that of Cs atom. The stabilities of the superalkalis are guaranteed by the binding energies and positive energies of the dissociation channel NM3 + M, and NLi4 is the most stable among the NM4 clusters. The high stability and tetrahedral geometry make these species idea units for building new materials. (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051363Planar metamaterial analogue of electromagnetically induced transparency for a miniature refractive index sensor
https://medworm.com/726051362/planar-metamaterial-analogue-of-electromagnetically-induced-transparency-for-a-miniature-refractive-/
Publication date: Available online 9 September 2019Source: Physics Letters AAuthor(s): Rong Li, Xiang-kun Kong, Shao-bin Liu, Zhi-ming Liu, Yu-meng LiAbstractA planar metamaterial of analogue of Electromagnetically Induced Transparency (EIT-like) is theoretically and experimentally investigated. The EIT-like metamaterial unit cell, whose electrical size is only 0.2λ0, consists of a split ring resonator (SRR) and a folded-line pair resonator (FLPR). For the TM wave incidence, a sharp transmitted peak with high quality factor can be observed. The EIT-like metamaterial is fabricated and measured. Good agreement is obtained between the simulation and measurement results. A miniature refractive index sensor based on the proposed metamaterial is simulated and exhibits high sensitivity and Figur...Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051362Electron-phonon coupling in armchair silicene nanoribbons
https://medworm.com/726051361/electron-phonon-coupling-in-armchair-silicene-nanoribbons/
We report the effects of electron-phonon coupling on the charge density distribution of polarons in armchair nanoribbons of silicene by using an extended tight-binding model with lattice relaxation. The results show that the charge distribution in silicene nanoribbons is analogous to graphene and that the charge localization increases when the intensity of electron-phonon coupling also increases. We further show that silicene nanoribbons may be a conducting or semiconducting material, depending on both the width of the nanoribbon and the possibility of polaron formation. This contribution provides additional insight into the behavior of polarons in silicene nanoribbons, systems of great interest. (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051361Editors
https://medworm.com/726051360/editors/
Publication date: 25 October 2019Source: Physics Letters A, Volume 383, Issue 30Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051360Retraction notice to “Co-thickness and oxidation states effect on magnetic anisotropy in Co/MgO heterostructure” [Phys. Lett. A 383 (2019) 1977–1982]
https://medworm.com/726051347/retraction-notice-to-co-thickness-and-oxidation-states-effect-on-magnetic-anisotropy-in-comgo-he/
Publication date: 25 October 2019Source: Physics Letters A, Volume 383, Issue 30Author(s): S. Nazir (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051347Editors
https://medworm.com/726051345/editors/
Publication date: 7 November 2019Source: Physics Letters A, Volume 383, Issue 31Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 10 Sep 2019 18:15:30 +0100726051345Potential algebra approach to quantum mechanics with generalized uncertainty principle
https://medworm.com/725259018/potential-algebra-approach-to-quantum-mechanics-with-generalized-uncertainty-principle/
Publication date: Available online 6 September 2019Source: Physics Letters AAuthor(s): Satoshi Ohya, Pinaki RoyAbstractIn this note, we study the potential algebra for several models arising out of quantum mechanics with generalized uncertainty principle. We first show that the eigenvalue equation corresponding to the momentum-space HamiltonianH=−(1+βp2)ddp(1+βp2)ddp+g(g−1)β2p2−gβ, which is associated with some one-dimensional models with minimal length uncertainty, can be solved by the unitary representations of the Lie algebra su(2) if g∈{12,1,32,2,⋯}. We then apply this result to spectral problems for the non-relativistic harmonic oscillator as well as the relativistic Dirac oscillator in the presence of a minimal length and show that these problems can be solved solely in...Physics Letters AjournalsSat, 07 Sep 2019 17:36:33 +0100725259018First-principles studies of graphene antidot lattices on monolayer h-BN substrate
https://medworm.com/725259017/first-principles-studies-of-graphene-antidot-lattices-on-monolayer-h-bn-substrate/
Publication date: Available online 6 September 2019Source: Physics Letters AAuthor(s): Zeng-Xin Wei, Gui-Bin LiuAbstractThe structures and electronic structures of hetero bilayers composed of graphene antidot lattice (GAL) on monolayer h-BN substrate are studied in first-principles method. Bond lengths, interlayer distances, flatness, biaxial strain effects, and effects of translating the GAL layer are studied and analyzed in detail. Results show that introducing a monolayer BN substrate makes the zero-bandgap 5×5 GAL open a bandgap up to 28 meV, while it makes the semiconducting 6×6 GAL keep its low-energy electronic structure almost intact except a small bandgap change by tens of meV at most. Our studies demonstrate that h-BN is a promising substrate for GAL. (Source: Physics Letters A...Physics Letters AjournalsSat, 07 Sep 2019 17:36:33 +0100725259017Electronic and structural properties of black phosphorene doped with Si, B and N
https://medworm.com/725259016/electronic-and-structural-properties-of-black-phosphorene-doped-with-si-b-and-n/
Publication date: Available online 6 September 2019Source: Physics Letters AAuthor(s): Luiza Goulart, Liana Fernandes, Cláudia Lange, Jussane RossatoAbstractThe electronic and structural properties of substitutional and doped phosphorene with B, N and Si were studied using first principles calculations based on density functional theory. Moreover, electronic and structural properties of functionalized phosphorene slowly increasing the concentration of doping was investigated. Phosphorene strongly binds with doped functionalization; B doped phosphorene is the most stable configuration studied. Si doped phosphorene maintains the semiconductor characteristic. B and N doped phosphorene present n-type and p-type semiconductors, respectively. Doped phosphorene with odd number of Si is a semicon...Physics Letters AjournalsSat, 07 Sep 2019 17:36:33 +0100725259016Editors
https://medworm.com/725258999/editors/
Publication date: 15 October 2019Source: Physics Letters A, Volume 383, Issue 29Author(s): (Source: Physics Letters A)Physics Letters AjournalsSat, 07 Sep 2019 17:36:33 +0100725258999Ordering induced transformation from high-entropy to Heusler CrVTiAl alloy
https://medworm.com/724941773/ordering-induced-transformation-from-high-entropy-to-heusler-crvtial-alloy/
Publication date: Available online 5 September 2019Source: Physics Letters AAuthor(s): Peiyu Cao, Hanyue Zhao, Shanshan Liu, Fuyang Tian, Yandong WangAbstractThe equimolar quaternary CrVTiAl is not only a potential spin filter, but also a light-weight high entropy alloy. The excellent performance strongly depends on the order degree. We use the ab initio calculation to investigate the structural, magnetic, elastic properties of CrVTiAl as a function of the order degree describing phase from full disorder A2 to DO3, B2, and L21 to full order Y-type (LiMgPdSn-type) structure. The Cr-Al bonding plays a key role in the local magnetic moments, further induces the increasing lattice parameter and decreasing elastic constants. Furthermore, the effect of preferred sites on mechanical properties is...Physics Letters AjournalsFri, 06 Sep 2019 13:15:26 +0100724941773Vacancy-defect effect on the electronic and optical properties of Pmm2 BC2N: A first-principles study
https://medworm.com/724941772/vacancy-defect-effect-on-the-electronic-and-optical-properties-of-pmm2-bc2n-a-first-principles-stud/
Publication date: Available online 5 September 2019Source: Physics Letters AAuthor(s): Xiong Li, Yan Zhu, Can HuangAbstractOrthorhombic-Pmm2-BC2N as a superhard photocatalyst simulates great interests in the researches of materials-design and application. To promote the studies of Pmm2 BC2N as a multifunctional material with both great hardness and good optical properties, we investigated the electronic and optical properties of Pmm2 BC2N with various vacancy-defects by the systematic first-principles density functional theory (DFT) calculations in this work. The absorption, refractivity, reflectivity, and photoconductivity of considered structures were calculated and explored. The various characteristics of the optical properties were analyzed based on relative computed density of states ...Physics Letters AjournalsFri, 06 Sep 2019 13:15:26 +0100724941772Controlling decoherence via PT-symmetric non-Hermitian open quantum systems
https://medworm.com/724470644/controlling-decoherence-via-pt-symmetric-non-hermitian-open-quantum-systems/
Publication date: Available online 3 September 2019Source: Physics Letters AAuthor(s): Sanjib Dey, Aswathy Raj, Sandeep K. GoyalAbstractWe have studied the effect of a non-Hermitian Bosonic bath on the dynamics of a two-level spin system. The non-Hermitian Hamiltonian of the bath is chosen such that it converges to the harmonic oscillator Hamiltonian when the non-Hermiticity is switched off. We calculate the dynamics of the spin system and found that the non-Hermiticity can have positive as well as negative effects on the coherence of the system. However, the decoherence can be completely eliminated by choosing the non-Hermiticity parameter and the phase of the system bath interaction appropriately. We have also studied the effect of this bath on the entanglement of a two-spin system when ...Physics Letters AjournalsWed, 04 Sep 2019 18:03:26 +0100724470644Discrete and generalized phase space techniques in critical quantum spin chains
https://medworm.com/724470643/discrete-and-generalized-phase-space-techniques-in-critical-quantum-spin-chains/
Publication date: Available online 3 September 2019Source: Physics Letters AAuthor(s): Zakaria Mzaouali, Steve Campbell, Morad El BazAbstractWe apply the Wigner function formalism from quantum optics via two approaches, Wootters' discrete Wigner function and the generalized Wigner function, to detect quantum phase transitions in critical spin-12 systems. We develop a general formula relating the phase space techniques and the thermodynamical quantities of spin models, which we apply to single, bipartite and multi-partite systems governed by the XY and the XXZ models. Our approach allows us to introduce a novel way to represent, detect, and distinguish first-, second- and infinite-order quantum phase transitions. Furthermore, we show that the factorization phenomenon of the XY model is only...Physics Letters AjournalsWed, 04 Sep 2019 18:03:26 +0100724470643Editors
https://medworm.com/724470627/editors/
Publication date: 5 October 2019Source: Physics Letters A, Volume 383, Issue 28Author(s): (Source: Physics Letters A)Physics Letters AjournalsWed, 04 Sep 2019 18:03:26 +0100724470627The dynamics of two coupled Van der Pol oscillators with attractive and repulsive coupling
https://medworm.com/724154677/the-dynamics-of-two-coupled-van-der-pol-oscillators-with-attractive-and-repulsive-coupling/
Publication date: Available online 2 September 2019Source: Physics Letters AAuthor(s): Shiva Dixit, Amit Sharma, Manish Dev ShrimaliAbstractWe consider a variant of two coupled Van der Pol oscillators with both attractive and repulsive mean-field interactions. In the presence of attractive coupling, the system is in the complete synchrony, while repulsive coupling shows anti-synchronization state leading to suppression of oscillations with increasing interaction strength. The coupled system with both attractive and repulsive interactions shows competitive tendencies of being complete synchronization and anti-synchronization resulting in the stabilization of the fixed point. We have also studied the effect of the damping coefficient of the VdP oscillator on the nature of the transition from...Physics Letters AjournalsTue, 03 Sep 2019 13:15:28 +0100724154677Tunable double-beam optical bistability in an asymmetric double quantum-well system
https://medworm.com/723520633/tunable-double-beam-optical-bistability-in-an-asymmetric-double-quantum-well-system/
Publication date: Available online 30 August 2019Source: Physics Letters AAuthor(s): Yu-Yuan Chen, Ya-Nan Li, Ren-Gang Wan, Hong-Wei YanAbstractWe have proposed a scheme for double-beam optical bistability in a tunnel-coupled asymmetric double quantum-well driven by two optical fields circulating inside two independently unidirectional ring cavities. In contrast to the single-cavity case where single-photon saturated absorption and self Kerr-nonlinearity are dominant, the two-photon absorption and cross phase modulation can be enhanced via tunneling induced interference and have an important influence to the formation of bistability. The bistable behavior can be controlled effectively via the system parameters such as the input and detuning of control field, the detuning of the probe field...Physics Letters AjournalsSun, 01 Sep 2019 05:03:32 +0100723520633Optical reflection properties for the interface associated with Chern insulator and chiral metamaterial
https://medworm.com/723520632/optical-reflection-properties-for-the-interface-associated-with-chern-insulator-and-chiral-metamater/
Publication date: Available online 30 August 2019Source: Physics Letters AAuthor(s): Ran Zeng, Fangfang Chen, Chi Wang, Mingyue Zhang, Haozhen Li, Qiliang Li, Jun Ou, Yaping Yang, Shiyao ZhuAbstractBased on the topological nature of Chern insulator and magnetoelectric coupling of chiral metamaterial, we investigate the electrodynamics for the interface associated with the two media. The Fresnel coefficients of the interface between Chern insulator and chiral metamaterial, as well as the corresponding polarization rotation angles, are derived. The reflection characteristics of the linearly polarized incident wave at the interface, such as complete polarization conversion and change of polarization state, are discussed. Under the combined influence of Chern insulator and chiral metamaterial,...Physics Letters AjournalsSun, 01 Sep 2019 05:03:32 +0100723520632Synchronization in a multiplex network of gene oscillators
https://medworm.com/723202488/synchronization-in-a-multiplex-network-of-gene-oscillators/
Publication date: Available online 29 August 2019Source: Physics Letters AAuthor(s): Abdul Jalil M. Khalaf, Fawaz E. Alsaadi, Fuad E. Alsaadi, Viet-Thanh Pham, Karthikeyan RajagopalAbstractStudy of the synchronization in the network of gene oscillator network has vital importance in understanding of rhythmicity of molecular and cellular activities. In this paper, we analyze a network of linearly coupled genetic oscillators in a multiplex structure. The coupling strength values are changed and the coupling range is considered to be fixed, but different in the two layers. The analyses are done in two cases of periodic and chaotic oscillations. By computing the statistical measures, the interlayer and intralayer synchronization states are studied. The results show that the layer with higher c...Physics Letters AjournalsSat, 31 Aug 2019 00:15:30 +0100723202488Noether symmetry for fractional Hamiltonian system
https://medworm.com/723202487/noether-symmetry-for-fractional-hamiltonian-system/
Publication date: Available online 29 August 2019Source: Physics Letters AAuthor(s): C.J. SongAbstractFractional Hamiltonian systems within combined Riemann-Liouville fractional order derivative and combined Caputo fractional order derivative are established. Then Noether quasi-symmetry and conserved quantity for the fractional Hamiltonian systems are presented. Thirdly, perturbation to Noether quasi-symmetry and adiabatic invariant are studied. Several special cases are discussed in each section. And finally, two applications, i.e., the fractional Lotka biochemical oscillator model and the fractional isotropic harmonic oscillator model, are discussed to illustrate the results and methods. (Source: Physics Letters A)Physics Letters AjournalsSat, 31 Aug 2019 00:15:30 +0100723202487Evolution of breathers and interaction between high-order lump solutions and N-solitons (N → ∞) for Breaking Soliton system
https://medworm.com/723202486/evolution-of-breathers-and-interaction-between-high-order-lump-solutions-and-n-solitons-n/
Publication date: Available online 29 August 2019Source: Physics Letters AAuthor(s): Wei TanAbstractBy employing the Hirota's bilinear method and different test functions, we investigate different forms of breather solitons and some new lump solutions of the (2+1)-dimensional Breaking Soliton system. During this process, some new nonlinear phenomena, such as degeneration of breather solitons, evolution of double breathers and emergence of lump solutions, are studied and shown. Besides, some interaction solutions between high-order lump solutions and N-soliton solutions (N→∞) are studied. We construct the existence theorem of the interaction solutions and give a detailed proof process for the first time. Some different types of interaction solutions are used as concrete examples to illu...Physics Letters AjournalsSat, 31 Aug 2019 00:15:30 +0100723202486Enhanced acoustic localization in the two-dimensional phononic crystals with slit tube defect
https://medworm.com/723202485/enhanced-acoustic-localization-in-the-two-dimensional-phononic-crystals-with-slit-tube-defect/
Publication date: Available online 29 August 2019Source: Physics Letters AAuthor(s): Xiao-peng Wang, Hui Sun, Tian-ning Chen, Xing-guo WangAbstractIn this paper, the acoustic localization characteristics of the two-dimensional phononic crystals with slit tube defect are investigated theoretically and experimentally. In contrast to the typical formation pattern of defect states, the proposed defect states are created by replacing a slotted tube in the center of perfect phononic crystal. Compared to perfect phononic crystal, the proposed structure can effectively localize waves of specific frequencies in the point defect and improve the acoustic pressure amplification. Then the effects of the geometric parameters of the slotted tube on the acoustic localization characteristics are studied. N...Physics Letters AjournalsSat, 31 Aug 2019 00:15:30 +0100723202485High pressure synthesis and thermoelectric performances of Cu2Se compounds
https://medworm.com/723202484/high-pressure-synthesis-and-thermoelectric-performances-of-cu2se-compounds/
Publication date: Available online 29 August 2019Source: Physics Letters AAuthor(s): Lisha Xue, Chao Fang, Weixia Shen, Manjie Shen, Wenting Ji, Yuewen Zhang, Zhuangfei Zhang, Xiaopeng JiaAbstractThe Cu2Se samples were synthesized by high pressure directly at room temperature in several minutes. The composition evolution under high pressure demonstrates that the critical conditions to synthesize Cu2Se are the pressure of 1 GPa and the reaction time of 5 min. The synthetic pressure can effectively tune the morphology, carrier concentration and the electrical transport properties. The low lattice thermal conductivity less than 0.5 Wm−1 K−1 is obtained because of the intrinsic superionic character and the microstructures by high pressure including abundant micropores and lattice defe...Physics Letters AjournalsSat, 31 Aug 2019 00:15:30 +0100723202484First-principles study of two-dimensional van der Waals heterostructure based on ZnO and Mg(OH)2: a potential photocatalyst for water splitting
