## 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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