Phys. Rev. A 56, R1682–R1685 (1997)Critical visibility for N-particle Greenberger-Horne-Zeilinger correlations to violate local realism
A sequence of Bell inequalities for N-particle systems, which involve three settings of each of the local measuring apparatuses, is derived. For Greenberger-Horne-Zellinger states, quantum mechanics violates these inequalities by factors exponentially growing with N. The threshold visibilities of the multiparticle sinusoidal interference fringes, for which local realistic theories are ruled out, decrease as (2/3)N. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.56.R1682
DOI:
10.1103/PhysRevA.56.R1682
PACS:
03.65.Bz, 42.50.Dv, 89.70.+c
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