Time asymmetry of probabilities versus relativistic causal structure: an arrow of time.

@article{Coecke2012TimeAO,
  title={Time asymmetry of probabilities versus relativistic causal structure: an arrow of time.},
  author={Bob Coecke and Raymond Lal},
  journal={Physical review letters},
  year={2012},
  volume={108 20},
  pages={
          200403
        }
}
  • Bob Coecke, Raymond Lal
  • Published 2012
  • Medicine, Physics
  • Physical review letters
  • There is an incompatibility between the symmetries of causal structure in relativity theory and the signaling abilities of probabilistic devices with inputs and outputs: while time reversal in relativity will not introduce the ability to signal between spacelike separated regions, this is not the case for probabilistic devices with spacelike separated input-output pairs. We explicitly describe a nonsignaling device which becomes a perfect signaling device under time reversal, where time… CONTINUE READING

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