Two-parametric PT-symmetric quartic family
classification
🧮 math-ph
math.CVmath.MP
keywords
familypt-symmetricquarticrealtwo-parametricdescribedoreydunning
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We describe a parametrization of the real spectral locus of the two-parametric family of PT-symmetric quartic oscillators. For this family, we find a parameter region where all eigenvalues are real, extending the results of Dorey, Dunning, Tateo and Shin.
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