https://medworm.com/722884715/first-principles-study-of-two-dimensional-van-der-waals-heterostructure-based-on-zno-and-mgoh2-a-/
In this study, the structural, electronic and optical properties of the two-dimensional heterostructure based on ZnO and Mg(OH)2 are investigated by first-principle calculations. The ZnO/Mg(OH)2 heterostructure, formed by van der Waals (vdW) interaction, possesses a type-II band structure, which can separate the photogenerated electron–holes constantly. The heterostructure has decent band edge positions for the redox reaction to decompose the water at pH 0 and 7. As for the interfacial properties of the heterostructure, the trend of band bending of the ZnO and Mg(OH)2 layers in the heterostructure is addressed, which will result a built-in electric field. Besides, the charge-density difference and potential drop across the interface of the ZnO/Mg(OH)2 vdW heterostructure are also calcula...Physics Letters AjournalsThu, 29 Aug 2019 20:03:26 +0100722884715Beat-like frequency pattern of extraordinary transmission and reflection in PT-symmetric Fibonacci aperiodic optical networks of waveguide rings
https://medworm.com/722884714/beat-like-frequency-pattern-of-extraordinary-transmission-and-reflection-in-pt-symmetric-fibonacci-a/
Publication date: Available online 28 August 2019Source: Physics Letters AAuthor(s): Jiaye WuAbstractIn parity-time-symmetric (PT-symmetric) Fibonacci ordered-aperiodic optical networks of waveguide rings, the beat-like pattern of the frequencies corresponding to maximum extraordinary transmission and reflection is investigated. It is found that, resembling acoustic resonance and optical beat, when these frequencies between two contiguous Fibonacci generations are sufficiently close and within a certain limit, the transmission and reflection of the following generation become stronger than those of the previous two; otherwise, they are weakened. These properties are the combined results of the optical PT symmetry and the inherent self-repeating pattern of the Fibonacci ordering, which migh...Physics Letters AjournalsThu, 29 Aug 2019 20:03:26 +0100722884714The higher-order nonlinear Schrödinger equation with non-zero boundary conditions: Robust inverse scattering transform, breathers, and rogons
https://medworm.com/722562183/the-higher-order-nonlinear-schrdinger-equation-with-non-zero-boundary-conditions-robust-inverse-s/
Publication date: Available online 27 August 2019Source: Physics Letters AAuthor(s): Shuyan Chen, Zhenya YanAbstractAn integrable three-parameter fifth-order nonlinear Schrödinger equation with non-zero boundary conditions was studied staring from its Lax pair and a robust inverse scattering transform such that one-, and n-fold modified Darboux transforms (DTs) are presented. For distinct parameters, the one-fold DT is used to simultaneously investigate its first- and second-order breathers, rational W-shaped soliton-like solutions, and rogons. Moreover, we also analyze their wave structures, and relations between these solutions and special parameters. The n-fold DT is also established for the fifth-order NLS equation such that its (2n−1,2n)th-order rogue wave solutions can be found si...Physics Letters AjournalsWed, 28 Aug 2019 15:12:30 +0100722562183How water makes graphene metallic
https://medworm.com/722562182/how-water-makes-graphene-metallic/
Publication date: Available online 27 August 2019Source: Physics Letters AAuthor(s): Michael Hernández, Alejandro Cabo Montes de Oca, Maurice Oliva-Leyva, Gerardo G. NaumisAbstractA simple explanation is given on the tendency of graphene to become metallic when the amount of doped water is increased, an effect which was previously obtained from ab initio band calculations. It is clarified how the effect is mainly determined by oriented water electric dipoles, which create a step like potential at the separation distance between graphene and water planes. By using perturbation theory and an effective potential coupled with a image-charge tail potential, we showed that under increasing the water doping, the lowest energy free band in graphene starts lowering their energies by approaching to...Physics Letters AjournalsWed, 28 Aug 2019 15:12:30 +0100722562182Quantum coherence and entanglement partitions for two driven quantum dots inside a coherent micro cavity
https://medworm.com/722562181/quantum-coherence-and-entanglement-partitions-for-two-driven-quantum-dots-inside-a-coherent-micro-ca/
Publication date: Available online 27 August 2019Source: Physics Letters AAuthor(s): A.-B.A. Mohamed, H. Eleuch, C.H. Raymond OoiAbstractWe explore the coherence and entanglement of two separated quantum dots placed in an open microcavity. The generated entanglement and coherence depend crucially on the two-exciton decay and the initial coherence intensity. The phenomena of sudden death and sudden birth entanglement are observed. (Source: Physics Letters A)Physics Letters AjournalsWed, 28 Aug 2019 15:12:30 +0100722562181Prediction of a new direct-gap silicon phase: T36 silicon
https://medworm.com/722401620/prediction-of-a-new-direct-gap-silicon-phase-t36-silicon/
Publication date: Available online 26 August 2019Source: Physics Letters AAuthor(s): Chun-Xiang Zhao, Yang Huang, Jia-Qi Wang, Chun-Yao Niu, Yu JiaAbstractElemental silicon plays an extremely important role in technologically relevant fields. Owing to its abundance, silicon is the preferred solar-cell materials in spite of the fact that many silicon allotropes have indirect band gaps. Looking for silicon materials with direct band gap is still a significant field in material science. Here, we propose a new silicon allotrope possessing a tetragonal cell with 36 silicon atoms (termed as T36 silicon), which displays P42nmc symmetry. By first-principles calculations, we have systematically studied the structural stabilities, electronic and optical properties of this novel silicon. Our calculat...Physics Letters AjournalsWed, 28 Aug 2019 00:36:25 +0100722401620NaB6Si: A novel wide band gap semiconductor with great hardness
https://medworm.com/721602432/nab6si-a-novel-wide-band-gap-semiconductor-with-great-hardness/
This study provides a fundamental understanding of the structural, mechanical, and electronic properties in NaB6Si. (Source: Physics Letters A)Physics Letters AjournalsSun, 25 Aug 2019 02:03:28 +0100721602432Three-dimensional static analysis of multilayered one-dimensional orthorhombic quasicrystal spherical shells with the piezoelectric effect
https://medworm.com/721602431/three-dimensional-static-analysis-of-multilayered-one-dimensional-orthorhombic-quasicrystal-spherica/
Publication date: Available online 23 August 2019Source: Physics Letters AAuthor(s): Yunzhi Huang, Yang Li, Liangliang Zhang, Han Zhang, Yang GaoAbstractThe static analysis of multilayered one-dimensional orthorhombic piezoelectric quasicrystals spherical shells is presented by using the state vector method. Based on two separated state equations, the solution of a homogenous spherical shell is derived, and the solution for the corresponding multilayered case is obtained via the propagator matrix method. Mechanical behaviors of spherical shells subjected to two kinds of symmetric loads are analyzed, respectively. Under uniformed loads, smaller phonon displacements are achieved in a quasicrystal-skin structure than those in crystal-skin one. Under the compression of rigid half-plane, the ra...Physics Letters AjournalsSun, 25 Aug 2019 02:03:28 +0100721602431Editors
https://medworm.com/721282135/editors/
Publication date: 22 September 2019Source: Physics Letters A, Volume 383, Issue 27Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 23 Aug 2019 20:39:40 +0100721282135Localization of optical pulses in guided wave structures with only fourth order dispersion
https://medworm.com/720490500/localization-of-optical-pulses-in-guided-wave-structures-with-only-fourth-order-dispersion/
Publication date: Available online 19 August 2019Source: Physics Letters AAuthor(s): Wesley B. CardosoAbstractInspired by the recent realization of pure-quartic solitons [Nat. Commun. 7 (2016) 10427], in the present work we study the localization of optical pulses in a similar system, i.e., a silicon photonic crystal air-suspended structure with a hexagonal lattice. The propagation of ultrashort pulses in such a system is well described by a generalized nonlinear Schrödinger (NLS) equation, which in certain conditions works with near-zero group-velocity dispersion and third order dispersion. In this case, the NLS equation has only the fourth order dispersion term. In the present model, we introduce a quasiperiodic linear coefficient that is responsible to induce the localization. The exis...Physics Letters AjournalsTue, 20 Aug 2019 19:15:26 +0100720490500Editors
https://medworm.com/720490470/editors/
Publication date: 12 September 2019Source: Physics Letters A, Volume 383, Issue 26Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 20 Aug 2019 19:15:26 +0100720490470Introducing article numbering to Physics Letters A
https://medworm.com/720490469/introducing-article-numbering-to-physics-letters-a/
Publication date: 12 September 2019Source: Physics Letters A, Volume 383, Issue 26Author(s): Thomas Thayer (Source: Physics Letters A)Physics Letters AjournalsTue, 20 Aug 2019 19:15:26 +0100720490469Quantum diffraction of position-momentum entangled photons from a sharp edge
https://medworm.com/719704669/quantum-diffraction-of-position-momentum-entangled-photons-from-a-sharp-edge/
Publication date: Available online 16 August 2019Source: Physics Letters AAuthor(s): Samridhi Gambhir, Mandip SinghAbstractIn this paper, an experiment of quantum diffraction of position-momentum entangled photons from a straight sharp edge is presented. Path of a single photon of an entangled pair is partially blocked by a sharp edge whereas the other photon is detected at a stationary location without revealing the which-path information of the other photon. Quantum diffraction pattern of the sharp edge is revealed only in the correlated conditional detection of spatially separated photons. Theoretical analysis of the quantum diffraction of position-momentum entangled photons from a sharp edge is also presented in this paper. Experimental measurements of the quantum diffraction pattern a...Physics Letters AjournalsSat, 17 Aug 2019 20:09:21 +0100719704669Broad range frequency – temperature response of Ba2Zn2Fe12O22
https://medworm.com/719072294/broad-range-frequency-temperature-response-of-ba2zn2fe12o22/
Publication date: Available online 14 August 2019Source: Physics Letters AAuthor(s): Bibhuti B. Sahu, S.K. Patri, Banarji BeheraAbstractBa2Zn2Fe12O22 was synthesized by solid state reaction technique. The strongly temperature and frequency dependent electrical properties and complex impedance spectroscopy were analysed. Complex modulus formalism shows the existence of high resistance and small capacitance of the materials for the short range relaxation. The presence of non-Debye type relaxation is revealed from Nyquist plots and enabled to separate the contribution from bulk and grain boundary effect in the material. Further, the ac electrical conductivity of the material was well agreed with the Jonscher's universal power law. (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Aug 2019 11:12:27 +0100719072294Modified KdV equation for magnetized Rossby waves in a zonal flow of the ionospheric E-layer
https://medworm.com/719072293/modified-kdv-equation-for-magnetized-rossby-waves-in-a-zonal-flow-of-the-ionospheric-e-layer/
Publication date: Available online 14 August 2019Source: Physics Letters AAuthor(s): T. Kaladze, L. Tsamalashvili, D. Kaladze, O. Özcan, A. Yesil, M. IncAbstractNonlinear interaction of magnetized Rossby waves with sheared zonal flow in the Earth's ionospheric E-layer is investigated. It is shown that in case of weak nonlinearity 2D Charney vorticity equation can be reduced to the one-dimensional modified KdV equation. (Source: Physics Letters A)Physics Letters AjournalsThu, 15 Aug 2019 11:12:27 +0100719072293Effect of magnetic field on a multi window ladder type electromagnetically induced transparency with 87Rb atoms in vapour cell
https://medworm.com/718913657/effect-of-magnetic-field-on-a-multi-window-ladder-type-electromagnetically-induced-transparency-with/
We report the observation of nine such windows. Such multi window EIT systems are capable of storing pulses at the different frequencies, corresponding to these windows hence paving the way for realization of multi frequency quantum memories. Also, the total bandwidth of storage is 218.4 MHz which is two orders of magnitude higher than that typically obtained in single window EIT based storage systems. These systems have tremendous applications in the field of speedy transmission of data over a long distance quantum communication channel. (Source: Physics Letters A)Physics Letters AjournalsWed, 14 Aug 2019 21:12:22 +0100718913657Influence of the long-range forces in non-Gaussian random-packing dynamics
https://medworm.com/718913656/influence-of-the-long-range-forces-in-non-gaussian-random-packing-dynamics/
Publication date: Available online 13 August 2019Source: Physics Letters AAuthor(s): Carlos Handrey Araujo FerrazAbstractIn this paper, we perform molecular dynamics (MD) simulations to study the random packing of spheres with different particle size distributions. In particular, we deal with non-Gaussian distributions by means of the Lévy distributions. The initial positions as well as the radii of five thousand non-overlapping particles are assigned inside a confining rectangular box. After that, the system is allowed to settle under gravity towards the bottom of the box. Both the translational and rotational movements of each particle are considered in the simulations. In order to deal with interacting particles, we take into account both the contact and long-range cohesive forces. The...Physics Letters AjournalsWed, 14 Aug 2019 21:12:22 +0100718913656Magnon spin Nernst effect on the antiferromagnetic checkerboard lattice
https://medworm.com/718913655/magnon-spin-nernst-effect-on-the-antiferromagnetic-checkerboard-lattice/
Publication date: Available online 13 August 2019Source: Physics Letters AAuthor(s): A.S.T. PiresAbstractIn this paper we study topological effects in an anisotropic checkerboard antiferromagnetic lattice in the presence of the Dzyaloshinskii- Moriya interaction (DMI). The time reversal symmetry is broken by anisotropies in the Hamiltonian. However, in contrast to the honeycomb lattice, the DMI does not open a gap here. We calculate the energy spectrum of the magnons and the spin Nernst coefficient in the presence of a longitudinal temperature gradient. (Source: Physics Letters A)Physics Letters AjournalsWed, 14 Aug 2019 21:12:22 +0100718913655Evolution processes of coupled thermal qubits
https://medworm.com/717816915/evolution-processes-of-coupled-thermal-qubits/
Publication date: Available online 9 August 2019Source: Physics Letters AAuthor(s): Theerawat Chatchawaltheerat, Supitch Khemmani, Julian PoulterAbstractWe investigate the quantum speed limit time (QSLT) of quantum evolution before thermal equilibrium of two coupled qubits each of which is coupled to a separate thermal bath at the same temperature within the Born-Markov approximation. The evolution process in one particular initial state can change between speed-up and speed-down two times before reaching equilibrium. We call this double cusp behaviour. This behaviour is an anomalous phenomenon in evolution processes in the weak-coupling Markovian regime. We study QSLT corresponding to all pure initial energy eigenstates and categorise them. In addition, we also display the conditions for ...Physics Letters AjournalsSat, 10 Aug 2019 18:12:24 +0100717816915First-principles study of metal-semiconductor contact between MX2 (M = Nb, Pt; X = S, Se) monolayers
https://medworm.com/717816914/first-principles-study-of-metal-semiconductor-contact-between-mx2-mnb-pt-xs-se-mo/
Publication date: Available online 9 August 2019Source: Physics Letters AAuthor(s): Akmal Khan, H.U. Din, M. Idrees, Fawad Khan, Tahani A. Alrebdi, Chuong V. Nguyen, M. Shafiq, B. AminAbstractFirst principles calculations are performed to investigate the structural and electronic properties of MX2 (M = Nb, Pt; X = S, Se) monolayers and their van der Waals (vdW) heterostructures. The dynamical stability of monolayers and vdW heterostructures is confirmed by binding energy and phonon spectra. An indirect band gap nature is found for PtS2 and PtSe2 monolayers while NbS2, NbSe2 and all vdW heterostructures are metals. The intrinsic electronic properties of both NbX2 and PtX2 are well preserved due to weak vdW contact. It is demonstrated that a p-type Schottky contact with a small barri...Physics Letters AjournalsSat, 10 Aug 2019 18:12:24 +0100717816914Determining local inhomogeneities of rotating plasma density via microwave refraction
https://medworm.com/717504498/determining-local-inhomogeneities-of-rotating-plasma-density-via-microwave-refraction/
Publication date: Available online 8 August 2019Source: Physics Letters AAuthor(s): Yu.V. Kovtun, Y.V. SiuskoAbstractA method for determining local inhomogeneities of the rotating plasmas is proposed. This method is based on spectral and correlation analysis of the reflected signals from the plasma at normal and oblique microwave incidence. Experimental approbation of the method is made. (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Aug 2019 14:12:26 +0100717504498Induction of an atomically thin ferromagnetic semiconductor in 1T′ phase ReS2 by doping with transition metals
https://medworm.com/717504497/induction-of-an-atomically-thin-ferromagnetic-semiconductor-in-1t-phase-res2-by-doping-with-trans/
Publication date: Available online 8 August 2019Source: Physics Letters AAuthor(s): Jing Pan, Xiaoyu Zhou, Jiansheng Zhong, Jingguo HuAbstractTwo-dimensional 1T′ phase ReS2, a transition metal dichalcogenide, has a unique structure and electronic properties that are independent of thickness. The pure phase is a nonmagnetic semiconductor. Using density functional theory calculations, we show that ReS2 can be tuned to a magnetic semiconductor by doping with transition metal atoms. The magnetism mainly comes from the dopant transition metal and neighboring Re and S atoms as a result of competition between exchange splitting and crystal field splitting. ReS2 doped with Co can be considered as a promising diluted magnetic semiconductor owing to its strong ferromagnetism with long-range ferrom...Physics Letters AjournalsFri, 09 Aug 2019 14:12:26 +0100717504497Power threshold and confinement in discharges achieving high-βN H-mode phases on EAST tokamak
https://medworm.com/717504496/power-threshold-and-confinement-in-discharges-achieving-high-n-h-mode-phases-on-east-tokamak/
