Two-parametric PT-symmetric quartic family

Details Two-parametric PT-symmetric quartic family Two-parametric PT-symmetric quartic family

2011-05-13

arxiv.org/abs/1105.2742v2

J. Phys. A: Math. Theor. 45 (2012) 175206

Physics

Mathematical Physics

23 pages, 15 figures

Scientific paper

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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