Teleportation for an Ionic Entangled Internal State by Entanglement Swapping

ZHENG Xiao-Juan; FANG Mao-Fa; LIAO Xiang-Ping; CAI Jian-Wu

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Teleportation for an Ionic Entangled Internal State by Entanglement Swapping

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@@ 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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《中国物理快报：英文版》 |2006年第8期|1980-1983|共4页
作者
ZHENG Xiao-Juan; FANG Mao-Fa; LIAO Xiang-Ping; CAI Jian-Wu;
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College of Physics and Information Science, Hunan Normal University, Changsha 410081;

School of Physics Science and Technology, Central South University, Changsha 410083;

College of Physics and Information Science, Hunan Normal University, Changsha 410081;

College of Physics and Information Science, Hunan Normal University, Changsha 410081;

College of Physics and Information Science, Hunan Normal University, Changsha 410081;

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正文语种 chi
中图分类物理学;
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Teleportation for an Ionic Entangled Internal State by Entanglement Swapping

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