Multiparty quantum secret splitting and quantum state sharing

Details Multiparty quantum secret splitting and quantum state sharing Multiparty quantum secret splitting and quantum state sharing

2005-08-16

arxiv.org/abs/quant-ph/0508118v3

Physics Letters A 354 (3), 190-195 (2006)

Physics

Quantum Physics

7 pages, 1 figure. The revision of the manuscript appeared in PLA. Some procedures for detecting cheat have been added. Then t

Scientific paper

10.1016/j.physleta.2006.01.054

A protocol for multiparty quantum secret splitting is proposed with an ordered $N$ EPR pairs and Bell state measurements. It is secure and has the high intrinsic efficiency and source capacity as almost all the instances are useful and each EPR pair carries two bits of message securely. Moreover, we modify it for multiparty quantum state sharing of an arbitrary $m$-particle entangled state based on quantum teleportation with only Bell state measurements and local unitary operations which make this protocol more convenient in a practical application than others.

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