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对几种类型的量子非局域逻辑门进行了讨论,并且研究了信道为非最大纠缠态的情况,此时量子非局域控制-非门只能概率性实现.

参考文献

[1] Bennett C H et al. Teleportation an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels [J]. Phys. Rev. Lett., 1993, 70: 1895-1899.
[2] Bennett C H et al. Communication via one-and two-particle operators on Einstein-Podolsky-Rosen states [J].Phys. Rev. Lett., 1992, 69: 2881-2884.
[3] Ekert A. Quantum cryptography based on Bell's theorem [J]. Phys. Rev. Lett., 1991, 67: 661-663.
[4] Grover L K. Quantum computers can search arbitrarily large databases by a single query [J]. Phys. Rev. Lett.,1997, 79: 4709-4712.
[5] Eisert J, et al. Optimal local implementation of nonlocal quantum gates [J]. Phys. Rev. A., 2000, 62: 052317.
[6] Collins D, et al. Nonlocal content of quantum operations [J]. Phys. Rev. A., 2001, 64: 032302.
[7] Zheng Y Z et al. Implementation of nonlocal quantum swap operation on two entangled pairs [J]. Chinese Physics,2002, 11: 126-129.
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