Publication date: Available online 8 August 2019Source: Physics Letters AAuthor(s): Yanjun Liu, Zixi Liu, Xiang Gao, Tao Zhang, Yao Yang, Hong Li, Jinlin Xie, Adi Liu, Tao Lan, Chu Zhou, Wenzhe Mao, Weixing Ding, Ge Zhuang, Wandong Liu, EAST TeamAbstractA series of discharges achieving high-βN(>1.5) H-mode phases were obtained on EAST with both LHW and NBI as the heating power, a tungsten divertor, an unfavorable ▽B×B direction configuration for the L-H transition and a lower toroidal field (BT∼1.6T). The experimental power threshold with the unfavorable direction configuration appeared to be higher than previous results with favorable directions in 2014 and 2015, although the tungsten divertor configurations were believed to benefit the L-H transition compared to a graphite divertor...Physics Letters AjournalsFri, 09 Aug 2019 14:12:26 +0100717504496Resonant light absorption and plasmon tunability of lateral triangular Au nanoprisms array
https://medworm.com/717504495/resonant-light-absorption-and-plasmon-tunability-of-lateral-triangular-au-nanoprisms-array/
Publication date: Available online 8 August 2019Source: Physics Letters AAuthor(s): Mengyao Gao, Xuanli Zheng, Imran Khan, Haoyuan Cai, Jinshen Lan, Jing Liu, Jiayuan Wang, Jianyang Wu, Shengli Huang, Shuping Li, Junyong KangAbstractOptical characteristics and electric field distribution of triangular Au nanoprism in a unit and units array under polarized light irradiation were systematically studied by numerical simulation with finite difference time domain method. It is found that the plasmonic properties of the triangular nanoprism are dominated by the electric polarization rather than the wave propagation. The triangular nanoprism presents similar optical response with a strong dipole band under different wave propagations if the electric polarization vectors are parallel to the triang...Physics Letters AjournalsFri, 09 Aug 2019 14:12:26 +0100717504495Electronic properties of the Dirac and Weyl systems with first- and higher-order dispersion in non-Fermi-liquid picture
https://medworm.com/717347539/electronic-properties-of-the-dirac-and-weyl-systems-with-first-and-higher-order-dispersion-in-non-f/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): Chen-Huan WuAbstractWe investigate the non-Fermi-liquid behaviors of the 2D and 3D Dirac/Weyl systems with low-order and higher order dispersion. The self-energy correction, symmetry, free energy, optical conductivity, density of states, and spectral function are studied. We found that, for Dirac/Weyl systems with higher order dispersion, the non-Fermi-liquid features remain even at finite chemical potential, and they are distinct from the ones in Fermi-liquid picture and the conventional non-Fermi-liquid picture. The power law dependence of the physical observables on the energy as well as the logarithmic renormalizations due to the long-range Coulomb interaction are showed. The Landau damping of the longi...Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347539Peculiarities of melting and crystallization of n-decane in a porous glass
https://medworm.com/717347538/peculiarities-of-melting-and-crystallization-of-n-decane-in-a-porous-glass/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): A.L. Pirozerski, O.I. Smirnova, A.I. Nedbai, O.L. Pirozerskaya, N.A. Grunina, V.M. MikushevAbstractMelting and crystallization of n-decane embedded into porous glass with the mean pore size of about 6.4 nm were studied using acoustic and DSC methods. Smearing of the phase transitions, decrease of melting and freezing temperatures, pronounced hysteresis between melting and crystallization were revealed by both methods. In DSC measurements for the pore filling factors 70% and higher double peaks were observed upon cooling while only single peaks were present upon heating. Also a high reduction of the corresponding phase transition heats was revealed. Melting and freezing intervals determined by acoustic and D...Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347538Microstructure and magnetic properties of NdFeB alloys by co-doping alnico elements
https://medworm.com/717347537/microstructure-and-magnetic-properties-of-ndfeb-alloys-by-co-doping-alnico-elements/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): Sajjad Ur Rehman, Qingzheng Jiang, Lunke He, Houdong Xiong, Kai Liu, Lei Wang, Munan Yang, Zhenchen ZhongAbstractElements of alnico 8 are added into Nd-Fe-B alloys fabricated by rapid solidification method. It is observed that the magnetic properties at high temperature improved by small addition of alnico elements. The Curie temperature of the alloys increased from 580 K for standard alloy to 639 K by 20 % addition of alnico 8 elements. The spin reorientation temperature decreased from 133 K to 104 K. The TEM analysis showed that elements of alnico 8 refine the microstructure of Nd-Fe-B ribbons. The STEM analysis confirmed the heterogeneous distribution of Nd, Fe, Cu, Al, Ni and homogeneous distribution of...Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347537Deconvolution of 3-D Gaussian kernels
https://medworm.com/717347536/deconvolution-of-3-d-gaussian-kernels/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): Z.K. SilagadzeAbstractUlmer and Kaissl formulas for the deconvolution of one-dimensional Gaussian kernels are generalized to the three-dimensional case. The generalization is based on the use of the scalar version of the Grad's multivariate Hermite polynomials which can be expressed through ordinary Hermite polynomials. (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347536Understanding the conduction and switching mechanism of Ti/AlOx/TaOx/Pt analog memristor
https://medworm.com/717347535/understanding-the-conduction-and-switching-mechanism-of-tialoxtaoxpt-analog-memristor/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): Sen Liu, Yi Sun, Bing Song, Zhiwei Li, Haijun Liu, Qingjiang LiAbstractIn this letter, the conduction and bipolar switching mechanism of the ultrathin AlOx(3 nm)/TaOx(5 nm) memristor are investigated through the electrical characterization and elemental analysis. The AlOx/TaOx memristor exhibits high uniformity and excellent analog property after initial reset process. The following experiments and analyses demonstrate that the switching behavior could take place over the whole area of TaOx/Pt interface and is dominated by the tunneling barrier modulation induced by oxygen ions migration. (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347535Estimation of decoherence in electromechanical circuits
https://medworm.com/717347534/estimation-of-decoherence-in-electromechanical-circuits/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): Olímpio P. de Sá Neto, Helder A.S. CostaAbstractThis letter presents a schematic circuit with capacitive coupling between the CPW Cavity Center Trace (resonated with electromagnetic mode) and the mechanical Nanoresonator mediated by Transmon, resulting in the Cross-Kerr electromechanical effect. Then we show the dynamics of quantum states, showing the generation of superposition states and bipartite entanglement of continuous variables through nonlinear quantum electrodynamics in the circuit. Finally, we calculated and estimated the parameter for mechanical outcome through phase measurements of the CPW Cavity Center Trace electromagnetic mode. (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347534The mechanical flexibility, electronic structure and carrier mobility of monolayer GeP: A first principles study
https://medworm.com/717347533/the-mechanical-flexibility-electronic-structure-and-carrier-mobility-of-monolayer-gep-a-first-prin/
Publication date: Available online 7 August 2019Source: Physics Letters AAuthor(s): Jie Sun, Jiancai LengAbstractInspired by successful exfoliation in experiment, we explore mechanical, electronic and transport properties of GeP monolayer using first-principles calculations. It is found that the cleavage energy of GeP monolayer is ∼0.39 J/m2, verifying it can be feasibly extracted from its bulk form. The calculated stress-strain relation reveals that monolayer GeP can withstand a tensile stress and strain up to 14.88 GPa and 28%, respectively. The band structure calculations indicate the monolayer GeP possesses an indirect band gap ∼2.28 eV, which can be reduced to 0.43 eV and experiences an indirect-direct transition when axial strain is applied. Besides, the effective masses can be d...Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347533Some remarks on dual helicity flag-dipole spinors
https://medworm.com/717347532/some-remarks-on-dual-helicity-flag-dipole-spinors/
In this report we advance into a mapping procedure transmuting a single helicity spinor into a dual helicity spinor. Such a mathematical mechanism reveal us a class of spinor which fits into fourth class within Lounesto classification [1]. The focus of the present manuscript is to expose the algebraic construction of flag-dipole spinors and briefly explore its underlying physical and mathematical contents. (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347532Editors
https://medworm.com/717347492/editors/
Publication date: 2 September 2019Source: Physics Letters A, Volume 383, Issue 25Author(s): (Source: Physics Letters A)Physics Letters AjournalsFri, 09 Aug 2019 00:09:30 +0100717347492Group chase and escape with prey's anti-attack behavior
https://medworm.com/717033635/group-chase-and-escape-with-preys-anti-attack-behavior/
Publication date: Available online 6 August 2019Source: Physics Letters AAuthor(s): Shuai Zhang, Mingyong Liu, Xiaokang Lei, Panpan Yang, Yunke Huang, Ruaridh ClarkAbstractGroup chase and escape is widely observed in nature, where the predators approach the prey and the prey try to escape. An interesting phenomenon occurs when a prey group is under attack, whereby some individuals perform anti-attack behavior that places themselves at a greater risks of being caught. It remains unclear why certain prey would risk their survival and what conditions and internal mechanisms trigger this anti-attack response. Using a set of local interaction rules among prey and predators, we proposed a continuous-space and discrete-time model that incorporates energy level, variable speed and handling time by...Physics Letters AjournalsWed, 07 Aug 2019 20:03:27 +0100717033635A first-principles insight into Pd-doped MoSe2 monolayer: A toxic gas scavenger
https://medworm.com/717033634/a-first-principles-insight-into-pd-doped-mose2-monolayer-a-toxic-gas-scavenger/
Publication date: Available online 6 August 2019Source: Physics Letters AAuthor(s): Shouxiao Ma, Liancun Su, Li Jin, Jinsheng Su, Ying JinAbstractUsing first-principles theory, we investigate the Pd-doping effect on the geometric and electronic behaviors of MoSe2 monolayer, and the adsorption behavior of Pd-MoSe2 monolayer upon four toxic gases, namely NO, NO2 SO2 and H2S. Desorption property of Pd-MoSe2 monolayer upon four gases at diverse temperatures is analyzed as well to help explore its potential application. For Pd dopant adsorption onto MoSe2 monolayer, somewhat n-type doping is determined, which accounts for the increased conductivity for intrinsic MoSe2 monolayer. The strong adsorption ability and poor desorption performance of Pd-MoSe2 monolayer upon four gases indicate its larg...Physics Letters AjournalsWed, 07 Aug 2019 20:03:27 +0100717033634A time-series approach to measuring node similarity in networks and its application to community detection
https://medworm.com/717033633/a-time-series-approach-to-measuring-node-similarity-in-networks-and-its-application-to-community-det/
Publication date: Available online 6 August 2019Source: Physics Letters AAuthor(s): Bo Yang, Tao Huang, Xu LiAbstractA central concept in network analysis is that of similarity between nodes. In this paper, we introduce a dynamic time-series approach to quantifying the similarity between nodes in networks. The problem of measuring node similarity is exquisitely embedded into the framework of time series for state evolution of nodes. We develop a deterministic parameter-free diffusion model to drive the dynamic evolution of node states, and produce a unique time series for each source node. Then we introduce a measure quantifying how far all the other nodes are located from each source one. Following this measure, a quantity called dissimilarity index is proposed to signify the extent of si...Physics Letters AjournalsWed, 07 Aug 2019 20:03:27 +0100717033633Magnetic quantum ring in two-dimensional topological insulators
https://medworm.com/716718835/magnetic-quantum-ring-in-two-dimensional-topological-insulators/
Publication date: Available online 5 August 2019Source: Physics Letters AAuthor(s): Guo Li, Ning Yang, Weidong Chu, Haifeng Song, Jia-Lin ZhuAbstractThe quantum properties of topological insulator magnetic quantum rings formed by inhomogeneous magnetic fields are investigated using a series expansion method for the modified Dirac equation. Cycloid-like and snake-like magnetic edge states are respectively found in the bulk gap for the normal and inverted magnetic field profiles. The energy spectra, current densities and classical trajectories of the magnetic edge states are discussed in detail. The bulk band inversion is found to manifest itself through the angular momentum transition in the ground state for the cycloid-like states and the resonance tunneling effect for the snake-like state...Physics Letters AjournalsTue, 06 Aug 2019 15:15:26 +0100716718835Tuning the electronic and magnetic properties of zigzag silicene nanoribbons by 585 defects
https://medworm.com/716718834/tuning-the-electronic-and-magnetic-properties-of-zigzag-silicene-nanoribbons-by-585-defects/
Publication date: Available online 5 August 2019Source: Physics Letters AAuthor(s): Haixia Dong, Dangqi Fang, Baihua Gong, Yang Zhang, Erhu Zhang, Shengli ZhangAbstractUsing first-principles calculations, we study the geometric structures, formation energies, electronic and magnetic properties of zigzag silicene nanoribbons (ZSiNRs) with 585 defects. There are two kinds of 585 defects in ZSiNRs referred as 585-Iand 585-II, respectively. It is found that no matter which one of the two types, it is the most stable at the edge of the ZSiNR, and at this time it is even more stable than that in an infinite silicene sheet. Utilizing 585 defects, it can transform ZSiNRs from antiferromagnetic semiconductors into metals or half-metals. Especially, defective ZSiNRs may display nearly 100% spin-pola...Physics Letters AjournalsTue, 06 Aug 2019 15:15:26 +0100716718834Surface electromagnetic waves at the interface between dissipative porous nanocomposite and hypercrystal under different temperatures
https://medworm.com/716718833/surface-electromagnetic-waves-at-the-interface-between-dissipative-porous-nanocomposite-and-hypercry/
Publication date: Available online 5 August 2019Source: Physics Letters AAuthor(s): I. FedorinAbstractIn the current paper the properties of surface plasmon polaritons as well as hybrid polarized surface electromagnetic waves at the plane interface of a porous semiconductor nanomaterial and a hypercrystal are studied theoretically and numerically. The nanomaterial, as well as the hypercrystal, is made of n-type doped indium antimonide (n-InSb) semiconductor layers. The losses which inherent to the semiconductor materials are taken into account. To describe the properties of the constituent semiconductor layers the approximate analytical temperature models for concentration and mobility of conduction electrons are applied. This allows to consider the effect of electron scattering on the pro...Physics Letters AjournalsTue, 06 Aug 2019 15:15:26 +0100716718833Thermoelectric performance of monolayer Bi2Te2Se of ultra low lattice thermal conductivity
https://medworm.com/716718832/thermoelectric-performance-of-monolayer-bi2te2se-of-ultra-low-lattice-thermal-conductivity/
Publication date: Available online 5 August 2019Source: Physics Letters AAuthor(s): Bin Xu, Liangong Song, Gaohui Peng, Jing Zhang, Shanshan Ma, Yusheng Wang, Yuanxu WangAbstractThe electronic structure and thermoelectric properties of monolayer Bi2Te2Se were studied by density functional theory and semi-classical Boltzmann transport equation. The band gap with TB-mBJ can be improved for monolayer Bi2Te2Se. Monolayer Bi2Te2Se have ultra-low thermal conductivity comparing with other well-known two-dimensional materials. The monolayer Bi2Te2Se can improve electrical conductivities. ZT increases with increasing temperature for monolayer Bi2Te2Se. Comparing to GGA, TB-mBJ has larger ZT value in p-type doping. Monolayer Bi2Te2Se have larger ZT comparing with other well-known two-dimensional mat...Physics Letters AjournalsTue, 06 Aug 2019 15:15:26 +0100716718832Phase transition of a second kind in nickel as observed through optical reflection under pressure
https://medworm.com/716718831/phase-transition-of-a-second-kind-in-nickel-as-observed-through-optical-reflection-under-pressure/
Publication date: Available online 5 August 2019Source: Physics Letters AAuthor(s): Moris Sudai, Noaz Nissim, Shalom EliezerAbstractThe magnetic permeability of materials at optical frequencies is usually suggested in the literature to be μ=1. In this case one cannot expect to measure the magnetic second order phase transition at optical frequencies. The main novel idea of this paper is that the magnetic permeability μ is not equal to 1 for optical frequency and a phase transition of magnetism was measured experimentally with an optical frequency. In particular, this work presents the detection of a magnetic second order phase transition in nickel with temperature and at different pressures, by reflectivity measurements at an optical frequency. Based on our experiments the magnetic perme...Physics Letters AjournalsTue, 06 Aug 2019 15:15:26 +0100716718831Orthorhombic C10: A new superdense carbon allotrope
https://medworm.com/715939468/orthorhombic-c10-a-new-superdense-carbon-allotrope/
Publication date: Available online 2 August 2019Source: Physics Letters AAuthor(s): Qun Wei, Wen Tong, Ruike Yang, Haiyan Yan, Bing Wei, Meiguang Zhang, Xinchao Yang, Rui ZhangAbstractBy using unbiased crystal structure searching technique combined with first-principles calculations, a new superdense carbon phase C10 (space group: C222) with a density of 3.55g/cm3 (larger than that of diamond (3.50g/cm3)) is uncovered. The C10 phase has a 10-atom unit cell in the full sp3 bonding network. A systematic theoretical study of the electronic, dynamic, optical, and elastic properties of superdense carbon C10 was carried out. In addition, we studied the homologous fracture mode by calculating the ideal tensile and shear strength of C10 phase. It was confirmed that C10 is a superhard insulator mat...Physics Letters AjournalsSat, 03 Aug 2019 16:42:26 +0100715939468Nitrogen-rich GaN5 and GaN6 as High Energy Density Materials With Modest Synthesis Condition
https://medworm.com/715939467/nitrogen-rich-gan5-and-gan6-as-high-energy-density-materials-with-modest-synthesis-condition/
Publication date: Available online 2 August 2019Source: Physics Letters AAuthor(s): Zhao Liu, Da Li, Shuli Wei, Yan Liu, Fubo Tian, Defang Duan, Tian CuiAbstractHere, the energetic gallium nitrides with the network and zigzag poly-nitrogen configurations at modest pressures have been predicted. The nitrogen-rich Cmc21-GaN5, high-pressure P21/m-GaN5 and C2/c-GaN6 phases can release higher energy of ∼3.27 kJ g−1, 4.12 kJ g−1, 5.71 kJ g−1, respectively, which are close to or even higher than that of the traditional high energy density materials TNT and possess distinguished detonation performance simulated. The predicted synthesis pressures of GaN5 and GaN6 (25 and 50 GPa) are much lower than that of the famous atomic cg-N. The VSEPR theory and Zintl-Klemm concept are employed to reas...Physics Letters AjournalsSat, 03 Aug 2019 16:42:26 +0100715939467LiB6Si: An indirect band gap semiconductor
