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Scheme For Remotely Preparing Three-Particle Ghz-Class States

Author

Listed:
  • GUI-XIA PAN

    (School of Science, Anhui University of Science and Technology, Huainan 232001, China)

  • YI-MIN LIU

    (Department of Physics, Shaoguan University, Shaoguan 512005, China)

  • WEN ZHANG

    (School of Physics and Material Science, Anhui University, Hefei 230039, China)

  • ZHAN-JUN ZHANG

    (School of Physics and Material Science, Anhui University, Hefei 230039, China)

Abstract

A scheme is proposed for remotely preparing a class of three-particle GHZ states by using a Bell state and a three-qubit GHZ state as the quantum channel. In the scheme, a two-qubit collective state measurement is performed and the necessary classical communication cost is 0.25 cbit on average. In general, the target state can be successfully prepared with the probability 1/4. However, if the state belongs to some special classes, the preparation success probability can reach 0.5 or even 1 after consuming a little additional classical resource. Comparing with the recent scheme [Opt. Commun.281, 871 (2008)], the present scheme has some advantages, e.g., the simpler quantum joint measurement and the less classical resource consumption.

Suggested Citation

  • Gui-Xia Pan & Yi-Min Liu & Wen Zhang & Zhan-Jun Zhang, 2009. "Scheme For Remotely Preparing Three-Particle Ghz-Class States," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 20(04), pages 557-564.
    • Handle: RePEc:wsi:ijmpcx:v:20:y:2009:i:04:n:s0129183109013790
    DOI: 10.1142/S0129183109013790
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