2013
DOI: 10.1088/1751-8113/46/50/505204
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The Hahn superalgebra and supersymmetric Dunkl oscillator models

Abstract: A supersymmetric extension of the Hahn algebra is introduced. This quadratic superalgebra, which we call the Hahn superalgebra, is constructed using the realization provided by the Dunkl oscillator model in the plane, whose Hamiltonian involves reflection operators. In this realization, the reflections act as grading operators and the odd generators are part of the Schwinger-Dunkl algebra, which is a two-parameter extension of the bosonic su(2) construction. The even part of the algebra is built from bilinears… Show more

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Cited by 18 publications
(13 citation statements)
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“…where T read as the kinetic energy of a free particle in the absence of Dunkl space, and it is similar to what is given by the classical state which has been used. However, since the three-dimensional Dunkl oscillator Hamiltonain (1) contains first order terms in the derivative, let us consider the following gauge transformation introduced in [28] for each dimension separately…”
Section: Superintegrabilitymentioning
confidence: 99%
“…where T read as the kinetic energy of a free particle in the absence of Dunkl space, and it is similar to what is given by the classical state which has been used. However, since the three-dimensional Dunkl oscillator Hamiltonain (1) contains first order terms in the derivative, let us consider the following gauge transformation introduced in [28] for each dimension separately…”
Section: Superintegrabilitymentioning
confidence: 99%
“…(iv) Rescaling s i → rs i and taking the limit as r → ∞ gives the Hamiltonian of the Dunkl oscillator [27,33] H = −[D 2 x 1 + D 2 x 2 ] + µ 2 3 (x 2 1 + x 2 2 ), after appropriate renormalization; see also [34,35,36].…”
Section: A Superintegrable Model On S 2 With Bannai-ito Symmetrymentioning
confidence: 99%
“…The first step is to obtain the spectra of the intermediate Casimir operators. Simple considerations based on the nature of the sl −1 (2) representation show that the eigenvalues q 12 and q 23 of Q 12 and Q 23 take the form [29,30,28,20]:…”
Section: The Racah Problem For Sl −1 (2) and The Bannai-ito Algebramentioning
confidence: 99%
“…One-dimensional quantum systems involving the Dunkl operator or reflection operators were studied in the context of Calogero models and supersymmetric quantum mechanics [13,14,15,16,17,18,19]. In recent years, a 2D superintegrable system involving reflection operators has been discovered and studied [20] and a series of papers introduced isotropic 2D and 3D Dunkl and singular Dunkl oscillators and a particular case of anisotropic with frequency 2 : 1 [20,21,22,23,24,26]. These works made interesting connections between the obtained quadratic algebras and orthogonal polynomials of various types such as Jacobi-Dunkl polynomials and dual-1 Hahn polynomials.…”
Section: Introductionmentioning
confidence: 99%