Pseudo-Hermiticity, PT-symmetry, and the Metric Operator

Details Pseudo-Hermiticity, PT-symmetry, and the Metric Operator Pseudo-Hermiticity, PT-symmetry, and the Metric Operator

2005-08-29

arxiv.org/abs/quant-ph/0508214v1

Physics

Quantum Physics

5 pages, Contributed to the Proceedings of the 3rd International Workshop on Pseudo-Hermitian Hamiltonians in Quantum Physics,

Scientific paper

10.1007/s10582-005-0121-z

The main achievements of Pseudo-Hermitian Quantum Mechanics and its distinction with the indefinite-metric quantum theories are reviewed. The issue of the non-uniqueness of the metric operator and its consequences for defining the observables are discussed. A systematic perturbative expression for the most general metric operator is offered and its application for a toy model is outlined.

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