Controlled Secure Direct Communication with Six-Qubit Entangled States

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• 作者：Yuan-hua Li ; Xiao-lan Li ; Li-ping Nie…
• 关键词：Controlled quantum secure direct communication ; Six ; qubit entangled state
• 刊名：International Journal of Theoretical Physics
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：55
• 期：2
• 页码：837-842
• 全文大小：134 KB
• 参考文献：1.Ekert, AK: Phys. Rev. Lett. 67, 661 (1991)ADS MathSciNet CrossRef
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• 作者单位：Yuan-hua Li (1) (2)
  Xiao-lan Li (1)
  Li-ping Nie (1) (3)
  Ming-huang Sang (1)
  
  1. Department of Physics, Jiangxi Normal University, Nanchang, 330022, China
  2. Key Laboratory of Optoelectronic and Telecommunication of Jiangxi province, Nanchang, 330022, China
  3. Audit Office of Jiangxi Normal University, Nanchang, Republic of China
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Physics
  Quantum Physics
  Elementary Particles and Quantum Field Theory
  Mathematical and Computational Physics
  
• 出版者：Springer Netherlands
• ISSN：1572-9575

文摘

We propose an experimentally feasible scheme for implementing controlled quantum secure direct communication by using six-qubit entangled states. According to the results measured by the sender and the controller, the receiver can obtain different secret messages in a deterministic way with unit successful probability. In our scheme, the information-carrying qubits do not need to be transmitted over the public channel. Therefore, the scheme is determinate and secure.