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基于三粒子GHZ态的双向量子可控隐形传态
Bidirectional quantum controlled teleportation based on three-particles GHZ entangled state
摘要点击 69  全文点击 13  投稿时间:2017-08-26  修订日期:2017-10-16
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DOI编号  
中文关键词   量子通信  双向量子可控隐形传态  GHZ纠缠态  Bell基测量
英文关键词   quantum communication  bidirectional quantum controlled teleportation  GHZ entangled state  Bell-state measurement  
基金项目   
作者单位E-mail
王贵祥 天津工业大学 wangguixiang10@163.com 
刘晓东 天津工业大学  
胡占宁 天津工业大学  
中文摘要
    提出基于三粒子GHZ态的双向量子可控隐形传态方案。方案中,使用两个三粒子GHZ态作为量子通道。而根据在量子通道中发送者,接收者和控制者所拥有的粒子的不同以及所采用的测量基的不同,设计出了三方参与的双向可控量子隐形传态方案和四方参与的双向可控量子隐形传态方案。在方案中,Alice和Bob对所拥有的粒子做合适的投影测量,并将其测量结果通知对方和控制者。若控制者同意此次传态,则会对自己所拥有的粒子做投影测量,并将结果告知接收者。接收者根据发送者和控制者的测量信息,做出相对应的幺正操作来重建发送者的量子态。同时三方参与和四方参与的量子可控隐形传态方案提高了通信的安全性。
英文摘要
    A scheme which use two three-particles GHZ state as the quantum channel was proposed. According to the different of the particles shared by sender, receiver and controller and the basic measurement, the scheme of third party and fourth party bidirectional quantum controlled teleportation scheme were designed. In these schemes, Alice and Bob make a appreciate projection measurement on their own particles, and then transmit the results of measurement to the receiver and controller. If the controller agrees with this communication, he will make a projection measurement on his own particles and then transmit the results to the receiver. The receiver can make a corresponding unity operation to restore the initial states. Meanwhile, the schemes of third party and fourth party bidirectional quantum controlled teleportation can improve the security of communication.

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