Non-Hermitian Hamiltonians with Real Spectra in Quantum Mechanics
classification
🪐 quant-ph
keywords
conditionnon-hermitianrealcasesconditionsgivenhamiltonianhamiltonians
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A condition to have a real spectrum for a non-Hermitian Hamiltonian is given. As special cases, it is shown that the condition is reduced to Hermiticity and PT symmetric conditions.
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