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quant-ph2008★ 14 cited
The non-locality of n noisy Popescu-Rohrlich boxes
Matthias Fitzi, Esther Hänggi, Valerio Scarani +1
We quantify the amount of non-locality contained in n noisy versions of so-called Popescu-Rohrlich boxes (PRBs), i.e., bipartite systems violating the CHSH Bell inequality maximall…
quant-ph2001★ 163 cited
A Quantum solution to the Byzantine agreement problem
Matthias Fitzi, Nicolas Gisin, Ueli Maurer
We present a solution to an old and timely problem in distributed computing. Like Quantum Key Distribution (QKD), quantum channels make it possible to achieve taks classically impo…