Closed formula for the metric in the Hilbert space of a PT-symmetric model
classification
🧮 math-ph
math.MPquant-ph
keywords
closedformulametricmodelpt-symmetricderiveexactlyhermitian
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We introduce a very simple, exactly solvable PT-symmetric non-Hermitian model with real spectrum, and derive a closed formula for the metric operator which relates the problem to a Hermitian one.
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