Quasi-exactly solvable quartic: real algebraic spectral locus

Apr 27, ’11 10:57 PM
Author dwh Categories Purdue University Tags ,

Alexandre Eremenko, Andrei Gabrielov

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

http://arxiv.org/abs/1104.4980
Mathematical Physics (math-ph)

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