Characterizing the nonlocal correlations created via entanglement swapping

Branciard, Cyril, Gisin, Nicolas and Pironio, Stefano (2010) Characterizing the nonlocal correlations created via entanglement swapping. Physical Review Letters, 104 17: 170401-1-170401-4. doi:10.1103/PhysRevLett.104.170401

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Author Branciard, Cyril
Gisin, Nicolas
Pironio, Stefano
Title Characterizing the nonlocal correlations created via entanglement swapping
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2010-04-26
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.104.170401
Open Access Status File (Publisher version)
Volume 104
Issue 17
Start page 170401-1
End page 170401-4
Total pages 4
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Language eng
Abstract Quantum systems that have never interacted can become nonlocally correlated through a process called entanglement swapping. To characterize nonlocality in this context, we introduce local models where quantum systems that are initially uncorrelated are described by uncorrelated local variables. This additional assumption leads to stronger tests of nonlocality. We show, in particular, that an entangled pair generated through entanglement swapping will already violate a Bell-type inequality for visibilities as low as 50% under our assumption. © 2010 The American Physical Society
Keyword Communication
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status Non-UQ
Additional Notes Article number 170401

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 48 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 47 times in Scopus Article | Citations
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Created: Thu, 24 Mar 2011, 17:50:52 EST by Mr Cyril Branciard on behalf of Physics