基于五粒子cluster态的受控双向量子隐形传态

J4 ›› 2016, Vol. 33 ›› Issue (2): 177-181.

基于五粒子cluster态的受控双向量子隐形传态

郑晓毅

广东水利电力职业技术学院自动化工程系，广东广州，510635

收稿日期:2015-02-15 修回日期:2015-05-15 出版日期:2016-03-28 发布日期:2016-03-28
通讯作者: 郑晓毅（1987—）助教，硕士，主要研究方向为量子信息、量子隐形传态. E-mail:kyle87@126.com

Controlled two-way quantum teleportation via five particle cluster state

ZHENG Xiaoyi

Department of Automation Engineering，Guangdong Technical College of Water Resources and Electric Engineering, Guangzhou , 510635, China

Received:2015-02-15 Revised:2015-05-15 Published:2016-03-28 Online:2016-03-28

摘要/Abstract

摘要： 提出了一个由三方共享五粒子Cluster态为量子通道进行单粒子双向隐形传送的方案。方案中通信双方Alice和Bob各拥有五粒子Cluster态中的2个粒子以及未知单粒子态的粒子A和B，控制者Cindy拥有Cluster态中1个粒子。Alice和Bob首先分别对手中的粒子A,B以及通道中的1个粒子做bell基测量。并通过经典信道将测量结果告知对方以及控制者Cindy。接着，Cindy对手中的粒子做单粒子投影测量，并通过经典信道告知Alice和Bob测量结果。Alice和Bob根据三方的测量结果分别对手中的另一个粒子做出相应的幺正操作便可得到对方所要传送的量子态，使得单粒子态的受控双向隐形传态的目的得以实现。

关键词: 量子信息;受控双向隐形传态;五粒子Cluster态;bell基测量;幺正操作

Abstract: A general scheme for two way controlled teleportation of single qubit state with five particle cluster state is proposed. In this scenario,two sides of communication, alice and bob, each own two particle of the five particle cluster state and an arbitrary single qubit A and B.the controller cindy，own one particle of the five particle cluster state.In the process of communication,at first,alice and bob preform an bell state measurements to their own part qubits respectively，and share results with each others via classical channel. then cindy preform quantum projection measurement to its own particle and announced the measured results to alice and bob with classical channel.finally ，according to the measured results presented by the others.alice and bob can make appropriate unitary transformations that its other own particle can reconstruct the opposite quantum state information,and thus the whole two way controlled teleportation was realized.

Key words: quantum information;controlled two-way quantum teleportation;five particle cluster state;bell-state measurement;unitary operations

中图分类号:

O431.2

郑晓毅. 基于五粒子cluster态的受控双向量子隐形传态[J]. J4, 2016, 33(2): 177-181.

ZHENG Xiaoyi. Controlled two-way quantum teleportation via five particle cluster state[J]. J4, 2016, 33(2): 177-181.

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