Acta Photonica Sinica, Volume. 39, Issue 11, 2078(2010)

Controlled Teleportation of an Arbitrary Twoparticle State by Using a Fourqubit Cluster State and Entanglement Swapping

LIU Junchang1, LI Yuanhua2, and NIE Yiyou1,2、*
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  • 1[in Chinese]
  • 2[in Chinese]
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    A new scheme for controlled teleportation of an arbitrary twoparticle state is proposed in detail, using a fourparticle cluster state as quantum channel and EPR state to achieve control. First of all, the sender applies to the controller, and then the controller performs the Bellbased measurement on the two particles of his own. And the controller notifies the sender to achieve entanglement swapping. Then, the sender makes the appropriate unitary transformation and performs a Newman measurements on the four particles of his own. And the results inform the receiver. According to the sender′s measurement results, the receiver can reconstruct the arbitrary twoparticle state after he makes the appropriate unitary transformation on his own particles. The success probability of the program is 100%.

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    LIU Junchang, LI Yuanhua, NIE Yiyou. Controlled Teleportation of an Arbitrary Twoparticle State by Using a Fourqubit Cluster State and Entanglement Swapping[J]. Acta Photonica Sinica, 2010, 39(11): 2078

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    Paper Information

    Received: Mar. 29, 2010

    Accepted: --

    Published Online: Dec. 7, 2010

    The Author Email: Yiyou NIE (nieyiyou@163.com)

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