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Title: Experimental falsification of leggett's nonlocal variable model
Authors: Branciard, C.
Ling, A. 
Gisin, N.
Kurtsiefer, C. 
Lamas-Linares, A. 
Scarani, V. 
Issue Date: 21-Nov-2007
Citation: Branciard, C., Ling, A., Gisin, N., Kurtsiefer, C., Lamas-Linares, A., Scarani, V. (2007-11-21). Experimental falsification of leggett's nonlocal variable model. Physical Review Letters 99 (21) : -. ScholarBank@NUS Repository.
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.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.99.210407
Appears in Collections:Staff Publications

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