Chin. Phys. Lett.  2006, Vol. 23 Issue (8): 1980-1983    DOI:
Original Articles |
Teleportation for an Ionic Entangled Internal State by Entanglement Swapping
ZHENG Xiao-Juan1,2;FANG Mao-Fa1;LIAO Xiang-Ping1;CAI Jian-Wu1
1College of Physics and Information Science, Hunan Normal University, Changsha 410081 2School of Physics Science and Technology, Central South University, Changsha 410083
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ZHENG Xiao-Juan, FANG Mao-Fa, LIAO Xiang-Ping et al  2006 Chin. Phys. Lett. 23 1980-1983
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Abstract We present an effective scheme to teleport an unknown ionic entangled internal state via trapped ions ithout 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.
Keywords: 03.67.Hk      03.67.Mn      03.65.Ud     
Published: 01 August 2006
PACS:  03.67.Hk (Quantum communication)  
  03.67.Mn (Entanglement measures, witnesses, and other characterizations)  
  03.65.Ud (Entanglement and quantum nonlocality)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I8/01980
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ZHENG Xiao-Juan
FANG Mao-Fa
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CAI Jian-Wu
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Supported by the Fundamental Research Funds for the Central Universities (Grant No. 2019XD-A02), and the State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (Grant No. IPO2019ZT06).

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