https://medworm.com/715939466/lib6si-an-indirect-band-gap-semiconductor/
Publication date: Available online 2 August 2019Source: Physics Letters AAuthor(s): Zhikang Yuan, Dongli YuAbstractUsing first-principle calculations, mechanical properties, electronic structure, and Raman spectra of LiB6Si structure were investigated. The band structures calculated by GGA-PBE and HSE06 methods reveal that LiB6Si is an indirect band gap semiconductor. The band gap estimated by HSE06 method is about 2.24 eV, which is in good agreement with that of experimental value 2.27 eV. The calculated tensile stress-strain curves of LiB6Si reveal that [010] direction is the cleavage direction under tensile strains. The calculated Raman spectra of LiB6Si are also in good agreement with that of measured. The position of the band gap may provide a basis for further photocatalysis research...Physics Letters AjournalsSat, 03 Aug 2019 16:42:26 +0100715939466Investigate the z-average mean-square radius of gyration of star-shape polymers using the average number of subchains
https://medworm.com/715939465/investigate-the-z-average-mean-square-radius-of-gyration-of-star-shape-polymers-using-the-average-nu/
Publication date: Available online 2 August 2019Source: Physics Letters AAuthor(s): Yuelan Tian, Hongzan Song, Fang Gu, Libin Bai, Haijun Wang, Xinwu BaAbstractThe general treatment is proposed to investigate the explicit expressions of the average number of subchains with definite monomer sequences on the polymer skeleton, in which the AB+Af type polycondensation is chosen as the classical model of polymerization. The linear homo-polymers and star-shape co-polymers are examined to derive the z-average mean-square radius of gyration, respectively, where the mass of monomers are taken into consideration. Furthermore, the z-average mean-square radius of gyration of mixture sample is calculated, in which the weight factors of the co-polymer and homo-polymer for the non-fractionated samples ar...Physics Letters AjournalsSat, 03 Aug 2019 16:42:26 +0100715939465Perspectives on spin hydrodynamics in ferromagnetic materials
https://medworm.com/715939464/perspectives-on-spin-hydrodynamics-in-ferromagnetic-materials/
This article provides an overview of the theoretical foundations of spin hydrodynamics and their physical interpretation in the context of spin transport. We discuss other proposed applications for spin hydrodynamics as well as our view on challenges and future research directions. (Source: Physics Letters A)Physics Letters AjournalsSat, 03 Aug 2019 16:42:26 +0100715939464Efficiency and power enhancement of solar cells by dark states
https://medworm.com/715939463/efficiency-and-power-enhancement-of-solar-cells-by-dark-states/
Publication date: Available online 2 August 2019Source: Physics Letters AAuthor(s): Sangchul OhAbstractWe study how dark states enhance the efficiency and power of a solar cell as a quantum heat engine. Conventional approaches assume the solar cell is in thermal equilibrium with both hot and cold baths simultaneously. We propose an description that a solar cell is surrounded only by the cold bath and the thermal radiation from the hot bath is described by a pumping term in a master equation. We calculated the current-voltage curve, the power-voltage curve, the efficiency, and the power of the solar cell for different photon fluxes. It is found that as the photon flux increases, the power output increases linearly at first and then becomes saturated, but the efficiency decreases rapidly. It...Physics Letters AjournalsSat, 03 Aug 2019 16:42:26 +0100715939463Beam-core evolution equation and space-charge limit
https://medworm.com/715474062/beam-core-evolution-equation-and-space-charge-limit/
Publication date: Available online 31 July 2019Source: Physics Letters AAuthor(s): Taufik, Ken TakayamaAbstractThe nonlinear beam-core evolution equation approach is proposed as a powerful tool to estimate the acceptable beam current in a given circular accelerator. The approach is justified by the macroparticle simulation over a wide beam current parameter region. Space-charge effects on the beam-core evolution are discussed by Poincaré mapping on the beam-core phase space (σ, dσ/ds). The instability seen in the beam-core evolution is rigorously analyzed as an eigenvalue problem in the coupled linear system derived from the linearized beam-core evolution equations. A threshold current resulting in the instability is given by both the nonlinear beam-core evolution equation approach and ...Physics Letters AjournalsThu, 01 Aug 2019 22:36:38 +0100715474062On the thermophoresis in dense dust structures in neon plasma
https://medworm.com/715161356/on-the-thermophoresis-in-dense-dust-structures-in-neon-plasma/
Publication date: Available online 30 July 2019Source: Physics Letters AAuthor(s): V.V. Shumova, D.N. Polyakov, E.K. Mataybaeva, L.M. VasilyakAbstractNumerical study of the effect of dust particle concentration on the thermophoretic force acting on a dust particle inside a dust structure in plasma has been carried out. The experimental data on the formation of voids in dust structures formed by 2.55 μm dust particles in a glow dc discharge in neon have been used. The simulation has been performed using the diffusion-drift model with taking into account joule heating of discharge. The dependence of the thermophoretic force acting on a dust particle in a dust structure on the ratio of atom mean free path to the distance between the adjacent particles in the dust structure has been obtained....Physics Letters AjournalsWed, 31 Jul 2019 18:03:31 +0100715161356Quantifying information loss on chaotic attractors through recurrence networks
https://medworm.com/715161355/quantifying-information-loss-on-chaotic-attractors-through-recurrence-networks/
Publication date: Available online 30 July 2019Source: Physics Letters AAuthor(s): K.P. Harikrishnan, R. Misra, G. AmbikaAbstractWe propose an entropy measure for the analysis of chaotic attractors through recurrence networks which are un-weighted and un-directed complex networks constructed from time series of dynamical systems using specific criteria. We show that the proposed measure converges to a constant value with increase in the number of data points on the attractor (or the number of nodes on the network) and the embedding dimension used for the construction of the network, and clearly distinguishes between the recurrence network from chaotic time series and white noise. Since the measure is characteristic to the network topology, it can be used to quantify the information loss as...Physics Letters AjournalsWed, 31 Jul 2019 18:03:31 +0100715161355Editors
https://medworm.com/714850026/editors/
Publication date: 22 August 2019Source: Physics Letters A, Volume 383, Issue 24Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 30 Jul 2019 13:13:19 +0100714850026Shape-induced anisotropy in epitaxial Fe3O4 nanopillars
https://medworm.com/713613497/shape-induced-anisotropy-in-epitaxial-fe3o4-nanopillars/
Publication date: Available online 24 July 2019Source: Physics Letters AAuthor(s): M. Guan, G. Dong, Z. Hu, B. Peng, Y. He, W.Z. Cui, Z. Zhou, M. LiuAbstractFe3O4 nanopillars with remarkably high uniformity and crystallinity are grown on (100)-oriented magnesium aluminate substrates by pulsed laser deposition with a simple anodic-aluminum-oxide template method. Compared with Fe3O4 full film, the nanopillars exhibit higher in-plane magnetic saturation field and lower out-of-plane saturation field. The angular-dependent ferromagnetic resonance, investigated by electron spin resonance spectroscopy, confirms the shape-induced anisotropy change in Fe3O4 nanopillars. High Gilbert damping parameter of 0.23 is obtained by measuring the resonance field at different microwave frequencies. (Source: P...Physics Letters AjournalsThu, 25 Jul 2019 20:03:33 +0100713613497Magnetotransport in a zigzag monolayer MoS2 nanoribbon with ferromagnetic electrodes
https://medworm.com/713613496/magnetotransport-in-a-zigzag-monolayer-mos2-nanoribbon-with-ferromagnetic-electrodes/
Publication date: Available online 24 July 2019Source: Physics Letters AAuthor(s): J.-J. Jin, R.-Y. Yuan, Q.-J. Yang, J.L. Tang, A.G. Du, J. Zheng, Y. GuoAbstractIn this research, using the three-band tight-binding model combined with a non-equilibrium Green's function technique, spin-dependent electron transport was investigated in the quantum structure of zigzag monolayer molybdenum disulfide with ferromagnetic electrodes. It was shown that in parallel configurations, the conductance exhibited a quantized oscillating phenomenon, while in the antiparallel configurations with increasing magnetization, the conductance showed a zero platform in a large-energy region. We observed a giant magnetoresistance effect. Moreover, the length of the central part of the structure had a certain influenc...Physics Letters AjournalsThu, 25 Jul 2019 20:03:33 +0100713613496Spin-independent and spin-dependent re-excitation in CdZnTe studied by pump-probe spectroscopy
https://medworm.com/713613495/spin-independent-and-spin-dependent-re-excitation-in-cdznte-studied-by-pump-probe-spectroscopy/
Publication date: Available online 24 July 2019Source: Physics Letters AAuthor(s): Lihua Teng, Lijun Mu, Xia WangAbstractTime-resolved pump-probe spectroscopy is used to study the re-excitation processes of spin-balanced and spin-polarized electrons trapped by the defect levels in Cd0.86Zn0.14Te. In CdTe, Cd0.96Zn0.04Te, and Cd0.86Zn0.14Te, the electron trapping time and lifetime decrease with the increasing defect density of states that depends on the Zn composition. The abnormal linearly and circularly polarized pump-probe spectroscopies, respectively, demonstrate the presence of spin-independent and spin-dependent re-excitation processes in Cd0.86Zn0.14Te which have high defect density of states. (Source: Physics Letters A)Physics Letters AjournalsThu, 25 Jul 2019 20:03:33 +0100713613495Generalized Ablowitz-Ladik equation with a dual Lagrangian structure
https://medworm.com/713301307/generalized-ablowitz-ladik-equation-with-a-dual-lagrangian-structure/
This article presents a generalized Ablowitz-Ladik (GAL) equation that can be obtained by means of the least action principle in two different ways. This GAL equation may describe the evolution of a discrete system, in which case it is derived from a Langrangian L which obeys a standard Lagrange equation. But this GAL equation may also describe a continuous system with nonlocal interactions, and in this case it is obtained from a different Lagrangian density L which obeys completely different Euler-Lagrange equations. The Lagrangian density L permits us to obtain variational solutions and Noether's conservation laws. Anderson's variational method predicts the existence of breathers and soliton-like solutions, and direct numerical solutions confirm the existence of these waves. The relation...Physics Letters AjournalsWed, 24 Jul 2019 14:12:30 +0100713301307The influence of random edge defects on the electric and optical properties of phosphorene nanoribbons along zigzag direction
https://medworm.com/713144248/the-influence-of-random-edge-defects-on-the-electric-and-optical-properties-of-phosphorene-nanoribbo/
Publication date: Available online 22 July 2019Source: Physics Letters AAuthor(s): Zhe Zhou, Jian Li, Jie-Yun YanAbstractPhosphorene nanoribbons are one-dimensional semiconductors with possible edge states falling within its energy bandgap. We build the connection between the possible configurations of edge defects and the corresponding electric and optical properties in practice systems. The influence of the random defects or roughness at the edges of phosphorene nanoribbons cutting along zigzag direction is investigated quantitatively. Theoretical calculations show that the absorption peak due to the transitions involving edge states has an obvious blue shift with the zigzag-type positions at the edges increasing. The absorption thus can be used to estimate the random defects or roughnes...Physics Letters AjournalsWed, 24 Jul 2019 00:03:32 +0100713144248Principle of Unattainability of absolute zero temperature, the Third Law of Thermodynamics, and projective quantum measurements
https://medworm.com/713144247/principle-of-unattainability-of-absolute-zero-temperature-the-third-law-of-thermodynamics-and-proj/
Publication date: Available online 22 July 2019Source: Physics Letters AAuthor(s): Tien D. KieuAbstractThe Principle of Unattainability rules out the attainment of absolute zero temperature by any finite physical means, no matter how idealised they could be. Nevertheless, we clarify that the Third Law of Thermodynamics, as defined by Nernst's heat theorem statement, is distinct from the Principle of Unattainability in the sense that the Third Law is mathematically equivalent only to the unattainability of absolute zero temperature by quasi-static adiabatic processes. This, on the one hand, leaves open the possibility of attainability of absolute zero by non-adiabatic means, without violating the Third Law. On the other hand, we point out some apparent incompatibility between the Postulate ...Physics Letters AjournalsWed, 24 Jul 2019 00:03:32 +0100713144247A physical perspective on classical cloning
https://medworm.com/713144246/a-physical-perspective-on-classical-cloning/
Publication date: Available online 22 July 2019Source: Physics Letters AAuthor(s): Anirudh Reddy, Joseph Samuel, Supurna SinhaAbstractThe celebrated quantum no-cloning theorem states that an arbitrary quantum state cannot be cloned perfectly. This raises questions about cloning of classical states, which have also attracted attention. Here, we present a physical approach to the classical cloning process showing how cloning can be realised using Hamiltonians. After writing down a canonical transformation that clones classical states, we show how this can be implemented by Hamiltonian evolution. We then propose an experiment using the tools of nonlinear optics to realise the ideas presented here. Finally, to understand the cloning process in a more realistic context, we introduce statistical...Physics Letters AjournalsWed, 24 Jul 2019 00:03:32 +0100713144246Robust entanglement transfer through a disordered qubit ladder
https://medworm.com/713144245/robust-entanglement-transfer-through-a-disordered-qubit-ladder/
Publication date: Available online 22 July 2019Source: Physics Letters AAuthor(s): Guilherme M.A. Almeida, Andre M.C. Souza, Francisco A.B.F. de Moura, Marcelo L. LyraAbstractWe study an entanglement transfer protocol in a two-leg ladder spin-1/2 chain in the presence of disorder. In the scenario where the on-site energies and intrachain couplings are correlated, following approximately constant proportions along the chain, we set up a scheme for high-fidelity state transfer via a particular subspace wherein effective fluctuations in the parameters ultimately depend on the degree of such correlations, rather on the disorder featured by each leg individually, accounted by a box distribution of strength W. Moreover, we find that the leakage of information out of that subspace is suppressed u...Physics Letters AjournalsWed, 24 Jul 2019 00:03:32 +0100713144245Unambiguous determining the Curie point in perovskite manganite with second-order phase transition by scaling method
https://medworm.com/712366138/unambiguous-determining-the-curie-point-in-perovskite-manganite-with-second-order-phase-transition-b/
Publication date: Available online 19 July 2019Source: Physics Letters AAuthor(s): Yunfei Xie, Jiyu Fan, Lisha Xu, Xiyuan Zhang, Ruixing Xu, Yan Zhu, Rujun Tang, Caixia Wang, Chunlan Ma, Li Pi, Yuheng Zhang, Hao YangAbstractThe accurate determination of the Curie temperature (TC) is particularly important in describing the magnetic behavior close to the paramagnetic-ferromagnetic (PM-FM) phase transition. In this paper, we studied the magnetic phase transition and accurately predicted the Curie point of perovskite manganite La0.825Sr0.175MnO3. We find the compound shows a second-order PM-FM transition and has a large magnetic entropy change (MEC) in vicinity of phase transition region. Based on the scaling law and the correlation between magnetic field and MEC, the precise and magnetic-ind...Physics Letters AjournalsSun, 21 Jul 2019 01:12:28 +0100712366138High-pressure synthesis, structure and magnetic properties of LaCrO3 ceramics
https://medworm.com/712366137/high-pressure-synthesis-structure-and-magnetic-properties-of-lacro3-ceramics/
Publication date: Available online 19 July 2019Source: Physics Letters AAuthor(s): Hai-Shan Xu, Yan-Wei Yang, Rui-Long Wang, Hai-Bo Xiao, Ling-Fang Xu, Shi-Heng Liang, Chang-ping YangAbstractSingle-phase LaCrO3 ceramics was synthesized successfully by the solid state sintering method under high pressure (5 GPa). X-ray diffraction measurements suggest that the high-pressure synthesized sample is well-crystallized, but the cell volume is larger than that of the sample synthesized under ambient pressure, which can be ascribed to the occurrence of Cr2+ converted form part of Cr3+. Such mixed valent state with coexistence of Cr2+ and Cr3+ could be confirmed by X-ray photoelectron spectroscopy measurements. Magnetic measurement results indicate that in addition to antiferromagnetic superexchange...Physics Letters AjournalsSun, 21 Jul 2019 01:12:28 +0100712366137Ising model with invisible states on scale-free networks
https://medworm.com/712366136/ising-model-with-invisible-states-on-scale-free-networks/
Publication date: Available online 19 July 2019Source: Physics Letters AAuthor(s): Petro Sarkanych, Mariana KrasnytskaAbstractWe consider the Ising model with invisible states on scale-free networks. Our goal is to investigate the interplay between the entropic and topological influence on a phase transition. The former is manifest through the number of invisible states r, while the latter is controlled by the network node-degree distribution decay exponent λ. We show that the phase diagram, in this case, is characterised by two marginal values rc1(λ) and rc2(λ), which separate regions with different critical behaviours. Below the rc1(λ) line the system undergoes only second order phase transition; above the rc2(λ) – only a first order phase transition occurs; and in-between the lin...Physics Letters AjournalsSun, 21 Jul 2019 01:12:28 +0100712366136Spin thermoelectrics
https://medworm.com/712056356/spin-thermoelectrics/
Publication date: Available online 18 July 2019Source: Physics Letters AAuthor(s): Haiming Yu, Weiwei Lin, Jean-Philippe Ansermet (Source: Physics Letters A)Physics Letters AjournalsFri, 19 Jul 2019 21:06:29 +0100712056356Nonlinear excitation and stability analysis of ion-acoustic waves in a magnetized quantum plasma with exchange-correlation effects of degenerate electrons
https://medworm.com/712056355/nonlinear-excitation-and-stability-analysis-of-ion-acoustic-waves-in-a-magnetized-quantum-plasma-wit/
