Quantifying multipartite nonlocality

Bancal, Jean-Daniel, Branciard, Cyril, Gisin, Nicolas and Pironio, Stefano (2009) Quantifying multipartite nonlocality. Physical Review Letters, 103 9: 090503-1-090503-4. doi:10.1103/PhysRevLett.103.090503

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Author Bancal, Jean-Daniel
Branciard, Cyril
Gisin, Nicolas
Pironio, Stefano
Title Quantifying multipartite nonlocality
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2009-08-26
Year available 2009
Sub-type Letter to editor, brief commentary or brief communication
DOI 10.1103/PhysRevLett.103.090503
Open Access Status File (Publisher version)
Volume 103
Issue 9
Start page 090503-1
End page 090503-4
Total pages 4
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract The nonlocal correlations of multipartite entangled states can be reproduced by a classical model if sufficiently many parties join together or if sufficiently many parties broadcast their measurement inputs. The maximal number m of groups and the minimal number k of broadcasting parties that allow for the reproduction of a given set of correlations quantify their multipartite nonlocal content. We show how upper bounds on m and lower bounds on k can be computed from the violation of the Mermin-Svetlichny inequalities. While n-partite Greenberger-Horne-Zeilinger states violate these inequalities maximally, we find that W states violate them only by a very small amount.
Q-Index Code CX
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Letter to editor, brief commentary or brief communication
Collections: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 30 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 31 times in Scopus Article | Citations
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Created: Thu, 24 Mar 2011, 17:58:18 EST by Mr Cyril Branciard on behalf of School of Mathematics & Physics