隐形传送任意三粒子纠缠态的一种方法  

A Novel Method to Teleportation of an Arbitrary Three-particle State

作　　者：林秀[1] 李洪才[1] 林秀敏[1] 黄志平[1] 杨榕灿[1] 

机构地区：[1]福建师范大学物理与光电信息科技学院,福建福州350007

出　　处：《福建师范大学学报（自然科学版）》2006年第3期35-41,共7页Journal of Fujian Normal University：Natural Science Edition

基　　金：国家自然科学基金资助项目(10574022);福建省自然科学基金资助项目(Z0512006)

摘　　要：提出利用一个三粒子纠缠GHZ态和两个二粒子纠缠态作为量子信道,实现任意的三粒子纠缠态从发送者传送给两个接收者中任意一个的量子隐形传态的方案.首先考察量子信道是最大纠缠态的情形,然后进一步考察量子信道是非最大纠缠态的情形.在量子信道为非最大纠缠态时,通过引进一个辅助粒子,并构造一个幺正变换矩阵,可以8 bdf 2概率成功地隐形传送任意的三粒子纠缠态.A scheme for teleporting an arbitrary and unknown three-particle state from a sender to either one of two receivers through a three-particle entangled GHZ state and two two-particle entangled states as quantum channel is proposed. Firstly, the maximally entangled states are taken as quantum channels, then, the case of non-maximally entangled channels is considered. When the channels are non-maximally entangled states, by introducing an ancillary qubit and constructing an unitary transformation properly, teleportation of an arbitrary three-particle state can be implemented with the probability of 8｜bdf｜^2.

关 键 词：隐形传态 任意的三粒子纠缠态 幺正变换 

分 类 号：O431.2[机械工程—光学工程]