English

Quasi-exactly solvable quartic: real algebraic spectral locus

Mathematical Physics 2015-05-28 v2 math.MP

Abstract

We describe the real quasi-exactly solvable spectral locus of the PT-symmetric quartic using the Nevanlinna parametrization.

Cite

@article{arxiv.1104.4980,
  title  = {Quasi-exactly solvable quartic: real algebraic spectral locus},
  author = {Alexandre Eremenko and Andrei Gabrielov},
  journal= {arXiv preprint arXiv:1104.4980},
  year   = {2015}
}

Comments

17 pages, 11 figures

R2 v1 2026-06-21T17:58:56.715Z