We discuss the role played by the decoherence parameter in the many-Hilbert-space approach to quantum measurements. Some criticisms recently put forward by de Muynck and Martens are analyzed, countered and shown to be flawed. It is clarified that a nonvanishing value of the decoherence parameter represents an irreversible loss of quantum-mechanical coherence.

MEANING OF THE DECOHERENCE PARAMETER IN THE MANY-HILBERT-SPACE APPROACH TO QUANTUM MEASUREMENTS

PASCAZIO, Saverio
1993

Abstract

We discuss the role played by the decoherence parameter in the many-Hilbert-space approach to quantum measurements. Some criticisms recently put forward by de Muynck and Martens are analyzed, countered and shown to be flawed. It is clarified that a nonvanishing value of the decoherence parameter represents an irreversible loss of quantum-mechanical coherence.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11586/39781
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