Classical Behavior of Nonclassical Quantum States

We use a new formulation of nonclassicality in weak measurements based on the probabilistic behavior of “weak quasimoments” to show that nonclassical quantum states in the Glauber–Sudarshan representation can behave classically in weak measurements with post-selection. We directly calculate marginal...

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Bibliographic Details
Published inJournal of Russian laser research Vol. 40; no. 6; pp. 515 - 521
Main Authors Rafiepoor, E., Bazrafkan, M. R., Batebi, S.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2019
Springer Nature B.V
Subjects
Lasers
Microwaves
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
RF and Optical Engineering
nonclassical state
strange weak value
quasidistribution
weak measurement
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Summary:We use a new formulation of nonclassicality in weak measurements based on the probabilistic behavior of “weak quasimoments” to show that nonclassical quantum states in the Glauber–Sudarshan representation can behave classically in weak measurements with post-selection. We directly calculate marginal quasidistributions related to the “weak quasimoments” and show that they are nonnegative.
ISSN:1071-2836
1573-8760
DOI:10.1007/s10946-019-09832-1