Polynomial algebras of superintegrable systems separating in Cartesian coordinates from higher order ladder operators

• URL: http://arxiv.org/abs/2202.13281v1
• Date: Sun, 27 Feb 2022 03:33:26 GMT
• Title: Polynomial algebras of superintegrable systems separating in Cartesian coordinates from higher order ladder operators
• Authors: Danilo Latini, Ian Marquette and Yao-Zhong Zhang
• Abstract summary: We introduce the general algebras characterizing a class of higher order superintegrable systems that separate in coordinates. The construction relies on underlying Heisenberg algebras and their defining higher order ladder operators.
• Score: 0.618778092044887
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We introduce the general polynomial algebras characterizing a class of higher order superintegrable systems that separate in Cartesian coordinates. The construction relies on underlying polynomial Heisenberg algebras and their defining higher order ladder operators. One feature of these algebras is that they preserve by construction some aspects of the structure of the $\mathfrak{gl}(n)$ Lie algebra. Among the classes of Hamiltonians arising in this framework are various deformations of harmonic oscillator and singular oscillator related to exceptional orthogonal polynomials and even Painlev\'e and higher order Painlev\'e analogs. As an explicit example, we investigate a new three-dimensional superintegrable system related to Hermite exceptional orthogonal polynomials of type III. Among the main results is the determination of the degeneracies of the model in terms of the finite-dimensional irreducible representations of the polynomial algebra.

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