The relativistic causality versus no-signaling paradigm for multi-party correlations

  title={The relativistic causality versus no-signaling paradigm for multi-party correlations},
  author={Paweł Horodecki and Ravishankar Ramanathan},
  journal={Nature Communications},
The ubiquitous no-signaling constraints state that the probability distributions of outputs of any subset of parties in a Bell experiment are independent of remaining parties’ inputs. These constraints are considered to form ultimate limits for physical correlations and led to the fields of post-quantum cryptography, randomness generation besides identifying information-theoretic principles underlying quantum theory. Here we show that while these constraints are sufficient, they are not… 
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