| Teleportation for an Ionic Entangled Internal State by Entanglement Swapping |
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| 作者姓名： | 郑小娟 方卯发 廖湘萍 蔡建武 |
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| 作者单位： | [1]College of Physics and Information Science, Hunan Normal University, Changsha 410081 [2]School of Physics Science and Technology, Central South University, Changsha 410083 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10374025. |
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| 摘 要： |
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| 关 键 词： | 内纠缠态 纠缠兑换 未知离子 量子信道 |
| 收稿时间： | 2006-03-06 |
| 修稿时间： | 2006-03-06 |
Teleportation for an Ionic Entangled Internal State by Entanglement Swapping |
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| ZHENG Xiao-Juan,FANG Mao-Fa,LIAO Xiang-Ping,CAI Jian-Wu.Teleportation for an Ionic Entangled Internal State by Entanglement Swapping[J].Chinese Physics Letters,2006,23(8):1980-1983. |
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| Authors: | ZHENG Xiao-Juan FANG Mao-Fa LIAO Xiang-Ping CAI Jian-Wu |
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| Affiliation: | 1 College of Physics and Information Science, Hunan Normal University, Changsha 410081; 2.School of Physics Science and Technology, Central South University, Changsha 410083 |
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| Abstract: | We present an effective scheme to teleport an unknown ionic entangled internal state via trapped ions without joint Bell-state measurement. In the constructed quantum channel process, we adopt entanglement swapping to avoid decrease of entanglement during the distribution of particles. Thus our scheme provides new prospects for quantum teleportation over longer distance. The distinct advantages of our scheme are that our scheme is insensitive to heating of vibrational mode and can be generalized to teleport an N-ion electronic entangled GHZ class state. Furthermore, in our scheme the success probability can reach 1. |
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| Keywords: | 03 67 Hk 03 67 Mn 03 65 Ud |
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