Quantum Correlations in Newtonian Space and Time:

Faster than Light Communication or Nonlocality
  • Nicolas GisinEmail author


We investigate possible explanations of quantum correlations that satisfy the principle of continuity, which states that everything propagates gradually and continuously through space and time. In particular, following (Bancal et al. in Nat. Phys., 2012) we show that any combination of local common causes and direct causes satisfying this principle, i.e. propagating at any finite speed, leads to signalling. This is true even if the common and direct causes are allowed to propagate at a supraluminal-but-finite speed defined in a Newtonian-like privileged universal reference frame. Consequently, either there is supraluminal communication or the conclusion that Nature is nonlocal (i.e. discontinuous) is unavoidable. [Editor’s note: for a video of the talk given by Prof. Gisin at the Aharonov-80 conference in 2012 at Chapman University, see]


Quantum Theory Quantum Correlation Bell Inequality Direct Causation Quantum Nonlocality 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This article greatly profited from numerous exchanges with my co-authors of [2] and from comment by Rob Thew and many colleagues over the years. This work has been supported by the ERC-AG grant QORE, the CHIST-ERA DIQIP project, and by the Swiss NCCR Quantum Science and Technology—QSIT.


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Copyright information

© Springer-Verlag Italia 2014

Authors and Affiliations

  1. 1.Group of Applied PhysicsUniversity of GenevaGeneva 4Switzerland

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