Secure four-site distribution and quantum communication of X-type entangled states

被引：23

作者：

Xiu, Xiao-Ming ^{[1
]}

Dong, Li ^{[1
]}

Gao, Ya-Jun ^{[1
]}

机构：

[1] Bohai Univ, Dept Phys, Jinzhou 121013, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2011年 / 284卷 / 07期

关键词：

Quantum communication; Quantum key distribution; Deterministic secure quantum communication; chi-type entangled state; KEY DISTRIBUTION NETWORK; BELL THEOREM; CRYPTOGRAPHY; CHANNELS; PHOTONS; ELECTRODYNAMICS; PAIRS;

D O I：

10.1016/j.optcom.2010.11.084

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The research of multi-particle entanglement is a hot topic because of its important applications and far-reaching effects on vast aspects of quantum information. The article is devoted to the chi- type entangled state, a peculiar four-particle entangled state, which is different from a four-particle GHZ or W state under stochastic local operations and classical communication (SLOCC). Secure four-site distribution using decoy particles is proposed. Moreover, applying it, several communication protocols are presented, including four-party hierarchical quantum secret sharing, supervisory three-party asymmetric deterministic secure quantum communication, etc. The security of the four-site distribution and the communication protocols are also analyzed. (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：2065 / 2069

页数：5

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