Quantum Secure Direct Communication with Two-Photon Four-Qubit Cluster States

被引：94
|
作者：
Sun, Zhi-Wei [1 ]
Du, Rui-Gang [1 ]
Long, Dong-Yang [1 ]
机构：
[1] Sun Yat Sen Univ, Dept Comp Sci, Guangzhou 510006, Guangdong, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2012年 / 51卷 / 06期
关键词：
Quantum secure direct communication; Two-photon four-qubit cluster states; Quantum cryptography; SCHEME; ENTANGLEMENT; ORDER;
D O I：
10.1007/s10773-011-1072-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In a quantum secure direct communication protocol, two remote parties can transmit the secret message directly without first generating a key to encrypt them. A quantum secure direct communication protocol using two-photon four-qubit cluster states is presented. The presented scheme can achieve a higher efficiency in transmission and source capacity compared with the proposed quantum secure direct communication protocols with cluster states, and the security of the protocol is also discussed.
引用
收藏
页码：1946 / 1952
页数：7
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