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|Title:||The non-locality of n noisy Popescu-Rohrlich boxes||Authors:||Fitzi, M.
|Issue Date:||19-Nov-2010||Citation:||Fitzi, M., Hänggi, E., Scarani, V., Wolf, S. (2010-11-19). The non-locality of n noisy Popescu-Rohrlich boxes. Journal of Physics A: Mathematical and Theoretical 43 (46) : -. ScholarBank@NUS Repository. https://doi.org/10.1088/1751-8113/43/46/465305||Abstract:||We quantify the amount of non-locality contained in n noisy versions of the so-called Popescu-Rohrlich boxes (PRBs), i.e. bipartite systems violating the CHSH Bell inequality maximally. Following the approach by Elitzur, Popescu and Rohrlich, we measure the amount of non-locality of a system by representing it as a convex combination of a local behaviour, with maximal possible weight, and a non-signalling system. We show that the local part of n systems, each of which approximates a PRB with probability 1 - ε, is of order Θ(ε⌈n/2⌉) in the isotropic, and equal to (3ε)n in the maximally biased case. © 2010 IOP Publishing Ltd.||Source Title:||Journal of Physics A: Mathematical and Theoretical||URI:||http://scholarbank.nus.edu.sg/handle/10635/98301||ISSN:||17518113||DOI:||10.1088/1751-8113/43/46/465305|
|Appears in Collections:||Staff Publications|
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