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Spectral equivalences, Bethe ansatz equations, and reality properties in PT-symmetric quantum mechanics (2001)
Journal Article
Dorey, P., Dunning, C., & Tateo, R. (2001). Spectral equivalences, Bethe ansatz equations, and reality properties in PT-symmetric quantum mechanics. Journal of Physics A: Mathematical and General, 34(28), 5679-5704. https://doi.org/10.1088/0305-4470/34/28/305

The one-dimensional Schrödinger equation for the potential x6 + αx2 + l(l + 1)/x2 has many interesting properties. For certain values of the parameters l and α the equation is in turn supersymmetric (Witten) and quasi-exactly solvable (Turbiner), and... Read More about Spectral equivalences, Bethe ansatz equations, and reality properties in PT-symmetric quantum mechanics.