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无需直接Bell态测量的n-量子比特未知量子信息远程传输
引用本文:王雅红,朱军南,宋鹤山,王东.无需直接Bell态测量的n-量子比特未知量子信息远程传输[J].大连轻工业学院学报,2008,27(2):158-161.
作者姓名:王雅红  朱军南  宋鹤山  王东
作者单位:[1]大连工业大学信息科学与工程学院,辽宁大连116034 [2]大连理工大学物理与光电工程学院,辽宁大连116024
基金项目:国家自然科学基金资助项目(60472017;10575017); 辽宁省教育厅科学研究资助项目(2006B014)
摘    要:量子信息传输过程需要实验上难以实现的直接Bell态测量,基于腔QED理论,让二能级原子与一个受强经典场驱动的大失谐腔场相互作用,可用单原子投影测量替代直接Bell态测量,以实现n-量子比特量子信息传输。引入十进制数来表示量子比特的量子态,给出了信息发送者的测量结果与信息接收者的幺正操作之间简单明了的一一对应关系,使复杂的多体问题简单化。

关 键 词:Bell态  量子通讯  腔QED  量子比特

Remote transmission of n-qubit quantum information without direct Bell-State-Measurement-free
WANG Ya-hong,ZHU Jun-nan,SONG He-shan,WANG Dong.School of Information Science & Engineering,Dalian Polytechnic University,Dalian ,China,.School of Physics , Optoelectronic Technology,Dalian University of Technology,Dalian.Remote transmission of n-qubit quantum information without direct Bell-State-Measurement-free[J].Journal of Dalian Institute of Light Industry,2008,27(2):158-161.
Authors:WANG Ya-hong    ZHU Jun-nan  SONG He-shan  WANG DongSchool of Information Science & Engineering  Dalian Polytechnic University  Dalian  China  School of Physics  Optoelectronic Technology  Dalian University of Technology  Dalian
Affiliation:WANG Ya-hong1,2,ZHU Jun-nan1,SONG He-shan2,WANG Dong11.School of Information Science & Engineering,Dalian Polytechnic University,Dalian 116034,China,2.School of Physics , Optoelectronic Technology,Dalian University of Technology,Dalian 116024
Abstract:A theoretical scheme was proposed for remotely transmitting n-qubit quantum information with direct Bell-State-Measurement(BSM)-free.In the quantum communication process,with the help of cavity Quantum Electro-Dynamic(QED) the Von Neumann measurement on single atom could take place of the direct BSM,which is still a bottle-neck problem for quantum information.Besides,the binary quantum state was rewritten in decimal form and a simple expression was given for complicated multipartite problem.
Keywords:Bell state  quantum communication  cavity QED  qubit  
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