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二粒子部分纠缠未知态的量子受控传递
引用本文:熊学仕,付洁,沈柯.二粒子部分纠缠未知态的量子受控传递[J].光子学报,2006,35(5):780-782.
作者姓名:熊学仕  付洁  沈柯
作者单位:1. 长春理工大学物理系,长春,130022;中国工程物理研究院流体物理研究所,绵阳,621900
2. 长春理工大学物理系,长春,130022
摘    要:提出了二粒子部分纠缠态的量子隐形传递控制方案.在该方案中,以四个二能级粒子GHZ态作为量子通道,把量子通道中的一个粒子作为控制粒子.在传递者和控制者进行一系列的量子操作和测量之后,根据他们的测量结果,接收者再进行适当的变换就能得到待传递粒子的量子态.

关 键 词:量子信息  量子态受控传递  二粒子部分纠缠态  贝尔基联合测量  H操作
收稿时间:2005-03-14
修稿时间:2005年3月14日

Controlled Teleportation of an Unknown Two-particle Partly Entangled State
Xiong Xueshi,Fu Jie,Shen Ke.Controlled Teleportation of an Unknown Two-particle Partly Entangled State[J].Acta Photonica Sinica,2006,35(5):780-782.
Authors:Xiong Xueshi  Fu Jie  Shen Ke
Abstract:A scheme is presented to realize the controlled teleportation of an unknown two-particle partly entangled state using a four-particle GHZ state as the quantum channel,and one of the particles in the channel is used as the controlling particle. After a series of quantum operations and quantum measurements performed by sender and controller,the receiver will get the quantum state which the sender seek to send by doing a series of quantum transformations which according to the sender and controller's measurement results.
Keywords:Quantum information  Controlled teleportation  Two-particle partly entangled state  Bell's joint measurement  H transformation
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