Bell's theorem in time without inequalities

Bell's theorem revealed that a local hidden-variable model cannot completely reproduce the quantum mechanical predictions. Bell's inequality provides an upper bound under the locality and reality assumptions that can be violated by correlated measurement statistics of quantum mechanics. Gr...

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Bibliographic Details
Published in:Europhysics letters 2023-08, Vol.143 (3), p.38001
Main Author: Ali, Md. Manirul
Format: Article
Language:English
Subjects:
Bell's inequality
Correlation
Quantum mechanics
Theorems
Upper bounds
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Summary:Bell's theorem revealed that a local hidden-variable model cannot completely reproduce the quantum mechanical predictions. Bell's inequality provides an upper bound under the locality and reality assumptions that can be violated by correlated measurement statistics of quantum mechanics. Greenberger, Horne, and Zeilinger (GHZ) gave a more compelling proof of Bell's theorem without inequalities by considering perfect correlations rather than statistical correlations. In this work, we present a temporal analogue of GHZ argument that establishes Bell's theorem in time without inequalities .
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/ace9f7