Article (Author postprint) (263 Kb) - 
Free accessOther version: http://link.aps.org/doi/10.1103/PhysRevLett.106.100406
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unige:15877 
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How Much Measurement Independence Is Needed to Demonstrate Nonlocality? |
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| Authors | ||
| Published in | Physical Review Letters. 2011, vol. 106, no. 10, p. 4 | |
| Abstract | If nonlocality is to be inferred from a violation of Bell's inequality, an important assumption is that the measurement settings are freely chosen by the observers, or alternatively, that they are random and uncorrelated with the hypothetical local variables. We demonstrate a connection between models that weaken this assumption, allowing partial correlation, and (i) models that allow classical communication between the distant parties, (ii) models that exploit the detection loophole. Even if Bob's choices are completely independent, all correlations from projective measurements on a singlet can be reproduced, with mutual information between Alice's choice and local variables less than or equal to one bit. | |
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Article (Author postprint) (263 Kb) - Free access Other version: http://link.aps.org/doi/10.1103/PhysRevLett.106.100406 |
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| Structures | ||
| Citation (ISO format) | BARRETT, Jonathan, GISIN, Nicolas. How Much Measurement Independence Is Needed to Demonstrate Nonlocality?. In: Physical Review Letters, 2011, vol. 106, n° 10, p. 4. https://archive-ouverte.unige.ch/unige:15877 |
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