Publication date: Available online 18 July 2019Source: Physics Letters AAuthor(s): Shahzad Mahmood, Hafeez Ur-Rehman, Sajjad Hussain, Muhammad AdnanAbstractThe nonlinear ion-acoustic wave excitation and its stability analysis are investigated in a magnetized quantum plasma with exchange-correlation and Bohm diffraction effects of degenerate electrons in the model. Using reductive perturbation technique, the Zakharov-Kuznetsov (ZK) equation is derived for two dimensional propagation of ion-acoustic wave in a magnetized quantum plasma. It is found that the phase speed, amplitude and width of the nonlinear ion-acoustic wave structures are affected in the presence of exchange-correlation potential in the model. The stability analysis of the 2D ion-acoustic wave pulse is also presented. It is f...Physics Letters AjournalsFri, 19 Jul 2019 21:06:29 +0100712056355Structure transition and photoluminescence of CdS/Si nanoheterostructure array on thermal annealing
https://medworm.com/712056354/structure-transition-and-photoluminescence-of-cdssi-nanoheterostructure-array-on-thermal-annealing/
Publication date: Available online 18 July 2019Source: Physics Letters AAuthor(s): Peng Fei Ji, Yong Li, Yue Li Song, Feng Qun Zhou, Ming Li Tian, Shu Qing YuanAbstractCdS/Si heterojunctions have been prepared through growing CdS nanocrystallites (nc-CdS) on the silicon nanoporous pillar array (Si-NPA) by the chemical bath deposition method. Cadmium nanocrystallites (nc-Cd) have been observed and ascribed to the reducibility of Si-NPA. The reason for the appearance of CdO is indistinct and the related work will be done in the future. The blue, green and red emissions are ascribed to the silicon oxide layer, band gap of nc-CdS and the sulphur vacancies, respectively. Redshift and blueshift with the annealing temperature about green emissions are contributed to quantum size effect and the st...Physics Letters AjournalsFri, 19 Jul 2019 21:06:29 +0100712056354The median-based resolution of the St. Petersburg paradox
https://medworm.com/711744925/the-median-based-resolution-of-the-st-petersburg-paradox/
Publication date: Available online 17 July 2019Source: Physics Letters AAuthor(s): Takuya Okabe, Momoka Nii, Jin YoshimuraAbstractThe St. Petersburg Paradox contributed to establishing expected utility theory by demonstrating that decision making based on the expectation (expected value, or mean, average) leads to an unreasonable behavior. Although the expected value is commonly used as an optimization criterion in various fields of mathematical sciences, such paradoxical problems as arbitrariness and intransitivity have led many researchers to forsake expected utility theory in search of more useful alternatives. Here we show an analytical solution of the St. Petersburg Paradox based on the median of the probability distribution. The present method provides a reasonable solution to any re...Physics Letters AjournalsThu, 18 Jul 2019 16:12:24 +0100711744925Frictional effect on stability of discontinuity interface in tangential velocity of a shallow-water flow
https://medworm.com/711744924/frictional-effect-on-stability-of-discontinuity-interface-in-tangential-velocity-of-a-shallow-water-/
Publication date: Available online 17 July 2019Source: Physics Letters AAuthor(s): Liangbing Jin, Lê Thị Thái, Yasuhide FukumotoAbstractWe examine a frictional effect on the linear stability of an interface of discontinuity in tangential velocity. The fluid is moving with uniform velocity U in a region but is at rest in the other, and the bottom surface is assumed to exert drag force, quadratic in velocity, on the thin fluid layer. In the absence of the drag, the instability of the Kelvin-Helmholtz type is suppressed for U>8c, with c being the propagating speed of the gravity wave. We find by asymptotic analyses for both small and large values of the drag strength that the drag, regardless of its strength, makes the flow unstable for the whole range of the Froude number U/c. (Source: P...Physics Letters AjournalsThu, 18 Jul 2019 16:12:24 +0100711744924Detecting nonclassicality of light via Lieb's concavity
https://medworm.com/711744923/detecting-nonclassicality-of-light-via-liebs-concavity/
Publication date: Available online 17 July 2019Source: Physics Letters AAuthor(s): Shunlong Luo, Yue ZhangAbstractNonclassical light states are important for both conceptual and practical reasons: they are basic ingredients in testing and exploring quantum foundations, and are crucial resources in quantum technologies. Various useful criteria have been developed to detect nonclassicality in the literature, and several meaningful measures of nonclassicality have been introduced and measured experimentally. In this work, by use of a non-Hermitian generalization of the Wigner-Yanase-Dyson skew information and playing with operator ordering in evaluating average photon number, we develop a novel family of criteria for detecting nonclassicality of light based on Lieb's concavity, which is a dee...Physics Letters AjournalsThu, 18 Jul 2019 16:12:24 +0100711744923Manipulation of dielectric, ferroelectric and magnetic anomalies in multiferroic, morphotropic phase boundary quenched BiFeO3-0.35PbTiO3 solid solutions
https://medworm.com/711433267/manipulation-of-dielectric-ferroelectric-and-magnetic-anomalies-in-multiferroic-morphotropic-phase/
Publication date: Available online 16 July 2019Source: Physics Letters AAuthor(s): Layiq Zia, G. Hassnain Jaffari, Jamil Ur Rahman, Soonil Lee, S. Ismat ShahAbstractThe effect of thermal quenching on physical properties of morphotropic phase boundary BiFeO3-0.35PbTiO3 composition, composed of Pnma, R3c and P4mm phases, has been investigated in detail. We detected and quantified role of quenching through investigation of magnetic, dielectric and ferroelectric anomalies. Quenching significantly i) enhances the tetragonal phase percentage (hence affects domain structure), ii) reduces domain wall clamping with a large increase in electrical polarization, iii) increases magnetization at the structural phase transition temperature (tunable magneto-electric coupling), iv) magnifies intrinsic prop...Physics Letters AjournalsWed, 17 Jul 2019 11:15:32 +0100711433267A numerical method for fractional Schrödinger equation of Lennard-Jones potential
https://medworm.com/710502721/a-numerical-method-for-fractional-schrdinger-equation-of-lennard-jones-potential/
Publication date: Available online 12 July 2019Source: Physics Letters AAuthor(s): Marwan Al-Raeei, Moustafa Sayem El-DaherAbstractDepending on fractional analysis, we find a numerical algorithm to solve the time-independent fractional Schrödinger equation in case of Lennard-Jones potential in one dimension. We apply the algorithm for multiple values of the fractional parameter of the space-dependent fractional Schrödinger equation and multiple values of the system's energy to find the wave function and the probability in these cases. (Source: Physics Letters A)Physics Letters AjournalsSat, 13 Jul 2019 22:06:23 +0100710502721Hole doped α-MgAgSb as potential low temperature thermoelectric materials
https://medworm.com/710502720/hole-doped-mgagsb-as-potential-low-temperature-thermoelectric-materials/
Publication date: Available online 12 July 2019Source: Physics Letters AAuthor(s): Gang Zhou, Ji-wen Xu, Guang-hui RaoAbstractThe electronic structures and thermoelectric transport properties of α-MgAgSb were systematically investigated by using the first principles calculations combined with the Boltzmann transport equations. It is found that the thermoelectric properties of p-type α-MgAgSb are much better than those of n-type one, which originates from the steeper slope of the density of states at the edge of the valence band. By analyzing the density of states and partial charge density, we conclude that p-doping at the Mg-site does not modify the electronic states, but can optimize the carrier concentration. The effects of the carrier concentration and temperature on the thermoelectr...Physics Letters AjournalsSat, 13 Jul 2019 22:06:23 +0100710502720Evolution of cooperation in the spatial public goods game with the third-order reputation evaluation
https://medworm.com/710502719/evolution-of-cooperation-in-the-spatial-public-goods-game-with-the-third-order-reputation-evaluation/
Publication date: Available online 12 July 2019Source: Physics Letters AAuthor(s): Yang Wenpan, Juan Wang, Chengyi XiaAbstractIn this letter, in order to deeply explore the role of individual reputation in the evolutionary game dynamics, we present a new third-order reputation evaluation model to discuss the evolution of cooperation in the spatial public goods game. In the current model, we should not only consider the strategy (cooperation, C or defection, D) of a focal player, but also take his own reputation and his opponent's reputation status into account. Among them, the individual reputation will be divided into being good and bad according to the specified threshold, and the good player will be endowed with the more influential strategy transfer ability, which further helps to crea...Physics Letters AjournalsSat, 13 Jul 2019 22:06:23 +0100710502719Magnetic transitions in delafossite CuFeO2: A magnetocaloric effect study
https://medworm.com/710502718/magnetic-transitions-in-delafossite-cufeo2-a-magnetocaloric-effect-study/
Publication date: Available online 12 July 2019Source: Physics Letters AAuthor(s): Lei Zhang, Bernard A. Goodman, DingKang Xiong, Wen DengAbstractCuFeO2 was synthetized by a solid-state reaction and its low temperature magnetic properties investigated using the magnetocaloric effect. Magnetic susceptibility measurements show that there are two magnetic transition temperatures at about 16 and 11 K. Measurement of isothermal magnetization curves for different applied magnetic fields near these temperatures show a reversal in the magnetization trend around 11 K, and Arrott plots indicate they are accompanied by second- and first-order magnetic phase transitions, respectively. Both normal and inverse magnetocaloric effects are observed, and the maximum magnetic entropy change is obtained at 11...Physics Letters AjournalsSat, 13 Jul 2019 22:06:23 +0100710502718Design of a negative group delay filter via reservoir computing approach: Real-time prediction of chaotic signals
https://medworm.com/710190843/design-of-a-negative-group-delay-filter-via-reservoir-computing-approach-real-time-prediction-of-ch/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Tatjana Pyragiene, Kestutis PyragasAbstractAn optimal arbitrary order filter with negative group delay is proposed for a real-time prediction of complex band-limited signals. The filter consists of a set of second-order linear dissipative oscillators and is determined by a rational transfer function with fixed poles and optimized zeros. The filter design and optimization algorithm is based on a reservoir computing approach. The predictive properties of the filter are demonstrated numerically for two chaotic model systems — the finite-dimensional Rössler system and the infinite-dimensional Mackey-Glass system, as well as for the real biological signal of the fingertip photoplethysmogram. (Source: Physics L...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190843Band alignment regulation of HfO2/SiC heterojunctions induced by PEALD with in situ NH3-plasma passivation
https://medworm.com/710190842/band-alignment-regulation-of-hfo2sic-heterojunctions-induced-by-peald-with-in-situ-nh3-plasma-passi/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Dawei Xu, Li Zheng, Xinhong Cheng, Gang Wang, Qian Wang, Wenbo Xin, Peiyi Ye, Lingyan Shen, Yuehui YuAbstractThe efficient passivation of in situ NH3-plasma pre-treatment and its regulation of the band alignment between HfO2 and 4H-SiC have been investigated by XPS. With in situ NH3-plasma passivation by PEALD, a VBO of 0.72 eV and a CBO of 1.54 eV can be obtained across the HfO2/4H-SiC interface. The Si-O bonds components reduction in the passivated interface layers will lead to band bending or band shift at the interface and regulate the band alignments between HfO2 and 4H-SiC. The physical mechanism investigation of band alignments can be a cornerstone for the application of HfO2/4H-SiC heterojunctions in...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190842Experimental study of the effect of propellant asymmetrical distribution on anode current in a Hall effect thruster
https://medworm.com/710190841/experimental-study-of-the-effect-of-propellant-asymmetrical-distribution-on-anode-current-in-a-hall-/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Minghao Ding, Hong Li, Yongjie Ding, Hui Liu, Daren Yu, Xiaogang WangAbstractThis paper experimentally evaluated the effect of the disruption of the symmetrical distribution of the propellant on the characteristics of the anode current. The change in the asymmetry degree of the propellant distribution is achieved by supplying gas with a dual-cavity gas distributor. The results show that as the asymmetry degree increases, the magnitude of the anode current changes monotonically from a slow growth to a rapid growth, while the peak-to-peak value of the anode current exhibits a non-monotonic behavior. A preliminary analysis shows that the asymmetrical distribution of the propellant causes a nonuniform plasma gen...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190841The occurrence of multistability and normal mode splitting in an optomechanical system
https://medworm.com/710190840/the-occurrence-of-multistability-and-normal-mode-splitting-in-an-optomechanical-system/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Kamran UllahAbstractWe provide a theoretical technique to study the occurrence of multistability and normal mode splitting in an optomechanical system driven by a single mode cavity field. For this purpose, we consider the position-dependent mass mechanical resonator (PDMR) which produces the nonlinearity in the system. This shifts the system from monostable to bistable regime and bistable to a multistable regime at different conditions of the nonlinearity. Further, we use the Fourier transform technique to find out the fluctuation in the position of the nano-mechanical resonator and their energy spectrum as well. Moreover, we used the input-output theory to analyze the transmitted field spectrum as well as ...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190840A novel anode attachment mode in argon-helium free-burning arcs at atmospheric pressure
https://medworm.com/710190839/a-novel-anode-attachment-mode-in-argon-helium-free-burning-arcs-at-atmospheric-pressure/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Cheng Wang, Qiang Sun, Zelong Zhang, Weidong XiaAbstractAn argon-helium free-burning arc that operates on a graphite anode is investigated. Images of the arc and anode attachment under different arc currents and different helium ratios are exhibited. Experimental results show that both the arc and anode attachment are characterized by demixing. Moreover, an annular dark region surrounding the anode center is observed in the anode attachment region under the conditions of a higher arc current and a higher helium ratio, which is similar to the self-organized anode attachment mode in glow discharges. Preliminary analysis indicates that the arc demixing, the thermophysical properties of the mixture gas, and the ...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190839Photonic band structure in a two-dimensional hexagonal lattice of equilateral triangles
https://medworm.com/710190838/photonic-band-structure-in-a-two-dimensional-hexagonal-lattice-of-equilateral-triangles/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Francis Segovia-Chaves, Herbert Vinck-Posada, Erik Navarro-BarónAbstractIn this paper, the plane wave expansion method is used to calculate the photonic band structure (PBS) for the transverse electric (TE) polarization in a two-dimensional hexagonal lattice composed air holes with cross-sections in the shape of equilateral triangles embedded in a GaAs background. We consider that the dielectric constant of GaAs is dependent on both hydrostatic pressure and temperature. Further, an increase can be observed in the width of the photonic band gap (PBG) while the lengths of the sides of the equilateral triangles are increased. When the pressure increases in the presence of a constant temperature, the dielectric...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190838Dynamics to the universal structure of one-dimensional self-gravitating systems in the quasi-equilibrium state
https://medworm.com/710190837/dynamics-to-the-universal-structure-of-one-dimensional-self-gravitating-systems-in-the-quasi-equilib/
We present a phenomenological model to describe the universal structure by using a special Langevin equation with a distinctive random noise to self-gravitating systems. Additionally, we unveil a mechanism which decides the radius of the system. (Source: Physics Letters A)Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190837The single-polarization filter composed of gold-coated photonic crystal fiber
https://medworm.com/710190836/the-single-polarization-filter-composed-of-gold-coated-photonic-crystal-fiber/
Publication date: Available online 11 July 2019Source: Physics Letters AAuthor(s): Chao Liu, Liying Wang, Lin Yang, Famei Wang, Chunhong Xu, Jingwei Lv, Guanglai Fu, Xianli Li, Qiang Liu, Haiwei Mu, Tao Sun, Paul K. ChuAbstractA single-polarization filter comprising a gold-coated photonic crystal fiber based on surface plasmon resonance is designed and investigated. The pattern matching and coupled polarization characteristics analyzed by the full-vector finite element method (FEM) and losses at 1,540 nm are achieved to 1,016.01739 dB/cm (x-pol core mode) and 33.81917 dB/cm (y-pol core mode). The crosstalk (CT) value of the 1,540 nm band is −853.12653 dB for fiber length L=1,000 μm and the bandwidth is 850 nm. The working wavelength of the filter ranges from 1,280 nm to 1,540 nm by var...Physics Letters AjournalsFri, 12 Jul 2019 17:12:26 +0100710190836Integral invariants for non-barotropic flows in a four dimensional space time manifold
https://medworm.com/710035386/integral-invariants-for-non-barotropic-flows-in-a-four-dimensional-space-time-manifold/
Publication date: Available online 10 July 2019Source: Physics Letters AAuthor(s): Susan Mathew Panakkal, M.J. VedanAbstractProperties of non-barotropic flows are described using Lie derivatives of differential forms in a Euclidean four dimensional space-time manifold. Vanishing of the Lie derivative implies that the corresponding physical quantity remains invariant along the integral curves of the flow. Integral invariants of non-barotropic perfect and viscous flows are studied using the concepts of relative and absolute invariance of forms. The four dimensional expressions for the rate of change of the generalized circulation, generalized vorticity flux, generalized helicity and generalized parity in the case of ideal and viscous non-barotropic flows are thereby obtained. (Source: Physic...Physics Letters AjournalsFri, 12 Jul 2019 02:42:33 +0100710035386Ground states of spin-orbit-coupled Bose Einstein condensates in the presence of external magnetic field
https://medworm.com/710035385/ground-states-of-spin-orbit-coupled-bose-einstein-condensates-in-the-presence-of-external-magnetic-f/
