Single Qubit Quantum Secret Sharing

Details Single Qubit Quantum Secret Sharing Single Qubit Quantum Secret Sharing

2005-02-17

arxiv.org/abs/quant-ph/0502107v1

Phys. Rev. Lett. 95, 230505 (2005)

Physics

Quantum Physics

5 pages, 2 figures, submitted December 29, 2004

Scientific paper

10.1103/PhysRevLett.95.230505

We present a simple and practical protocol for the solution of a secure multiparty communication task, the secret sharing, and its experimental realization. In this protocol, a secret message is split among several parties in a way that its reconstruction require the collaboration of the participating parties. In the proposed scheme the parties solve the problem by a sequential communication of a single qubit. Moreover we show that our scheme is equivalent to the use of a multiparty entangled GHZ state but easier to realize and better scalable in practical applications.

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