Discretized representations of harmonic variables by bilateral Jacobi operators

Andreas Ruffing

Discrete Dynamics in Nature and Society, 2000, vol. 4, 1-12

Abstract:

Starting from a discrete Heisenberg algebra we solve several representation problems for a discretized quantum oscillator in a weighted sequence space. The Schrödinger operator for a discrete harmonic oscillator is derived. The representation problem for a q -oscillator algebra is studied in detail. The main result of the article is the fact that the energy representation for the discretized momentum operator can be interpreted as follows: It allows to calculate quantum properties of a large number of non-interacting harmonic oscillators at the same time. The results can be directly related to current research on squeezed laser states in quantum optics. They reveal and confirm the observation that discrete versions of continuum Schrodinger operators allow more structural freedom than their continuum analogs do.

Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:303516

DOI: 10.1155/S1026022600000285

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