Publication date: Available online 10 July 2019Source: Physics Letters AAuthor(s): Rui-Fang Zhang, Yongping Zhang, Lu LiAbstractTwo different kinds of spin-orbit (SO) coupling are often investigated theoretically and experimentally in atomic Bose-Einstein condensates (BECs), namely, Rashba and Dresselhaus SO couplings. We show that ground states for these two SO-coupled BECs share lots of similarities and it is impossible to distinguish them from the observation of ground states. We find that an Ioffe-Pritchard magnetic field can be utilized as a tool to distinguish them. In the presence of the Ioffe-Pritchard magnetic field, ground states manifest distinctively for the Rashba and Dresselhaus SO-coupled BECs. (Source: Physics Letters A)Physics Letters AjournalsFri, 12 Jul 2019 02:42:33 +0100710035385Statistical description of multiple collisions in the Fermi-Ulam model
https://medworm.com/710035384/statistical-description-of-multiple-collisions-in-the-fermi-ulam-model/
Publication date: Available online 10 July 2019Source: Physics Letters AAuthor(s): Diogo Ricardo da Costa, Mario R. Silva, Edson D. Leonel, J.A. Méndez-BermúdezAbstractThe Fermi-Ulam model consists of a point particle colliding elastically between two hards walls, one is considered fixed and the other one oscillates periodically in time. Most investigations on this model are based on a map approach that, although it is extremely efficient from the computational point of view, ignores processes which are relevant for a thorough dynamical description. The map approach considers the so called static wall approximation. In this paper, by efficiently solving the exact Fermi-Ulam model, we statistically characterize multiple collisions with the moving wall (processes not considered in the stat...Physics Letters AjournalsFri, 12 Jul 2019 02:42:33 +0100710035384Unambiguous discrimination of nonorthogonal entangled quantum states in cavity QED
https://medworm.com/710035383/unambiguous-discrimination-of-nonorthogonal-entangled-quantum-states-in-cavity-qed/
Publication date: Available online 10 July 2019Source: Physics Letters AAuthor(s): R.J. de Assis, J.S. Sales, N.G. de AlmeidaAbstractIn this work we propose a scheme in the context of superconducting cavities to unambiguously discriminate non-orthogonal quantum field states when one of them is one of the four Bell states. The present work, which generalizes an earlier proposal [1] dealing with non-entangled states, also makes use of a single high Q cavity, a sample of three-level atoms, Ramsey zones and selective detectors, thus consisting of an oversimplification from the experimental view. (Source: Physics Letters A)Physics Letters AjournalsFri, 12 Jul 2019 02:42:33 +0100710035383GPU-based DPSO algorithm for structural optimization of Pt-Co bimetallic nanoparticles
https://medworm.com/710035382/gpu-based-dpso-algorithm-for-structural-optimization-of-pt-co-bimetallic-nanoparticles/
Publication date: Available online 10 July 2019Source: Physics Letters AAuthor(s): Gui-Fang Shao, Jian-Bo Yang, Jun-Fa Zhang, Tun-Dong Liu, Yu-Hua WenAbstractAlloy nanoparticles (NPs) are potential candidates for catalysts in fuel cells applications, and their physical properties are associated with the corresponding stable structures. In this work, a GPU-based discrete particle swarm optimization (DPSO) method is designed to investigate the stable structure of Pt-Co alloy NPs. Register and an optimal block design are used to further increase the acceleration ratio. Comparative experiments on CPU and GPU show that the GPU-based DPSO algorithm possesses superior computational performance, and Register has a great influence on the acceleration ratio. Analyses on the stable structures of Pt-C...Physics Letters AjournalsFri, 12 Jul 2019 02:42:33 +0100710035382Nonlinear bandgap properties in a nonlocal piezoelectric phononic crystal nanobeam
https://medworm.com/709727116/nonlinear-bandgap-properties-in-a-nonlocal-piezoelectric-phononic-crystal-nanobeam/
Publication date: Available online 9 July 2019Source: Physics Letters AAuthor(s): Denghui Qian, Zhiyu Shi, Chengwei Ning, Jianchun WangAbstractApplying nonlocal elasticity theory, von Kármán type nonlinear strain-displacement relation and plane wave expansion (PWE) method to Euler-Bernoulli beam, the calculation method of band structure of a nonlinear nonlocal piezoelectric phononic crystal (PC) nanobeam is proposed and formulized. In order to investigate the properties of wave propagating in the nanobeam in detail, band gaps of first four orders are picked, and the corresponding influence rules of electro-mechanical coupling fields, nonlocal effect and geometric parameters on band gaps are studied. During the researches, external electrical voltage and axial force are chosen as the infl...Physics Letters AjournalsWed, 10 Jul 2019 21:42:31 +0100709727116Temperature-dependent XAFS study of the local lattice distortion of the CuO2 plane in Sr2CuO3+δ powder sample
https://medworm.com/709727115/temperature-dependent-xafs-study-of-the-local-lattice-distortion-of-the-cuo2-plane-in-sr2cuo3-pow/
Publication date: Available online 9 July 2019Source: Physics Letters AAuthor(s): Haibo Wang, Ying Liu, Zhenlin Luo, Qingqing Liu, Yuanjun Yang, Haoliang Huang, Mengmeng Yang, Changqing Jin, Chen GaoAbstractIn order to study the relationship between local lattice distortion and superconductivity, we performed temperature dependent x-ray absorption fine structure (XAFS) on Sr2CuO3+δ powder sample (single phase with Tc=48 K). The temperature dependent Debye-Waller factor of Cu-O pair appears an anomalous upturn at 90 K and becomes drop around the superconducting transition temperature of ∼50 K. It means that local lattice distortion appears at 90 K. Furthermore, the analysis of temperature dependent X ray Absorption Near Edge Structure (XANES) shows that the R factor, which denotes the in...Physics Letters AjournalsWed, 10 Jul 2019 21:42:31 +0100709727115Characterization of a Planar NID Chiral Interface under Negative and/or Positive Phase Velocity Conditions
https://medworm.com/709422185/characterization-of-a-planar-nid-chiral-interface-under-negative-andor-positive-phase-velocity-cond/
Publication date: Available online 8 July 2019Source: Physics Letters AAuthor(s): Samra Kanwal, Qaisar Abbas NaqviAbstractUsing positive and/or negative phase velocity conditions, characteristics of a planar non-integer dimensional (NID) chiral interface are explored for specific values of NID parameter. For this purpose, discussion is divided into four cases. It is noted how characteristics of the interface changes when the situation is changed from one case to another. Impact of variation of NID parameter on the reflected power is also noted for each case. (Source: Physics Letters A)Physics Letters AjournalsTue, 09 Jul 2019 16:42:28 +0100709422185Nanophotonic on-chip hybrid plasmonic electro-optic modulator with phase change materials
https://medworm.com/709422184/nanophotonic-on-chip-hybrid-plasmonic-electro-optic-modulator-with-phase-change-materials/
Publication date: Available online 8 July 2019Source: Physics Letters AAuthor(s): Mandeep Singh, Sanjeev Kumar Raghuwanshi, T. SrinivasAbstractA vertical hybrid plasmonic waveguide (HPWG) modulator incorporating Au nano-rings and operating in the near-infrared (NIR) band is proposed using phase change chalcogenide thin film (Ge2Sb2Te5, commonly known as GST). It is shown that with amorphous to crystalline phase transition of GST, significant modulation depths can be achieved in the optical C-band. Further, localized surface plasmon resonance (LSPR) excitations from the Au nano-ring embedded in the low-indexed slot region is used to enhance the overall performance of the reported GST based electro-optic modulator. In addition, significant wavelength shifts, and improved extinction ratio (ER...Physics Letters AjournalsTue, 09 Jul 2019 16:42:28 +0100709422184Spin and spin-valley Hall effects in a honeycomb lattice with antiferromagnetism and spin-orbit couplings
https://medworm.com/709422183/spin-and-spin-valley-hall-effects-in-a-honeycomb-lattice-with-antiferromagnetism-and-spin-orbit-coup/
Publication date: Available online 8 July 2019Source: Physics Letters AAuthor(s): Jianfei Zou, Yinghan Yuan, Jing KangAbstractWe study linear response to a longitudinal electric field on an antiferromagnetic honeycomb lattice with intrinsic and Rashba spin-orbit couplings (SOCs). It is found that the spin-valley Hall effect could emerge alone or coexist with the spin Hall effect. The spin and spin-valley Hall conductivities exhibit some peculiarities that depend on the distinct topological states of the graphene lattice. Furthermore, the spin and spin-valley Hall conductivities could be remarkably modulated by changing the Fermi level. Our findings suggest that the antiferromagnetic honeycomb lattice with SOCs is an excellent platform for potential applications of spintronics and valleytro...Physics Letters AjournalsTue, 09 Jul 2019 16:42:28 +0100709422183Higher-order solutions of a matrix AKNS system associated with a Hermitian symmetric space
https://medworm.com/709422182/higher-order-solutions-of-a-matrix-akns-system-associated-with-a-hermitian-symmetric-space/
Publication date: Available online 8 July 2019Source: Physics Letters AAuthor(s): Xianguo Geng, Jing Shen, Bo XueAbstractIn this paper, we study a matrix Ablowitz–Kaup–Newell–Segur (AKNS) system associated with a Hermitian symmetric space as a follow-up study of an earlier paper. A multi-fold generalized Darboux transformation of the matrix AKNS system associated with a Hermitian symmetric space is constructed by means of determinants. Subsequently, we derive various higher-order solutions for this system, including fan-shaped rogue wave and (truncated) Kuznetsov–Ma breather solutions. Specifically, we show the fusion and fission processes for two truncated Kuznetsov–Ma breathers by taking different free parameters. (Source: Physics Letters A)Physics Letters AjournalsTue, 09 Jul 2019 16:42:28 +0100709422182Core-shell quantum dot electron bubbles as exotic ions in superfluid liquid 4He
https://medworm.com/709422181/core-shell-quantum-dot-electron-bubbles-as-exotic-ions-in-superfluid-liquid-4he/
Publication date: Available online 8 July 2019Source: Physics Letters AAuthor(s): Nabil M. LawandyAbstractA number of experiments in superfluid helium-4 over the past fifty years on the mobility of electron bubbles, which are unique quantum dots in the liquid state, revealed the existence of a “fast” ion and other “exotic” negative ions whose origin and structure still remains unresolved. The fast ion has a mobility which is six times that of the well understood single electron bubble and the other ions span a region from the fast ion mobility to that of the electron bubble. The work presented here shows that a net anionic, two electron, core-shell quantum dot could potentially explain these findings and provide direction for new experimental work. The model described is based on t...Physics Letters AjournalsTue, 09 Jul 2019 16:42:28 +0100709422181Editors
https://medworm.com/709422136/editors/
Publication date: 12 August 2019Source: Physics Letters A, Volume 383, Issue 23Author(s): (Source: Physics Letters A)Physics Letters AjournalsTue, 09 Jul 2019 16:42:28 +0100709422136Effect of the weak interaction on the in situ radii of condensate boson atoms in one or two-dimensional deep optical lattices
https://medworm.com/709270283/effect-of-the-weak-interaction-on-the-in-situ-radii-of-condensate-boson-atoms-in-one-or-two-dimensio/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): Ahmed S. Hassan, Azza M. El-Badry, Alyaa A. Mahmoud, Hend A. Abdel-Gany, Adel M. Mohammedein, A.M. AbdallahAbstractIn this letter we suggest a theoretical model to investigate the weak interaction dependence of the in situ radii of condensate boson atoms in a combined harmonic with one or two-dimensional deep optical lattice. The semiclassical approximation is employed to calculate the above mentioned parameters. The calculated results showed that the in situ radii depends crucially on the interatomic interaction. Our results can be extended to investigate the moment of inertia of condensate boson atoms in combined harmonic-optical potential as well as superfluidity nature of synthetically charged boson atoms...Physics Letters AjournalsTue, 09 Jul 2019 02:06:35 +0100709270283Anisotropic Keldysh interaction
https://medworm.com/708815086/anisotropic-keldysh-interaction/
Publication date: Available online 5 July 2019Source: Physics Letters AAuthor(s): Andrei GaliautdinovAbstractWe generalize the classic calculations by Rytova and Keldysh of screened Coulomb interaction in semiconductor thin films to systems with anisotropic permittivity tensor. Explicit asymptotic expressions for electrostatic potential energy of interaction in the weakly anisotropic case are found in closed analytical form. The case of strong in-plane anisotropy, however, requires evaluation of the inverse Fourier transform of 1/(k+Akx2+Bky2), which, at present, remains unresolved. (Source: Physics Letters A)Physics Letters AjournalsSun, 07 Jul 2019 06:15:27 +0100708815086Stability boundaries of a Mathieu equation having PT symmetry
https://medworm.com/708510821/stability-boundaries-of-a-mathieu-equation-having-pt-symmetry/
Publication date: Available online 4 July 2019Source: Physics Letters AAuthor(s): P.A. BrandãoAbstractI have applied multiple-scale perturbation theory to a generalized complex PT-symmetric Mathieu equation in order to find the stability boundaries between bounded and unbounded solutions. The analysis suggests that the non-Hermitian parameter present in the equation can be used to control the shape and curvature of these boundaries. Although this was suggested earlier by several authors, analytic formulas for the boundary curves were not given. This paper is a first attempt to fill this gap in the theory. (Source: Physics Letters A)Physics Letters AjournalsSat, 06 Jul 2019 01:36:29 +0100708510821Conductance of inhomogeneous Luttinger liquids with a finite bandwidth
https://medworm.com/708510820/conductance-of-inhomogeneous-luttinger-liquids-with-a-finite-bandwidth/
Publication date: Available online 4 July 2019Source: Physics Letters AAuthor(s): Joy Prakash Das, Girish S. SetlurAbstractThe finite-bandwidth conductance of a Luttinger liquid (LL) with a cluster of impurities is studied and its variation with respect to temperature is shown. The calculations are done using the correlation functions obtained using the powerful non-chiral bosonization technique (NCBT). The results are compared with those obtained by Matveev, Yue and Glazman [K. Matveev et al., Phys. Rev. Lett. 71, 3351 (1993)] who deal with a weakly interacting LL. By contrast, NCBT correctly provides the conductance for all values of the interaction strength (as well as the sign). In addition to finding perfect agreement with the results of Matveev et al. for both weakly repulsive and we...Physics Letters AjournalsSat, 06 Jul 2019 01:36:29 +0100708510820Impacts of phase transformation on the thermoelectric properties of ZnO nanowires
https://medworm.com/708358310/impacts-of-phase-transformation-on-the-thermoelectric-properties-of-zno-nanowires/
Publication date: Available online 3 July 2019Source: Physics Letters AAuthor(s): Lihong Shi, Jia He, Dengfeng LiAbstractImpacts of phase transformation from regular wurtzite phase to a graphitic polymorph hexagonal phase under tensile loading, on the thermoelectric properties of Zinc oxide nanowires (ZnO NWs), which is oriented in the [0001] direction, are studied by combining the first-principles simulation with one-dimensional (1D) Boltzmann transport equation (BTE). Our results show that this phase transformation has greatly influenced the thermoelectric properties of the ZnO NWs. We also find that the largest value of figure of merit ZT achieved for hexagonal phase (H phase) is larger than that for wurtzite phase (W phase) in the temperature range (200 K-1000 K), which means that hexa...Physics Letters AjournalsFri, 05 Jul 2019 11:12:34 +0100708358310Low bias negative differential resistance with dual-peaks based on octacene molecular device
https://medworm.com/708358309/low-bias-negative-differential-resistance-with-dual-peaks-based-on-octacene-molecular-device/
Publication date: Available online 3 July 2019Source: Physics Letters AAuthor(s): J. Zhang, Z. Qin, B. Xu, G. SongAbstractBased on non-equilibrium Green's function and density functional theory, a first-principles study of the transport properties of a molecular device is performed. This device is composed of two octacene molecules separated by a ethyl barrier, which are then linked to Ag leads through thiolates. The device shows low bias negative differential resistance effect with dual-peaks, which may be useful for designing molecular devices with low power-dissipation and multi-function in the future. (Source: Physics Letters A)Physics Letters AjournalsFri, 05 Jul 2019 11:12:34 +0100708358309Phase transitions in normalized cut of social networks
https://medworm.com/708358308/phase-transitions-in-normalized-cut-of-social-networks/
Publication date: Available online 3 July 2019Source: Physics Letters AAuthor(s): Wei Lin, Min Li, Shuming Zhou, Jiafei Liu, Gaolin Chen, Zhengdong GuAbstractOne of the main goals of network analysis and data science is to identify community structures in a network. Community structure is a typical feature of social networks and community detection is considered to be crucial to understand the structure and function of social networks in cyberspace. The community detection problem of social networks can be viewed as a graph partitioning problem whose objective is to identify the external edges as the edge cut that separates the network as two subnetworks by recursive method. The degree-normalized adjacency matrix is more convenient than traditional Laplacian matrix in calculating eigenvalu...Physics Letters AjournalsFri, 05 Jul 2019 11:12:34 +0100708358308The electronic structures and properties for carbon doped aluminum phosphide
https://medworm.com/708358307/the-electronic-structures-and-properties-for-carbon-doped-aluminum-phosphide/
Publication date: Available online 3 July 2019Source: Physics Letters AAuthor(s): S.W. Fan, L. Yang, G.Y. GaoAbstractBased on the first-principle method, the effects of carbon dopants on AlP are studied. Our investigations indicate carbons substituting aluminum (CAl) or phosphorus (CP) cannot induce the AlP to be magnetic system. The AlP with CAl defects shows n-type metallic characteristic. As the carbons forming the interstitial doped configurations (Cint), a few percent of Cint could induct the AlP to be a half-metallic ferromagnet, and the half-metallic gaps could reach 0.45∼0.48 eV. Mean field theory predicts the Curie temperature for Cint doped configurations would be above room temperature. Formation energies indicate that Cint, CAl and CP defects could be realized experimentally....Physics Letters AjournalsFri, 05 Jul 2019 11:12:34 +0100708358307Approximate bound state solutions of the Klein-Gordon equation with the linear combination of Hulthén and Yukawa potentials
