Quantum Mechanics of Successive Measurements with Arbitrary Meter Coupling
classification
🪐 quant-ph
keywords
couplingarbitrarymeasurementsstrengthsuccessiveallowsappropriatecorrelation
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We study successive measurements of two observables using von Neumann's measurement model. The two-pointer correlation for arbitrary coupling strength allows retrieving the initial system state. We recover Luders rule, the Wigner formula and the Kirkwood-Dirac distribution in the appropriate limits of the coupling strength.
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