Quantum mechanics and umbral calculus

Details Quantum mechanics and umbral calculus Quantum mechanics and umbral calculus

2008-05-14

arxiv.org/abs/0805.2017v1

Physics

Quantum Physics

17 pages, 3 figures, Proceedings of the V International Symposium on Quantum Theory and Symmetries (Valladolid, Spain, July 22

Scientific paper

In this paper we present the first steps for obtaining a discrete Quantum Mechanics making use of the Umbral Calculus. The idea is to discretize the continuous Schroedinger equation substituting the continuous derivatives by discrete ones and the space-time continuous variables by well determined operators that verify some Umbral Calculus conditions. In this way we assure that some properties of integrability and symmetries of the continuous equation are preserved and also the solutions of the continuous case can be recovered discretized in a simple way. The case of the Schroedinger equation with a potential depending only in the space variable is discussed.

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