Nature Communications (Apr 2019)

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

  • Paweł Horodecki,
  • Ravishankar Ramanathan

DOI
https://doi.org/10.1038/s41467-019-09505-2
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 6

Abstract

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It is generally assumed that no-signalling constraints and relativistic causality are equivalent. Here, the authors show that, in the multipartite setting, the no-signalling condition is in general stronger than demanding relativistic causality.