Abstract
We revise a method by Kalnins et al. (J Phys A Math Theor 43:265205, 2010) for constructing a canonical form for symmetry operators of arbitrary order for the Schrödinger eigenvalue equation HΨ ≡ (Δ 2 + V )Ψ = EΨ on any 2D Riemannian manifold, real or complex, that admits a separation of variables in some orthogonal coordinate system. Most of this paper is devoted to describing the method. Details will be provided elsewhere. As examples we revisit the Tremblay and Winternitz derivation of the Painlevé VI potential for a third order superintegrable flat space system that separates in polar coordinates and, as new results, we show that the Painlevé VI potential also appears for a third order superintegrable system on the 2-sphere that separates in spherical coordinates, as well as a third order superintegrable system on the 2-hyperboloid that separates in spherical coordinates and one that separates in horocyclic coordinates. The purpose of this project is to develop tools for analysis and classification of higher order superintegrable systems on any 2D Riemannian space, not just Euclidean space.
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References
E.G. Kalnins, J.M. Kress, W.Jr. Miller, Superintegrability and higher order integrals for quantum systems. J. Phys. A Math. Theor. 43, 265205 (2010)
F. Tremblay, V.A. Turbiner, P. Winternitz, An infinite family of solvable and integrable quantum systems on a plane. J. Phys. A Math. Theor. 42, 242001 (2009)
F. Tremblay, P. Winternitz, Third order superintegrable systems separating in polar coordinates. J. Phys. A43, 175206 (2010)
E.G. Kalnins, J.M. Kress, W.Jr. Miller, Separation of Variables and Superintegrability: The Symmetry of Solvable Systems (Institute of Physics, London, 2018), ISBN: 978-0-7503-1314-8, http://iopscience.iop.org/book/978-0-7503-1314-8, e-book
Acknowledgements
We thank Pavel Winternitz for helpful discussions and Adrian Escobar for pointing out the relevance of the paper [1] to classification of third order superintegrable systems. W.M. was partially supported by a grant from the Simons Foundation (# 412351 to Willard Miller, Jr.). I.M. was supported by the Australian Research Council Discovery Grant DP160101376 and Future Fellowship FT180100099.
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Berntson, B.K., Marquette, I., Miller, W. (2021). A New Approach to Analysis of 2D Higher Order Quantum Superintegrable Systems. In: Paranjape, M.B., MacKenzie, R., Thomova, Z., Winternitz, P., Witczak-Krempa, W. (eds) Quantum Theory and Symmetries. CRM Series in Mathematical Physics. Springer, Cham. https://doi.org/10.1007/978-3-030-55777-5_10
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DOI: https://doi.org/10.1007/978-3-030-55777-5_10
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