Phys. Rev. Lett. 87, 117901 (2001) [4 pages]Quantum Communication between N Partners and Bell's InequalitiesReceived 2 February 2001; revised 4 May 2001; published 24 August 2001 We consider a family of quantum communication protocols involving N partners. We demonstrate the existence of a link between the security of these protocols against individual attacks by the eavesdropper, and the violation of some Bell’s inequalities, generalizing the link that was noticed some years ago for two-partners quantum cryptography. The arguments are independent of the local hidden variable debate. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.117901
DOI:
10.1103/PhysRevLett.87.117901
PACS:
03.67.Hk, 03.65.Ud
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