Quantum Secure Direct Communication Achieved by Using Multi-Entanglement

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• 作者：Wenlin Li (1)
  Junbo Chen (1)
  Xiaolong Wang (1)
  Chong Li (1)
  
  1. School of Physics and Optoelectronic Engineering ; Dalian University of Technology ; Dalian ; 116024 ; China
  
• 关键词：QSDC ; Multi ; body entangled system ; Information coding ; Mathematical description
• 刊名：International Journal of Theoretical Physics
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：54
• 期：1
• 页码：100-105
• 全文大小：139 KB
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  13. Yu, C.H., Guo, G.D., Lin, S.: Quantum secure direct communication with authentication using two nonorthogonal states. Int. J. Theor. Phys. 52(6), 1937鈥?945 (2013) CrossRef
  14. Barreiro, J.T., Wei, T.C., Kwiat, P.G.: Beating the channel capacity limit for linear photonic superdense coding. Nat. Phys. 4(4), 282鈥?86 (2008) CrossRef
  15. Gao, W.B., Lu, C.Y., Yao, X.C., Xu, P., G眉hne, O., Goebel, A., Chen, Y.A., Peng, C.Z., Chen, Z.B., Pan, J.W.: Experimental demonstration of a hyper-entangled ten-qubit Schr枚inger cat state. Nat. Phys. 6(5), 331鈥?35 (2010) CrossRef
  16. Li, C., Song, H.S., Luo, Y.X.: Criterion for general quantum teleportation. Phys. Lett. A 29(3鈥?), 121鈥?25 (2002) CrossRef
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• 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

Aquantum secure direct communication (QSDC) scheme is proposed based on multi-body entangled system in this paper. The mathematical description of the QSDC scheme is given firstly and the process of direct communication is investigated. The communication scheme based on multi-body entangled system and the general method of information coding are further completed. Finally, a communication scheme using four-body systems is introduced as example.