Quantifying the nonlocality of GHZ quantum correlations by a bounded communication simulation protocol

Details Quantifying the nonlocality of GHZ quantum correlations by a bounded communication simulation protocol Quantifying the nonlocality of GHZ quantum correlations by a bounded communication simulation protocol

2011-02-02

arxiv.org/abs/1102.0330v1

Phys. Rev. Lett. 107, 020401 (2011)

Physics

Quantum Physics

7 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.107.020401

The simulation of quantum correlations with alternative nonlocal resources, such as classical communication, gives a natural way to quantify their nonlocality. While multipartite nonlocal correlations appear to be useful resources, very little is known on how to simulate multipartite quantum correlations. We present the first known protocol that reproduces 3-partite GHZ correlations with bounded communication: 3 bits in total turn out to be sufficient to simulate all equatorial Von Neumann measurements on the 3-partite GHZ state.

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