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Quasiexactly solvable quartic: real algebraic spectral locus
, 2011
"... We describe the real quasiexactly solvable locus of the PTsymmetric quartic using Nevanlinna parametrization. ..."
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We describe the real quasiexactly solvable locus of the PTsymmetric quartic using Nevanlinna parametrization.
Twoparametric PTsymmetric quartic family
, 2011
"... We describe a parametrization of the real spectral locus of the twoparametric family of PTsymmetric quartic oscillators. For this family, we find a parameter region where all eigenvalues are real, extending ..."
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Cited by 2 (2 self)
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We describe a parametrization of the real spectral locus of the twoparametric family of PTsymmetric quartic oscillators. For this family, we find a parameter region where all eigenvalues are real, extending
SPECTRAL LOCI OF STURM–LIOUVILLE OPERATORS WITH POLYNOMIAL POTENTIALS
, 2012
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