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 we develop a method to generate a type I superpotential from type II, thus providing a pathway to interconnect all known additive shape invariant superpotentials.
Source: Physics Letters A - Category: Physics Source Type: research

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