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Bounding the Set of Classical Correlations of a Many-Body System

Fadel, Matteo and Tura, Jordi. (2017) Bounding the Set of Classical Correlations of a Many-Body System. Physical Review Letters, 119 (23). p. 230402.

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Official URL: http://edoc.unibas.ch/58168/

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Abstract

We present a method to certify the presence of Bell correlations in experimentally observed statistics, and to obtain new Bell inequalities. Our approach is based on relaxing the conditions defining the set of correlations obeying a local hidden variable model, yielding a convergent hierarchy of semidefinite programs (SDP's). Because the size of these SDP's is independent of the number of parties involved, this technique allows us to characterize correlations in many-body systems. As an example, we illustrate our method with the experimental data presented in Science 352, 441 (2016).
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimentelle Nanophysik (Treutlein)
UniBasel Contributors:Fadel, Matteo
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
ISSN:0031-9007
e-ISSN:1079-7114
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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edoc DOI:
Last Modified:28 Dec 2017 10:25
Deposited On:28 Dec 2017 10:25

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