Summary
The problem of a correct description of phase variable in quantum mechanics has been revisited. The existence of a unique, consistent definition for the quantum phase of the harmonic oscillator is shown starting from the correspondence principle and Born’s statistical rule. Connections with existing approaches are also reported.
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Paris, M.G.A. Canonical quantum phase variable. Nuov Cim B 111, 1151–1159 (1996). https://doi.org/10.1007/BF02743225
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DOI: https://doi.org/10.1007/BF02743225