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概率隐形传态中客户透明特性的分析

DOI: 10.13190/jbupt.200702.42.111, PP. 42-45

Keywords: 隐形传态,量子通信,量子测量

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Abstract:

给出了基于客户/服务模式概率隐形传态的一个双边协议,它达到成功隐形传态的最大概率。证明了Schmidt分解为的部分纠缠共享量子信道对客户端是透明的;对于一般化部分纠缠量子信道,客户必需知道一个局域幺正算子,将量子信道变换为客户端透明的量子信道,才能执行概率隐形传态。

References

[1]  Bennett C H, Brassard G, Crepeau C, et al. Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels . Phys Rev Lett, 1993, 70(13): 1895-1899.
[2]  Peres A. Quantum theory: concepts and methods[M]. Dordrecht: Kluwer Academic, 1993: 131-138.
[3]  Li W L, Li C F, Guo G C. Probabilistic teleportation and entanglement matching [J]. Phys Rev A, 2000, 61(3): 034301.
[4]  Son W, Lee J, Kim M S, et al. Conclusive teleportation of a d-dimensional unknown state [J]. Phys Rev A, 2001, 64(6): 064304.
[5]  Hsu L Y. Optimal information extraction in probabilistic teleportation [J]. Phys Rev A, 2002, 66(1): 012308.
[6]  Fang Jianxing, Lin Yinsheng, Zhu Shiqun, et al. Probabilistic teleportation of a three-particle state via three pairs of entangled particles [J]. Phys Rev A, 2003, 67(1): 014305.
[7]  Bennett C H, Bernstein H J, Popescu S, et al. Concentrating partial entanglement by local operations [J]. Phys Rev A, 1996, 53(4): 2046-2052.
[8]  Bennett C H, Brassard G, Popescu S, et al. Purification of noisy entanglement and faithful teleportation via noisychannels [J]. Phys Rev Lett, 1996, 76(5): 722-725.
[9]  Vogel K, Risken H. Determination of quasiprobability distributions in terms of probability distributions for the rotated quadrature phase [J]. Phys Rev A, 1989, 40(5): 2847-2849.
[10]  Gisin N. Hidden quantum nonlocality revealed by local filters[J]. Phys Lett A, 1996, 210(3): 151-156.
[11]  Horodecki M, Horodecki P, Horodecki R. Inseparable two spin-1/2 density matrices can be distilled to a singlet form [J]. Phys Rev Lett, 1997, 78(4): 574-577.
[12]  秦素娟, 温巧燕, 朱甫臣. 利用Bell态纠缠交换的环式量子秘密共享协议[J]. 北京邮电大学学报, 2006, 29(2): 34-37. Qin Sujuan, Wen Qiaoyan, Zhu Fuchen. A ring quantum secret sharing protocol based on entanglement swapping of Bell states[J]. Journal of Beijing University of Posts and Telecommunications, 2006, 29(2): 34-37.

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