Bounding temporal quantum correlations

Sequential measurements on a single particle play an important role in fundamental tests of quantum mechanics. We provide a general method to analyze temporal quantum correlations, which allows us to compute the maximal correlations for sequential measurements in quantum mechanics. As an application...

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Bibliographic Details
Published inPhysical review letters Vol. 111; no. 2; p. 020403
Main Authors Budroni, Costantino, Moroder, Tobias, Kleinmann, Matthias, Gühne, Otfried
Format Journal Article
LanguageEnglish
Published United States 12.07.2013
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Summary:Sequential measurements on a single particle play an important role in fundamental tests of quantum mechanics. We provide a general method to analyze temporal quantum correlations, which allows us to compute the maximal correlations for sequential measurements in quantum mechanics. As an application, we present the full characterization of temporal correlations in the simplest Leggett-Garg scenario and in the sequential measurement scenario associated with the most fundamental proof of the Kochen-Specker theorem.
ISSN:1079-7114
DOI:10.1103/PhysRevLett.111.020403