https://medworm.com/707898623/approximate-bound-state-solutions-of-the-klein-gordon-equation-with-the-linear-combination-of-hulth/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): A.I. Ahmadov, S.M. Aslanova, M.Sh. Orujova, S.V. Badalov, Shi-Hai DongAbstractBased on a developed scheme we show how to deal with the centrifugal term and the Coulombic behavior part and then to solve the Klein-Gordon (KG) equation for the linear combination of Hulthén and Yukawa potentials. Two cases, i.e., the scalar potential which is equal and unequal to vector potential, are considered for arbitrary l state. With the aid of the Nikiforov-Uvarov (NU) method and the traditional approach, we present the eigenvalues and the corresponding radial wave functions expressed by the Jacobi polynomials or hypergeometric functions and find that the results obtained by them are consistent. For given values of potent...Physics Letters AjournalsWed, 03 Jul 2019 16:12:25 +0100707898623Effect of the weak interaction on the in situ radii of condensate boson atoms in one and two deep optical lattices
https://medworm.com/707898621/effect-of-the-weak-interaction-on-the-in-situ-radii-of-condensate-boson-atoms-in-one-and-two-deep-op/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): Ahmed S. Hassan, Azza M. El-Badry, Alyaa A.Mahmoud, Hend A. Abdel-Gany, Adel M. Mohammedein, A.M. AbdallahAbstractIn this letter we suggest a theoretical model to investigate the weak interaction dependence of the in situ radii of condensate boson atoms in a combined harmonic one and two dimensions deep optical lattice. The semiclassical approximation is employed to calculate the above mentioned parameters. The calculated results showed that the in situ radii depends crucially on the interatomic interaction. Our results can be extended to investigate the moment of inertia of condensate boson atoms in combined harmonic-optical potential as well as superfludity nature of synthetically charged boson atoms in com...Physics Letters AjournalsWed, 03 Jul 2019 16:12:25 +0100707898621Dynamics and phase transitions in biased ladder systems with magnetic flux
https://medworm.com/707898620/dynamics-and-phase-transitions-in-biased-ladder-systems-with-magnetic-flux/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): Xin Qiao, Xiao-Bo Zhang, Ai-Xia Zhang, Zi-Fa Yu, Ju-Kui XueAbstractThe ground states and the dynamics of a biased two-leg flux ladder in the presence of a gravitational field are discussed. In the absence of the gravitational field, the ground states and the critical condition of phase transition are obtained analytically. We identify the Meissner phase, Vortex phase, and interestingly, two new Plane Wave phases, that break both Z2 and time-reversal symmetry, characterized by the imbalance particle density distribution, asymmetry double well energy band structure in Plane Wave I (PWI) phase and asymmetry single well energy band structure in Plane Wave II (PWII) phase, respectively. In the presence of a longit...Physics Letters AjournalsWed, 03 Jul 2019 16:12:25 +0100707898620Transmission coefficient of interacting few-body system in one dimensional space
https://medworm.com/707898619/transmission-coefficient-of-interacting-few-body-system-in-one-dimensional-space/
We present a novel way of defining transmission coefficient of one spatial dimensional few interacting electrons system. The formalism is based on the probability interpretation of unitarity of physical scattering S-matrix. The relation of our formalism to the well-established method for describing the conducting properties of non-interacting systems, Landauer-Büttiker formula, is discussed. The transport properties of interacting two-electron system is also discussed as a specific example of our formalism. (Source: Physics Letters A)Physics Letters AjournalsWed, 03 Jul 2019 16:12:25 +0100707898619Thermoelectric coefficient in nanoisland metallic films
https://medworm.com/707898616/thermoelectric-coefficient-in-nanoisland-metallic-films/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): A.P. Boltaev, F.A. Pudonin, I.A. Sherstnev, D.A. EgorovAbstractWe study the thermoelectric properties of island metal films on a dielectric substrate. Dependence of thermoelectric coefficient of metal films on their thickness with the dimensionless conductance g>1 and g<1 was investigated. Also, the thermopower dependence of island metal structures with g<1 on the chemical composition of nanostructures was studied. We found that regardless of tunneling or Drude character of conductivity, the value of the thermoelectric coefficient in island metal films is determined by the properties of film metal element. (Source: Physics Letters A)Physics Letters AjournalsWed, 03 Jul 2019 16:12:25 +0100707898616Dependence of valley polarization on Schottky metal stripe in magnetic-strain graphene
https://medworm.com/707898615/dependence-of-valley-polarization-on-schottky-metal-stripe-in-magnetic-strain-graphene/
This study is very useful for understanding and designing the valleytronic devices. (Source: Physics Letters A)Physics Letters AjournalsWed, 03 Jul 2019 16:12:25 +0100707898615Chirality, helicity and the rotational content of electromagnetic fields
https://medworm.com/707746600/chirality-helicity-and-the-rotational-content-of-electromagnetic-fields/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): M. Fernández GuastiAbstractThe chirality continuity equation in the presence of charge and current is obtained from the complementary fields formalism. In the presence of sources, it is strongly suggested that the chirality should be defined proportional to με(H⋅∂tE−E⋅∂tH) instead of the usual definition H⋅(∇×B)+εE⋅(∇×E). Both definitions are equivalent for free fields. The relationship between helicity ϱAC and chirality ϱEH for arbitrary wave solutions is shown to be ∂t2ϱAC=με(1εϱEH+A⋅∂t2B−C⋅∂t2E). The helicity continuity equation can be transformed into the chirality scheme via a time derivative transformation of all the field functions. Following a mechanical anal...Physics Letters AjournalsWed, 03 Jul 2019 02:12:40 +0100707746600Quantum repeated games with continuous-variable strategies
https://medworm.com/707746599/quantum-repeated-games-with-continuous-variable-strategies/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): Zhe Yang, Xian ZhangAbstractBy the Li-Du-Massar method, we investigate the quantization of a two-stage repeated duopoly game. By solving the quantum repeated game with continuous-variable strategies, we analyze the effect of two stages' entanglement levels, and give some numerical evidences to describe our model. (Source: Physics Letters A)Physics Letters AjournalsWed, 03 Jul 2019 02:12:40 +0100707746599Activating MoS2 basal planes for hydrogen evolution through the As doping and strain
https://medworm.com/707746598/activating-mos2-basal-planes-for-hydrogen-evolution-through-the-as-doping-and-strain/
Publication date: Available online 2 July 2019Source: Physics Letters AAuthor(s): Yi-Qi Yang, Chun-Xiang Zhao, Shou-Yan Bai, Cai-Ping Wang, Chun-Yao NiuAbstractAs a non-precious catalyst for the electrochemical hydrogen evolution reaction (HER), the two-dimensional MoS2 has been widely studied. To activate the MoS2 inert basal plane to enable optimal activity, high defect concentration of sulfur vacancies is needed. Herein, based on the first-principles calculations we demonstrate that the HER of MoS2 can be greatly enhanced by As doping and biaxial strain. We show that the As-doping sites are new catalytic sites and the bonding of H can be greatly enhanced. Moreover, the relative hydrogen adsorption free energy (ΔΔGH) can be further manipulated by the strain effect, which efficiently ad...Physics Letters AjournalsWed, 03 Jul 2019 02:12:40 +0100707746598Spin polarized carrier injection driven magneto-optical Kerr effect in Cr-doped ZnO nanorods
https://medworm.com/706973069/spin-polarized-carrier-injection-driven-magneto-optical-kerr-effect-in-cr-doped-zno-nanorods/
Publication date: Available online 28 June 2019Source: Physics Letters AAuthor(s): M. Malaidurai, B. Santosh Kumar, R. ThangavelAbstractHydrothermal growth of Cr doped ZnO nanorods (NRs) thin films was grown on glass substrates. The strong ferromagnetic (FM) and antiferromagnetic (AFM) ordering was observed in 3% and 7% of Cr doped samples. The optical excitation of the Cr doped ZnO NRs is responsible for injection of the spin-polarized carriers in the 3% Cr doped ZnO NRs through longitudinal magneto-optical Kerr effect (MOKE). We determined a negative anisotropic magnetoresistance (∼23%) originated from spin orbit coupling due to sp-d exchange interaction. we calculated the process of photon induced inverse spin Hall angle (θISHE∼3.94×10−2) close to the MOKE saturated rotation ang...Physics Letters AjournalsSun, 30 Jun 2019 02:12:25 +0100706973069Temperature-electric field hysteresis loop of multicaloric effects in PbZr0.8Ti0.2O3 thin films
https://medworm.com/706973068/temperature-electric-field-hysteresis-loop-of-multicaloric-effects-in-pbzr08ti02o3-thin-films/
Publication date: Available online 28 June 2019Source: Physics Letters AAuthor(s): F. Wang, T. Liu, C.L. Xie, Y. Liu, N.S. Ma, J. Duan, J.R. He, B. Li, B.L. Ou, Y. Ou, J.J. Cheng, Q. Liu, L.F. Liu, W. WangAbstractThe Multicaloric effect in the PbZr0.8Ti0.2O3 thin films is investigated with the application of sine wave electric field, dc electric field and stress using a phase field method combined with the thermodynamic analysis. The simulation results show that the adiabatic temperature change-electric field curve presents a shape of butterfly in the presence of the sine wave electric field. In order to detect the effect of the sine wave electric field, the multicaloric effect and the domain structures under the direct electric field and the sine wave electric field are compared. It is fo...Physics Letters AjournalsSun, 30 Jun 2019 02:12:25 +0100706973068Preferred states of open electronic systems
https://medworm.com/706658441/preferred-states-of-open-electronic-systems/
Publication date: Available online 27 June 2019Source: Physics Letters AAuthor(s): HaoXiang Jiang, Yu ZhangAbstractSystem-environment interaction may introduce dynamic destruction of quantum coherence, resulting in a special representation named as pointer states. In this work, pointer states of an open electronic system are studied. The decoherence effect is taken into account through two different ways which are Büttiker's virtual probe model and strong electron-phonon interaction in the polaron picture. The pointer states of the system with different coupling strength are investigated. The pointer states are identified by tracking the eigenstates of the density matrix in real-time propagation. It is found that the pointer states can emerge for arbitrary coupling strength. And the point...Physics Letters AjournalsFri, 28 Jun 2019 22:03:30 +0100706658441The exact solution for the free induction decay in a quasi-one-dimensional system in a multi-pulse NMR experiment
https://medworm.com/706658440/the-exact-solution-for-the-free-induction-decay-in-a-quasi-one-dimensional-system-in-a-multi-pulse-n/
Publication date: Available online 27 June 2019Source: Physics Letters AAuthor(s): G.A. Bochkin, E.B. Fel'dman, S.G. Vasil'evAbstractThe exact solution for the free induction decay in a one-dimensional system in the multi-pulse experiment is obtained at both high and low temperatures in the approximation of nearest neighbor interactions. The experimental investigation is performed on a quasi-one-dimensional system of 19F nuclear spins in a single crystal of fluorapatite. The theoretical results are in a good agreement with the obtained experimental data. (Source: Physics Letters A)Physics Letters AjournalsFri, 28 Jun 2019 22:03:30 +0100706658440Energy band modulation of GaAs/Al0.26Ga0.74As quantum well in 3D self-assembled nanomembranes
https://medworm.com/706658439/energy-band-modulation-of-gaasal026ga074as-quantum-well-in-3d-self-assembled-nanomembranes/
In this study, we investigate the modulation of energy band in 3D self-assembled nanomembranes containing GaAs/Al0.26Ga0.74As quantum wells (QWs). Photoluminescence (PL) characterizations demonstrate that the self-assembled structures have different optical transition properties and the modulation of the energy band is thus realized. Detailed spectral analyses disclose that the small strain change in structures with different curvatures cannot cause remarkable change in energy bands in Al0.26Ga0.74As layer. On the other hand, the optical transitions of GaAs QW layer is influenced by the strain evolution in term of light emission intensity. We also find the first order Stark effect in rolled-up nanomembrane with diameter of 150 μm, which is closely connected with the coupling effect betwee...Physics Letters AjournalsFri, 28 Jun 2019 22:03:30 +0100706658439Numerical investigation of a tunable metamaterial perfect absorber consisting of two-intersecting graphene nanoring arrays
https://medworm.com/706341819/numerical-investigation-of-a-tunable-metamaterial-perfect-absorber-consisting-of-two-intersecting-gr/
Publication date: Available online 26 June 2019Source: Physics Letters AAuthor(s): Chunlian Cen, Yubin Zhang, Cuiping Liang, Xifang Chen, Zao Yi, Tao Duan, Yongjian Tang, Xin Ye, Yougen Yi, Shuyuan XiaoAbstractIn this paper, we report a numerical investigation of tunable dual-band metamaterial perfect absorber (MMPA) consisting of two-intersecting graphene nanorings arrays. The optical absorption performance of absorber is dominated by the inner/outer radius of nanorings and center distance between the two nanorings. For the resonance modes λ1 and λ2, the sensitivity of probing the surrounding refractive index can reach 7.97 μm/RIU and 13.27 μm/RIU respectively. The absorption performance of the under-study graphene nanorings can be flexibly adjusted by modulating the Fermi level of gr...Physics Letters AjournalsThu, 27 Jun 2019 17:12:26 +0100706341819Physical meaning of the stretched exponential Kohlrausch function
https://medworm.com/706341818/physical-meaning-of-the-stretched-exponential-kohlrausch-function/
Publication date: Available online 26 June 2019Source: Physics Letters AAuthor(s): Alexander LukichevAbstractIn this paper the physical meaning of the empirical Kohlrausch-Williams-Watts (KWW) function is explained in terms of the linear oscillator theory. It is shown that the KWW function is a solution of the non-autonomous linear first order equation for an overdamped linear oscillator. From the linear oscillator model it follows that the KWW-type relaxation is the linear relaxation with a time (coordinate, stress, voltage, etc.) dependent dissipation of energy. The theoretical results are validated by measurements. A method for modeling KWW-type relaxation using simple electrical circuits is proposed.Graphical abstract (Source: Physics Letters A)Physics Letters AjournalsThu, 27 Jun 2019 17:12:26 +0100706341818Average versus maximal coherence
https://medworm.com/705081558/average-versus-maximal-coherence/
Publication date: Available online 21 June 2019Source: Physics Letters AAuthor(s): Shunlong Luo, Yuan SunAbstractCoherence is a fundamental feature of quantum mechanics and plays a crucial role in the quantum realm. The issue of quantification of coherence has received considerable interests in recent years, and a variety of coherence quantifiers have been introduced. With these measures, one can investigate coherence in a more quantitative way. Based on the Wigner-Yanase skew information, we evaluate average coherence of a state with respect to arbitrary mutually unbiased bases as well as with respect to all orthonormal bases, and demonstrate their equivalence. We further evaluate the maximum coherence, and reveal a remarkable fact that in high dimensions, the coherence of a generic state...Physics Letters AjournalsSat, 22 Jun 2019 22:09:36 +0100705081558Prediction of two-dimensional monochalcogenides: MoS and WS
https://medworm.com/704447543/prediction-of-two-dimensional-monochalcogenides-mos-and-ws/
Publication date: Available online 19 June 2019Source: Physics Letters AAuthor(s): Dhanshree Pandey, Aparna ChakrabartiAbstractUsing density functional theory, we explore the possibility of two monolayer monochalcogenides, namely, MoS and WS. From the energetics, buckled and puckered structures are found to be more probable configurations. Our results on cohesive energy and phonon dispersion predict that the buckled structures of both MoS and WS are stable. On the other hand, while the puckered structure of WS clearly shows a dynamical instability, the same for MoS may have a stable configuration. Charge analyses predict ionic-like bonding in these systems. Density of states and band structure reveal a non-magnetic metallic nature for MoS in the stable configurations. However, for the buck...Physics Letters AjournalsThu, 20 Jun 2019 12:36:26 +0100704447543Phase role of white TiO2 precursor in its reduction to black TiO2
https://medworm.com/704447542/phase-role-of-white-tio2-precursor-in-its-reduction-to-black-tio2/
Publication date: Available online 19 June 2019Source: Physics Letters AAuthor(s): Haiyang Hu, Yan Lin, Yun Hang HuAbstractBlack TiO2, which is a promising photocatalyst with enhanced visible light absorption, is a new semiconductor with a smaller band gap than white TiO2. The synthesis of black TiO2 has been focused on optimizing hydrogen treatment and exploring different reductants. However, in this work, it was experimentally demonstrated that the phase structure of white TiO2 precursor plays an important role in its reduction to black TiO2 by hydrogen treatment, namely, compared with anatase TiO2, rutile TiO2 is much easier to be reduced to black TiO2. This provides a new direction for synthesis approach of black TiO2. (Source: Physics Letters A)Physics Letters AjournalsThu, 20 Jun 2019 12:36:26 +0100704447542An improved quantum principal component analysis algorithm based on the quantum singular threshold method
https://medworm.com/704447541/an-improved-quantum-principal-component-analysis-algorithm-based-on-the-quantum-singular-threshold-m/
Publication date: Available online 20 June 2019Source: Physics Letters AAuthor(s): Jie Lin, Wan-Su Bao, Shuo Zhang, Tan Li, Xiang WangAbstractQuantum principal component analysis (qPCA) is a dimensionality reduction algorithm for getting the eigenvectors corresponding to top several eigenvalues of the data matrix and then reconstructing. However, qPCA can only construct the quantum state contains all the eigenvectors and eigenvalues. In this paper, we present an improved quantum principal component analysis (Improved qPCA) algorithm with a fixed threshold. We can reduce the singular value less than the threshold to 0 and obtain a target quantum state which can be used to get an output similar to qPCA after phase estimation. Compared with qPCA, our algorithm has only the target eigenvalues ...Physics Letters AjournalsThu, 20 Jun 2019 12:36:26 +0100704447541Topological nature of Hubbard bands in strongly correlated systems
https://medworm.com/704289950/topological-nature-of-hubbard-bands-in-strongly-correlated-systems/
