2011
DOI: 10.1088/1751-8113/44/26/265203
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Finite oscillator models: the Hahn oscillator

Abstract: A new model for the finite one-dimensional harmonic oscillator is proposed based upon the algebra u(2) α . This algebra is a deformation of the Lie algebra u(2) extended by a parity operator, with deformation parameter α. A class of irreducible unitary representations of u(2) α is constructed. In the finite oscillator model, the (discrete) spectrum of the position operator is determined, and the position wavefunctions are shown to be dual Hahn polynomials. Plots of these discrete wavefunctions display interest… Show more

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Cited by 47 publications
(111 citation statements)
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“…Note that for a = 1/2 the paraboson wave functions reduce to the canonical oscillator wave functions, as the corresponding Laguerre polynomials become Hermite polynomials [16,Appendix]. So therefore, one can say that under the limit (a, c) → (1/2, +∞) the new oscillator models introduced in this paper reduce to the canonical quantum oscillator.…”
Section: Limits and Special Casesmentioning
confidence: 94%
“…Note that for a = 1/2 the paraboson wave functions reduce to the canonical oscillator wave functions, as the corresponding Laguerre polynomials become Hermite polynomials [16,Appendix]. So therefore, one can say that under the limit (a, c) → (1/2, +∞) the new oscillator models introduced in this paper reduce to the canonical quantum oscillator.…”
Section: Limits and Special Casesmentioning
confidence: 94%
“…We shall recall some formulas for the paraboson oscillator (see [18] or the appendix of [19]). In terms of the momentum and position operatorp andq, the Hamiltonian of the paraboson oscillator is given bŷ…”
Section: Expressions For the Sl(2|1) Fourier Transformmentioning
confidence: 99%
“…From the action ofĤ 0 and from the explicit action of the commutator [q,p] on the basis vectors |β, n , it is clear that for β = 1/2 the paraboson oscillator yields the canonical oscillator. The position wavefunctions for the paraboson oscillator can then be determined by constructing the formal eigenvectors ofq (see [19]) or by different techniques [31]. To see that the Lie superalgebra generated by the paraboson operators is indeed osp(1|2), let…”
Section: Expressions For the Sl(2|1) Fourier Transformmentioning
confidence: 99%
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