Publication:
Metric operators for quasi-Hermitian Hamiltonians and symmetries of equivalent Hermitian Hamiltonians

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We give a simple proof of the fact that every diagonalizable operator that has a real spectrum is quasi-Hermitian and show how the metric operators associated with a quasi-Hermitian Hamiltonian are related to the symmetry generators of an equivalent Hermitian Hamiltonian.

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Iop Publishing Ltd

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Physics, Mathematical physics

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Journal of Physics A: Mathematical and Theoretical

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10.1088/1751-8113/41/24/244017

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