Quantum secret sharing based on Smolin states alone

Abstract

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.

Published version

References in corpus (1)

• Bound entanglement maximally violating Bell inequalities: quantum entanglement is not equivalent to quantum security

Cited by in corpus (3)

• Experimentally Feasible Security Check for n-qubit Quantum Secret Sharing
• A verifiable framework of entanglement-free quantum secret sharing with information-theoretical security
• Entanglement in a class of multiqubit mixed states without multipartite tangles