利用一个两粒子纠缠态实现三粒子GHZ纠缠态的隐形传态

J4 ›› 2012, Vol. 29 ›› Issue (6): 695-700.

利用一个两粒子纠缠态实现三粒子GHZ纠缠态的隐形传态

黄红梅

武警工程大学通信工程系，陕西西安 710086

收稿日期:2011-11-22 修回日期:2012-03-05 出版日期:2012-11-28 发布日期:2014-03-20
通讯作者: 黄红梅(1979-)，女，博士生，从事量子通信，量子理论方面的研究。 E-mail:hhm@mail.xidian.edu.cn
基金资助:
武警工程学院基础研究基金项目（WJY201116，WJY201120）资助课题

Teleportation of a N-particle entangled GHZ sate via two-particle entangled quantum channel

HUANG Hongmei

Department of Communication Engineering， University of Armed Police Force Engineering, Xi’an 710086, China

Received:2011-11-22 Revised:2012-03-05 Published:2012-11-28 Online:2014-03-20

摘要/Abstract

摘要：

提出利用一个两粒子纠缠态传送N粒子GHZ纠缠态的方案，首先考察三粒子GHZ纠缠态在量子信道是最大纠缠态时情形，然后进一步考察量子信道是非最大纠缠态的情形，发现通过对某些粒子执行H操作和von Neumann测量，并引进两个辅助比特，在非最大纠缠态时还需构造一个幺正变换矩阵，可实现三粒子GHZ纠缠态的隐形传态，最后推广至N粒子，该方案相比其它方案最大的优点是节约了量子信道纠缠资源。

关键词: 隐形传态, 三粒子纠缠态, GHZ纠缠态, 非最大纠缠量子信道

Abstract:

A scheme of teleportation of a N-particle entangled GHZ state through a two-paticle entangled quantum channels was proposed. Firstly, the maximally entangled states was taken as quantum channels, then, the case of nonmaximally entangled channels was considered. It was found that by implementing H transformation and von Neumann measurement, introducing an ancilly qubit, when the channels are nonmaxially entangled states, constructing an unitary transformation properly, teleportation of three-paticle entangled GHZ state cound be implemented with certain probability, finally, the N-particle entangled GHZ state was discussed. Compare with other schemes,this scheme saves the quantum entanglement channel resources.

Key words: teleportation, three-paticle entangled state, entangled GHZ state, nonmaximally entangled quantum channels

中图分类号:

O341.2

黄红梅. 利用一个两粒子纠缠态实现三粒子GHZ纠缠态的隐形传态[J]. J4, 2012, 29(6): 695-700.

HUANG Hongmei. Teleportation of a N-particle entangled GHZ sate via two-particle entangled quantum channel[J]. J4, 2012, 29(6): 695-700.

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