Quantum secret sharing based on Smolin states alone

Details Quantum secret sharing based on Smolin states alone Quantum secret sharing based on Smolin states alone

2007-11-28

arxiv.org/abs/0711.4468v2

J. Phys. A: Math. Theor. 41, 415304 (2008)

Physics

Quantum Physics

Published version

Scientific paper

It was indicated [Yu 2007 Phys. Rev. A 75 066301] that a previous proposed quantum secret sharing (QSS) protocol based on Smolin states [Augusiak 2006 Phys. Rev. A 73 012318] is insecure against an internal cheater. Here we build a different QSS protocol with Smolin states alone, and prove it to be secure against known cheating strategies. Thus we open a promising venue for building secure QSS using merely Smolin states, which is a typical kind of bound entangled states. We also propose a feasible scheme to implement the protocol experimentally.

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