2020
DOI: 10.48550/arxiv.2008.10756
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Free Oscillator Realization of the Laguerre Polynomial

Satoru Odake

Abstract: Eigenfunctions of the radial oscillator are described by the Laguerre polynomial. By using a free oscillator, namely the creation/annihilation operators of the harmonic oscillator, we construct some operator. By this operator, eigenfunctions of the radial oscillator are obtained from those of the harmonic oscillator. As a polynomial part of this relation, the Laguerre polynomial L, where b is some operator and 1 F 0 is the hypergeometric function.

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Cited by 1 publication
(3 citation statements)
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“…Sticking to one parity sector, say the even one, at the price of not having a unified framework, one finds that the wave functions of the singular oscillator are obtained from those of the harmonic oscillator with an even number of excitations. This is the view taken in [15]. This observation is in keeping with the fact that on the one hand, the states of the harmonic oscillator with a fixed parity support metaplectic representations of su(1, 1) which is then mapped onto the su(1, 1) irreducible representation space spanned by the states of the singular oscillator.…”
Section: Discussionsupporting
confidence: 52%
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“…Sticking to one parity sector, say the even one, at the price of not having a unified framework, one finds that the wave functions of the singular oscillator are obtained from those of the harmonic oscillator with an even number of excitations. This is the view taken in [15]. This observation is in keeping with the fact that on the one hand, the states of the harmonic oscillator with a fixed parity support metaplectic representations of su(1, 1) which is then mapped onto the su(1, 1) irreducible representation space spanned by the states of the singular oscillator.…”
Section: Discussionsupporting
confidence: 52%
“…Borrowing ideas presented in [15], we offer in this section a realization of the Dunkl intertwining operator V µ in terms of bosonic operators. This follows from Theorem 3.1 which gives the action of V µ on the Hermite polynomials that provide a well known representation basis for the oscillator operators.…”
Section: The Boson Operator Realizationmentioning
confidence: 99%
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