Quantum Bidirectional Secure Direct Communication via Entanglement Swapping
CHEN Yan, MAN Zhong-Xiao, XIA Yun-Jie
College of Physics and Engineering, Qufu Normal University, Qufu 273165
Quantum Bidirectional Secure Direct Communication via Entanglement Swapping
CHEN Yan;MAN Zhong-Xiao;XIA Yun-Jie
College of Physics and Engineering, Qufu Normal University, Qufu 273165
关键词 ：
03.67.Hk ,
03.65.Ud
Abstract ： In light of a quantum secure direct communication (QSDC) scheme using entanglement swapping [Chin. Phys. Lett. 22(2005)18], by introducing additional local operations for encoding, we propose a bidirectional QSDC (BQSDC) protocol, in which two legitimate users can simultaneously exchange their respective messages. The rule for the users to retrieve his/her partner’s messages is derived explicitly in the most general case. Eve’s commonly used attack method has been discussed and can be detected with the security checking process.
Key words ：
03.67.Hk
03.65.Ud
出版日期: 2007-01-01
:
03.67.Hk
(Quantum communication)
03.65.Ud
(Entanglement and quantum nonlocality)
引用本文:
CHEN Yan;MAN Zhong-Xiao;XIA Yun-Jie. Quantum Bidirectional Secure Direct Communication via Entanglement Swapping[J]. 中国物理快报, 2007, 24(1): 19-22.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2007/V24/I1/19
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