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Experimental fully contextual correlations
Stockholm University, Faculty of Science, Department of Physics.
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2012 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 108, no 20, 200405- p.Article in journal (Refereed) Published
Abstract [en]

Quantum correlations are contextual yet, in general, nothing prevents the existence of even more contextual correlations. We identify and test a noncontextuality inequality in which the quantum violation cannot be improved by any hypothetical postquantum theory, and use it to experimentally obtain correlations in which the fraction of noncontextual correlations is less than 0.06. Our correlations are experimentally generated from the results of sequential compatible tests on a four-state quantum system encoded in the polarization and path of a single photon.

Place, publisher, year, edition, pages
2012. Vol. 108, no 20, 200405- p.
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Physical Sciences
URN: urn:nbn:se:su:diva-79754DOI: 10.1103/PhysRevLett.108.200405ISI: 000307068600001OAI: diva2:552001
Swedish Research CouncilThe Wenner-Gren Foundation


Available from: 2012-09-12 Created: 2012-09-11 Last updated: 2015-06-01Bibliographically approved

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Amselem, EliasBourennane, MohamedCabello, Adan
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