paper

Rational extension and Jacobi-type {\boldmath{}} solutions of a quantum nonlinear oscillator

arXiv:1311.5333 · doi:10.1063/1.4835575

Abstract

We construct a rational extension of a recently studied nonlinear quantum oscillator model. Our extended model is shown to retain exact solvability, admitting a discrete spectrum and corresponding closed-form solutions that are expressed through Jacobi-type exceptional orthogonal polynomials.

To appear in Journal of Mathematical Physics

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