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