Experimental falsification of Leggett's nonlocal variable model

Branciard, Cyril, Ling, Alexander, Gisin, Nicolas, Kurtsiefer, Christian, Lamas-Linares, Antia and Scarani, Valerio (2007) Experimental falsification of Leggett's nonlocal variable model. Physical Review Letters, 99 21: 210407-1-210407-4. doi:10.1103/PhysRevLett.99.210407

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Author Branciard, Cyril
Ling, Alexander
Gisin, Nicolas
Kurtsiefer, Christian
Lamas-Linares, Antia
Scarani, Valerio
Title Experimental falsification of Leggett's nonlocal variable model
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2007-11-23
Sub-type Letter to editor, brief commentary or brief communication
DOI 10.1103/PhysRevLett.99.210407
Open Access Status File (Publisher version)
Volume 99
Issue 21
Start page 210407-1
End page 210407-4
Total pages 4
Place of publication College Park, MD, U.S.A.
Publisher American Physical Society
Language eng
Formatted abstract
Bell’s theorem guarantees that no model based on local variables can reproduce quantum correlations. Also, some models based on nonlocal variables, if subject to apparently “reasonable” constraints, may fail to reproduce quantum physics. In this Letter, we introduce a family of inequalities, which use a finite number of measurement settings, and which therefore allow testing Leggett’s nonlocal model versus quantum physics. Our experimental data falsify Leggett’s model and are in agreement with quantum predictions.
© 2007 The American Physical Society
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Letter to editor, brief commentary or brief communication
Collection: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 59 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 65 times in Scopus Article | Citations
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Created: Thu, 24 Mar 2011, 18:07:34 EST by Mr Cyril Branciard on behalf of Physics