PT symmetric, hermitian and P-selfadjoint operators related to potentials in PT quantum mechanics

Azizov, Tomas Ya; Trunk, Carsten GND

In the recent years a generalization of the harmonic oscillator using a complex deformation was investigated, where epsilon is a real parameter. Here, we will consider the most simple case: even and x real. We will give a complete characterization of three different classes of operators associated with the differential expression H: The class of all self-adjoint (Hermitian) operators, the class of all PT symmetric operators and the class of all P-self-adjoint operators. Surprisingly, some of the PT symmetric operators associated to this expression have no resolvent set.

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Azizov, Tomas Ya / Trunk, Carsten: PT symmetric, hermitian and P-selfadjoint operators related to potentials in PT quantum mechanics. 2011.

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