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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
  • 期刊名称：大连工业大学学报
  • 时间：0
  • 页码：232-240
  • 语言：中文
  • 分类：TN911.2[电子电信—通信与信息系统;电子电信—信息与通信工程] O431.2[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[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
  • 相关基金：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）.
  • 相关项目：基于腔-QED的量子信息处理
作者： 王雅红|王东|朱军南|宋鹤山|
关键词： BELL态, 量子通讯, 腔QED, 量子比特, Bell state, quantum communication, cavity QED, qubit
中文摘要：

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。

英文摘要：

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

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