22.40.+p Privacy amplification

Monogamies of correlations and amplification of randomness

2013-08-12 - 2013-12-05

R. Augusiak, M. Demianowicz, M. Pawłowski, J. Tura, A. Acín


arXiv:1307.6390 [quant-ph]

Physical principles constrain the way nonlocal correlations can be distributed among parties in a Bell experiment. Here, we show that in any no-signalling theory the amount of violation of a certain class of Bell inequalities tightly bounds the knowledge that an external observer can gain about outcomes of any single measurement performed by the parties.

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