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Wronskian/Casoratian Identities and their Application to Quantum Mechanical Systems (2003.00219v2)

Published 29 Feb 2020 in math-ph, hep-th, math.CA, math.MP, and nlin.SI

Abstract: Corresponding to a certain Wronskian identity, we present two types of new Casoratian identities. We apply these identities to the Darboux transformations of quantum mechanical systems. The Wronskian identity is applied to the ordinary quantum mechanics, and the two Casoratian identities are applied to the discrete quantum mechanics with pure imaginary and real shifts, respectively.

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