| Quantum Bidirectional Secure Direct Communication via Entanglement Swapping |
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| 引用本文： | 陈艳 满忠晓 夏云杰. Quantum Bidirectional Secure Direct Communication via Entanglement Swapping[J]. 中国物理快报, 2007, 24(1): 19-22 |
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| 作者姓名： | 陈艳 满忠晓 夏云杰 |
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| 作者单位： | College of Physics and Engineering, Qufu Normal University, Qufu 273165 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10534030. |
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| 摘 要： | ![]()
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.
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| 关 键 词： | 双向保护 缠结 交换对象 物理学 |
| 修稿时间： | 2006-09-06 |
Quantum Bidirectional Secure Direct Communication via Entanglement Swapping |
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| CHEN Yan,MAN Zhong-Xiao,XIA Yun-Jie. Quantum Bidirectional Secure Direct Communication via Entanglement Swapping[J]. Chinese Physics Letters, 2007, 24(1): 19-22 |
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| Authors: | CHEN Yan MAN Zhong-Xiao XIA Yun-Jie |
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| Affiliation: | College of Physics and Engineering, Qufu Normal University, Qufu 273165 |
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| Abstract: | ![]()
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| Keywords: | 03.67.Hk 03.65.Ud |
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