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Singular isotonic oscillator, supersymmetry and superintegrability
Symmetry, integrability and geometry: methods and applications, Tome 8 (2012) Cet article a éte moissonné depuis la source Math-Net.Ru

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In the case of a one-dimensional nonsingular Hamiltonian $H$ and a singular supersymmetric partner $H_{a}$, the Darboux and factorization relations of supersymmetric quantum mechanics can be only formal relations. It was shown how we can construct an adequate partner by using infinite barriers placed where are located the singularities on the real axis and recover isospectrality. This method was applied to superpartners of the harmonic oscillator with one singularity. In this paper, we apply this method to the singular isotonic oscillator with two singularities on the real axis. We also applied these results to four 2D superintegrable systems with second and third-order integrals of motion obtained by Gravel for which polynomial algebras approach does not allow to obtain the energy spectrum of square integrable wavefunctions. We obtain solutions involving parabolic cylinder functions.
Keywords: supersymmetric quantum mechanics; superintegrability; isotonic oscillator; polynomial algebra; special functions. 
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     url = {http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a62/}
}
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Ian Marquette. Singular isotonic oscillator, supersymmetry and superintegrability. Symmetry, integrability and geometry: methods and applications, Tome 8 (2012). http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a62/

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