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Systematic search for \(\mathcal{PT}\)-symmetric potentials with real energy spectra. (English) Zbl 0963.81012


MSC:

81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics
81U15 Exactly and quasi-solvable systems arising in quantum theory
33C45 Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.)
34L40 Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.)
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