期刊
OPTICS COMMUNICATIONS
卷 261, 期 1, 页码 199-202出版社
ELSEVIER
DOI: 10.1016/j.optcom.2005.11.060
关键词
multiparty secret sharing; quantum information; entanglement swapping; cavity QED
类别
The scheme on multiparty secret sharing of an atomic quantum state information via entanglement swapping in cavity QED [Y.Q. Zhang, X.R. Jin, S. Zhang, Phys. Lett. A 341 (2005) 380] is revisited and accordingly an improved version is proposed. The possible decoherence effect in the original version can be avoided after revision of assuming the prior distribution of entanglement. Moreover, the success probability of teleportation has been raised from 6.25% in the original version to 100% in the present version. (C) 2005 Elsevier B.V. All rights reserved.
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