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Scheme for teleportation of an unknown atomic state via a cluster state in cavity QED
作者姓名:曹卓良  李大创
作者单位:The School of Science, Hangzhou Dianzi University, Hangzhou 310018, China\;Key Laboratory of Opto-electronic Information Acquisition and Manipulation, Ministry of Education,\School of Physics {\& Material Science, Anhui University, Hefei 230039, China;Key Laboratory of Opto-electronic Information Acquisition and Manipulation, Ministry of Education,\School of Physics {\& Material Science, Anhui University, Hefei 230039, China
基金项目:Project supported by the National Natural Science Foundation of China (Grant No 60678022), the Doctoral Fund of Ministry of Education of China (Grant No 20060357008), the Key Program of the Education Department of Anhui Province, China (Grant No 2006KJ070
摘    要:This paper proposes an experimentally feasible scheme for teleportation of an unknown two-atom entangled state, where a cluster state is used as the quantum channel. This scheme does not need any joint measurement. In addition, the successful probability and fidelity of teleportation can both reach 1.0. The current scheme can be realized within the current experimental technology.

关 键 词:量子转换  联合测评  量子控制相栅  空泡QED
收稿时间:2007-03-16
修稿时间:2007-04-15

Scheme for teleportation of an unknown atomic state via a cluster state in cavity QED
Cao Zhuo-Liang and Li Da-Chuang.Scheme for teleportation of an unknown atomic state via a cluster state in cavity QED[J].Chinese Physics B,2008,17(1):55-59.
Authors:Cao Zhuo-Liang and Li Da-Chuang
Institution:Key Laboratory of Opto-electronic Information Acquisition and Manipulation, Ministry of Education,\School of Physics {\& Material Science, Anhui University, Hefei 230039, China; The School of Science, Hangzhou Dianzi University, Hangzhou 310018, China\;Key Laboratory of Opto-electronic Information Acquisition and Manipulation, Ministry of Education,\School of Physics {\& Material Science, Anhui University, Hefei 230039, China
Abstract:This paper proposes an experimentally feasible scheme for teleportation of an unknown two-atom entangled state, where a cluster state is used as the quantum channel. This scheme does not need any joint measurement. In addition, the successful probability and fidelity of teleportation can both reach 1.0. The current scheme can be realized within the current experimental technology.
Keywords:quantum teleportation  joint measurement  quantum controlled phase gate  cavity QED
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