Publication date: Available online 18 June 2019Source: Physics Letters AAuthor(s): V.Yu. Irkhin, Yu.N. SkryabinAbstractThe topological nature of the Mott-Hubbard state in strongly correlated systems is treated. These systems are described in terms of spin-charge separation, i.e. spinon-holon deconfinement in the gauge field. Analogies with the quantum Hall effect and Landau quantization are considered, the presence of the Chern-Simons term being important for proper description of the Hubbard splitting. Occurrence of topological frustrations with doping in an effective two-band model is demonstrated. The role of orbital degrees of freedom and possible occurrence of orbital currents are discussed. (Source: Physics Letters A)Physics Letters AjournalsWed, 19 Jun 2019 22:15:31 +0100704289950Chemical vapor deposition synthesis of Ge doped ZnO nanowires and the optical property investigation
https://medworm.com/704289949/chemical-vapor-deposition-synthesis-of-ge-doped-zno-nanowires-and-the-optical-property-investigation/
Publication date: Available online 19 June 2019Source: Physics Letters AAuthor(s): Ying LiangAbstractGe-doped ZnO nanowires with high quality were prepared with simple chemical vapor deposition method. The morphology, crystal structure and elemental distribution were characterized using SEM (scanning electron microscopy), HRTEM (high resolution transmission electron microscopy) and EDS (energy dispersive spectrometry) mapping approaches. The optical properties were investigated with combination of room-temperature CL (cathode ray luminescence) and variable temperature micro-PL methods. It is found for the first time that a tapered Ge doped nanowire exhibits a thickness-dependent spectrum shift under a cathode-ray excitation, which was interpreted by the electron-lattice interaction model a...Physics Letters AjournalsWed, 19 Jun 2019 22:15:31 +0100704289949Comparison of information-theoretic products and inequalities for the lowest bound and unbound electronic states of H2+ based on exact calculation
https://medworm.com/703972088/comparison-of-information-theoretic-products-and-inequalities-for-the-lowest-bound-and-unbound-elect/
Publication date: Available online 17 June 2019Source: Physics Letters AAuthor(s): Sergey A. AstashkevichAbstractA study of information-theoretic properties of molecular bond on the example of the ground (bound) 1sσg and the lowest excited (unbound) 2pσu states of H2+ was conducted. Data about general information-theoretic measures, information products (Cramér-Rao, Fisher-Shannon information, and LMC complexity) and their inequalities in position and momentum spaces as a function of internuclear distance R=0.2–20 a.u. were obtained by an exact numerical calculation of the wave function. A systematic correlation between these information products was established. It was found that LMC complexity is most sensitive and detailed among these information products. A clear correlation betwe...Physics Letters AjournalsTue, 18 Jun 2019 17:09:27 +0100703972088Electrically controllable spin transport in bilayer graphene with Rashba spin-orbit interaction
https://medworm.com/703176249/electrically-controllable-spin-transport-in-bilayer-graphene-with-rashba-spin-orbit-interaction/
Publication date: Available online 14 June 2019Source: Physics Letters AAuthor(s): Qingtian Zhang, Junsong Jiang, Kwok Sum ChanAbstractWe study the spin transport in bilayer graphene nanoribbons (BGNs) in the presence of Rashba spin-orbit interaction (SOI) and external gate voltages. It is found that the spin polarization can be significantly enhanced by the interlayer asymmetry or longitudinal mirror asymmetry produced by external gate voltages. Rashba SOI alone in BGNs can only generate current with spin polarization along the in-plane y direction, but the polarization components can be found along the x, y and z directions when a gate voltage is applied. High spin polarization with flexible orientation is obtained in the proposed device. Our findings shed new light on the generation of ...Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176249A no-go result for the quantum damped harmonic oscillator
https://medworm.com/703176248/a-no-go-result-for-the-quantum-damped-harmonic-oscillator/
Publication date: Available online 14 June 2019Source: Physics Letters AAuthor(s): F. Bagarello, F. Gargano, F. RoccatiAbstractIn this letter we show that it is not possible to set up a canonical quantization for the damped harmonic oscillator using the Bateman lagrangian. In particular, we prove that no square integrable vacuum exists for the natural ladder operators of the system, and that the only vacua can be found as distributions. This implies that the procedure proposed by some authors is only formally correct, and requires a much deeper analysis to be made rigorous. (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176248Interpreting weak value amplification with a toy realist model
https://medworm.com/703176247/interpreting-weak-value-amplification-with-a-toy-realist-model/
Publication date: Available online 14 June 2019Source: Physics Letters AAuthor(s): Josiah Sinclair, David Spierings, Aharon Brodutch, Aephraim M. SteinbergAbstractConstructing an ontology for quantum theory is challenging, in part due to measurement back-action. The Aharonov-Albert-Vaidman weak measurement formalism provides a method to predict measurement results (weak values) when back-action is negligible. The weak value appears analogous to a classical conditional mean, yet can be complex and unbounded. We study weak values in the context of a recent quantum optical experiment involving two-photon interactions. The results of the experiment are reinterpreted within a realist ‘stochastic optics’ model of light. We show that the conditional means of the intensities in the model corre...Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176247Controlling the stability and the electronic structure of transition metal dichalcogenide single layer under chemical doping
https://medworm.com/703176246/controlling-the-stability-and-the-electronic-structure-of-transition-metal-dichalcogenide-single-lay/
Publication date: Available online 14 June 2019Source: Physics Letters AAuthor(s): M. Debbichi, L. Debbichi, S. LebègueAbstractBy means of ab initio calculation based on density-functional theory (DFT), we have investigated the electronic and optical properties of single layer MoSe2 under chemical doping by various groups, such as -H, -OH, -NH2 and -CH3. This work is generalized for all polymorph 1H, 1T, 1T′ and the new investigated phase 1T″. We found that all those functional groups (FG) bonded covalently to the chalcogen atom (Se). The evaluation of adsorption energy shows that the hydrogen atom binds more strongly than other functional groups in particular with the T phase. Furthermore, the attachment of functional groups to T-MoSe2 leads to dramatic changes to the structure stabi...Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176246Efficient band structure engineering and visible-light response in ZrS2/GaS heterobilayer by electrical field or external strains
https://medworm.com/703176245/efficient-band-structure-engineering-and-visible-light-response-in-zrs2gas-heterobilayer-by-electri/
Publication date: Available online 14 June 2019Source: Physics Letters AAuthor(s): Yanxing Zhang, Zongxian YangAbstractVia first-principle methods, the electronic structures and optical properties of 2D ZrS2/GaS van der Waals heterostructure (vdWH) are studied. It is found that the band alignment changes from type-II to type-I under negative electrical field, and compressive strains. The transition points are -0.2 V/Å and -1%, respectively. The band gap changes efficiently under positive electrical field and compressive strains. The tensile strains increase the optical adsorption coefficients in ultraviolet regions, while the compressive strains increase the optical adsorption coefficients in visible region significantly. (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176245Study on the dynamic critical behavior of a ferroelectric heterostructure
https://medworm.com/703176244/study-on-the-dynamic-critical-behavior-of-a-ferroelectric-heterostructure/
Publication date: Available online 14 June 2019Source: Physics Letters AAuthor(s): Lian Cui, Chuanwen Chen, Yang XiangAbstractA Landau-Devonshire theory added in Landau–Khalatnikov dynamic equation has been used firstly to explore the dynamic critical behavior of a ferroelectric heterostructure composed of two different ferroelectric films. Two identical surface transition layers within each film are assumed, and an antiferroelectric interfacial coupling between two materials is considered. One interfacial parameter β is introduced to describe the differences of physical characteristics between two constituent films, which can reflect more realistic dynamic mechanism. It is found that the ferroelectric heterostructure may exhibit multi-loop hysteresis loop and four peaks of dielectric s...Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176244Band structure and cluster model calculations of LaNiO3 compared to photoemission, O 1s X-ray absorption, and optical absorption spectra
https://medworm.com/703176243/band-structure-and-cluster-model-calculations-of-lanio3-compared-to-photoemission-o-1s-x-ray-absorp/
We present results for the density of states (DOS), the spectral weight, and the dielectric function ε2. The calculations are compared to previous photoemission (PES), O 1s X-ray absorption (XAS), as well as optical absorption spectra. Both band structure and cluster model results are in good agreement with the experimental data. We point out that this concordance is very rare and far from trivial; we argue that this may be due to the unusual characteristics of the ground state of LaNiO3.Graphical abstract (Source: Physics Letters A)Physics Letters AjournalsSat, 15 Jun 2019 17:06:26 +0100703176243Persistent currents and induced magnetization in presence of external magnetic field and transition probabilities in presence of combined laser pulse and external magnetic field for a confined hydrogen atom
https://medworm.com/702698774/persistent-currents-and-induced-magnetization-in-presence-of-external-magnetic-field-and-transition-/
Publication date: Available online 12 June 2019Source: Physics Letters AAuthor(s): Vinod Prasad, Shalini Lumb Talwar, Sonia Lumb, G. Lefkidis, W. HübnerAbstractIn this work we propose to study an atom confined in a potential which consists of a Hulthén potential plus a ring-shaped potential. The atom is further subjected to a spherical confinement. The time-independent Schrödinger equation (TISE) of the system is solved numerically. Exact energy levels are obtained. The persistent current and induced magnetic field of such a confined atom is evaluated. Finally, the atomic system in this potential and confinement is subjected to short electromagnetic pulses, which are shown to induce enormous currents. (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Jun 2019 21:39:23 +0100702698774The deviation factor and divergences in quantum electrodynamics, concrete examples
https://medworm.com/702698773/the-deviation-factor-and-divergences-in-quantum-electrodynamics-concrete-examples/
Publication date: Available online 12 June 2019Source: Physics Letters AAuthor(s): Lev SakhnovichAbstractWe consider the divergences in quantum electrodynamics. Our approach is based on ideas from the theory of generalized wave operators. In particular, we use the concept of the deviation factor. The deviation factor characterizes the deviations of the initial and final waves from the free waves. The approach is demonstrated on important examples. (Source: Physics Letters A)Physics Letters AjournalsThu, 13 Jun 2019 21:39:23 +0100702698773Manipulating electronic and magnetic properties of black phosphorene with 4d series transition metal adsorption
https://medworm.com/702698772/manipulating-electronic-and-magnetic-properties-of-black-phosphorene-with-4d-series-transition-metal/
Publication date: Available online 12 June 2019Source: Physics Letters AAuthor(s): Yusheng Wang, Nahong Song, Na Dong, Shijun Luo, Min Jia, Kai Xu, Yafeng Zheng, Hong Ling, Meng LiAbstractWe carry out first-principles calculations within density-functional theory to investigate the structural, electronic and magnetic properties of 4d transition metal (TM) decorated monolayer black phosphorene (BP). The results indicate that the TM adsorption on BP can have dilute magnetic semiconductor (DMS) properties. The spin polarized semiconducting state is realized in BP by adsorption of Y, Nb and Ru, while a half-metal state is obtained by Tc adsorption. In the case of two same types of TMs adsorption on BP, only 2Nb-s@BP shows DMS state. In particular, two different types of TMs decorated BP can in...Physics Letters AjournalsThu, 13 Jun 2019 21:39:23 +0100702698772Unstable twisted modes in interpenetrating space plasmas containing superthermal species
https://medworm.com/702378157/unstable-twisted-modes-in-interpenetrating-space-plasmas-containing-superthermal-species/
Publication date: Available online 11 June 2019Source: Physics Letters AAuthor(s): S. Bukhari, S.A. Khan, S. AliAbstractThe electrostatic twisted modes with orbital angular momentum and associated kinetic instability are studied in a permeating space plasma containing streaming particle species. The plasma containing superthermal electrons and ions is modeled by using a non-gyrotropic Kappa distribution function which penetrates through a relatively slow moving (static) plasma and gives rise to dispersion, damping and growth of ion-acoustic mode under various conditions. Using the Vlasov-Poisson model, the solutions of twisted modes are defined by Laguerre-Gaussian mode functions, which decompose the plasma distribution function and electric field into components characterized by the axial...Physics Letters AjournalsWed, 12 Jun 2019 17:09:24 +0100702378157Optoelectronic properties of two-dimensional GaN adsorbed with H, N and O: A first-principle study
https://medworm.com/702378156/optoelectronic-properties-of-two-dimensional-gan-adsorbed-with-h-n-and-o-a-first-principle-study/
Publication date: Available online 11 June 2019Source: Physics Letters AAuthor(s): Jian Tian, Lei Liu, Sihao Xia, Yu Diao, Feifei LuAbstractIn this paper, we have investigated optoelectronic properties of two-dimensional GaN adsorbed with non-metal atoms: H, N and O based on first-principle. We find that adsorption of H, N and O atom on 2D GaN is achieved by chemisorption, and the most stable adsorption site is at the top of N atom. Band structure of 2D GaN after adsorbing H atom moves to low energy region and two-dimensional GaN is transformed into an n-type semiconductor. After adsorption of N atom, a new impurity energy appears at the Fermi level, and N adatom could induce magnetism into 2D GaN. Static dielectric constants of 2D GaN increase and adsorption spectrums have extend to infra...Physics Letters AjournalsWed, 12 Jun 2019 17:09:24 +0100702378156Two-dimensional vector solitons in a cold atomic gas via electromagnetically induced transparency
https://medworm.com/702378155/two-dimensional-vector-solitons-in-a-cold-atomic-gas-via-electromagnetically-induced-transparency/
Publication date: Available online 11 June 2019Source: Physics Letters AAuthor(s): Wen-Wu Deng, Shun-Fang Chen, Ya-Wei Guo, Hong Li, Si-Liu Xu, Qi Guo, Milivoj J. Belić, Yuan ZhaoAbstractWe investigate the formation and propagation of vector vortex solitons (VSs) and unipolar solitons (USs) in a cold coherent atomic gas with a Bessel lattice (BL). The system considered is a gas with a tripod level configuration. Owing to the big enhancement of Kerr nonlinearity contributed by the electromagnetically induced transparency (EIT), a weak vector vortex soliton can be effectively formed with ultraslow propagation velocity. We also demonstrate that the characteristics of two-dimensional VSs and USs can be controlled and manipulated by adjusting the parameters of BL. Results obtained may be usefu...Physics Letters AjournalsWed, 12 Jun 2019 17:09:24 +0100702378155Multi-velocity and multi-temperature model of the mixture of polyatomic gases issuing from kinetic theory
https://medworm.com/702378154/multi-velocity-and-multi-temperature-model-of-the-mixture-of-polyatomic-gases-issuing-from-kinetic-t/
Publication date: Available online 11 June 2019Source: Physics Letters AAuthor(s): Milana Pavić-ČolićAbstractIn this paper, we consider Euler-like balance laws for mixture components that involve macroscopic velocities and temperatures for each different species. These laws are not conservation laws due to mutual interaction between species. In particular, source terms that describe the rate of change of momentum and energy of the constituents appear. These source terms are computed with the help of kinetic theory for mixtures of polyatomic gases. Moreover, if we restrict the attention to processes which occur in the neighborhood of the average velocity and temperature of the mixture, the phenomenological coefficients of extended thermodynamics can be determined from the computed source...Physics Letters AjournalsWed, 12 Jun 2019 17:09:24 +0100702378154Role of pulse shaping in control of focus and intensity of terahertz radiation
https://medworm.com/702059728/role-of-pulse-shaping-in-control-of-focus-and-intensity-of-terahertz-radiation/
Publication date: Available online 10 June 2019Source: Physics Letters AAuthor(s): Reenu Gill, Hitendra K. MalikAbstractIn this work, we uncover the role of lasers pulse shaping for controlling the terahertz peaks with their separation in addition to their intensities. We have developed a mathematical model for obtaining the amplitude, frequency, and power of the emitted Terahertz radiation for the lasers whose shape is tailored based on the index and skew parameter. Then the results are compared with the case of Gaussian laser pulse in collisional plasma. We optimize the process by applying magnetic field and by varying the index of the lasers for compensating the negative influence of collisions on the THz emission. Specifically the effect of laser beam width, magnetic field and collisio...Physics Letters AjournalsTue, 11 Jun 2019 12:39:25 +0100702059728Strain tuned electronic and magnetic anisotropy in SrTiO3 (110) surface
https://medworm.com/701268855/strain-tuned-electronic-and-magnetic-anisotropy-in-srtio3-110-surface/
Publication date: Available online 4 June 2019Source: Physics Letters AAuthor(s): Yan-ling Du, Hong-xia Bu, Zhi-yong Kong, Hui Sheng, Xue-jin Wang, Xiao-nan FangAbstractIn this work, the density functional theory (DFT) calculations are employed to investigate the effect of in-plane strain on the electronic and magnetic anisotropy of SrTiO-terminated SrTiO3 (110) surface. The two-dimensional electron gas (2DEG) at the surface comes from the surface Ti 3d orbitals and exhibits anisotropic transport properties. The ordering of the lowest conduction band states can be tuned by in-plane strain. In addition, the in-plane strain can effectively modify and reduce the electron effective mass of the SrTiO3 (110) surface, and the effect of the in-plane strain on the two directions of [001] and [11¯0...Physics Letters AjournalsSat, 08 Jun 2019 13:39:27 +0100701268855Energy behavior of spin electron cyclotron wave in a spin polarized plasma
https://medworm.com/701110058/energy-behavior-of-spin-electron-cyclotron-wave-in-a-spin-polarized-plasma/
This study may find its applications to understand the energy behavior inspin polarized solid state plasmas (Source: Physics Letters A)Physics Letters AjournalsFri, 07 Jun 2019 23:39:29 +0100701110058