Nonclassical joint distributions and Bell measurements



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Masa, Elisa and Ares Santos, Laura and Luis Aina, Alfredo (2020) Nonclassical joint distributions and Bell measurements. Physics letters A, 384 (20). ISSN 0375-9601

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Derivation and experimental violation of Bell-like inequalities involve the measurement of incompatible observables. Simple complementarity forbids the existence of such joint probability distribution. Moreover, the measurement of incompatible observables requires different experimental procedures, which no necessarily must share a common joint statistics. In this work, we avoid these difficulties by proposing a joint simultaneous measurement. We can obtain the exact individual statistics of all the observables involved in the Bell inequalities after a suitable data inversion. A lack of positivity or any other pathology of the so retrieved joint distribution is then a signature of nonclassical behavior.

Item Type:Article
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© 2020 Elsevier B.V.
L. A. and A. L. acknowledge financial support from Spanish Ministerio de Economía y Competitividad Project No. FIS2016-75199-P. L. A. acknowledges financial support from European Social Fund and the Spanish Ministerio de Ciencia Innovación y Universidades, Contract Grant No. BES-2017-081942.

Uncontrolled Keywords:Variables
Subjects:Sciences > Physics > Optics
ID Code:60849
Deposited On:18 Jun 2020 14:59
Last Modified:18 Jun 2020 14:59

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