Journal
PHYSICS LETTERS A
Volume 384, Issue 6, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physleta.2019.126129
Keywords
Supersymmetric quantum mechanics; Shape invariance; Exactly solvable systems; Extended potentials; Point canonical transformations; Isospectral deformation
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All known additive shape invariant superpotentials in nonrelativistic quantum mechanics belong to one of two categories: superpotentials that do not explicitly depend on h, and their h-dependent extensions. The former group themselves into two disjoint classes, depending on whether the corresponding Schrodinger 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. (C) 2019 Elsevier B.V. All rights reserved.
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