Quantum Secure Communication Scheme with W State

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WANG Jian ZHANG Quan TANG Chao-Jing

School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China

国际标准刊号：ISSN 0253-6102

国内统一刊号：CN 11-2592

关键词:

量子力学量子态量子安全通道 W态

W state can be written in different basis as 1 lW4)=~(1lO00)+l0100)+l0010)+J0001))1234 1 = 妄【(I10)+IO1))1oo)+Ioo)(1lO)+101))】‘The project supported by National Natural Science Foundation of China under Grant No．60472032 ~E-mail：jwang~nudt．edu．cn WANG Jian，ZHANG Quan，and TANG Chao-Jing Vl0I．48 = 圭[1妒+)(1 +)+l 一))+(1 +)+l 一))l妒+)】= 【l++)(2l++)+l+-)+l一+)) 一l--(21一一+l+一)+l一+)) +l+一)(1++)一l一一)) +l一+)(1++)一l一一))】，(1) where l+)=(1／x......

文章出处:

《理论物理通讯：英文版》-2007年48卷4期 -637-640页

Communications in Theoretical Physics

分类号:

O413.1

参考文献(26篇)　主题相关

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Quantum Secure Communication Scheme with W State

Abstract:

We present a quantum secure communication scheme using three-qubit W state. It is unnecessary for the present scheme to use alternative measurement or Bell basis measurement. Compared with the quantum secure direct communication scheme proposed by Cao et at. [H.J. Cao and H.S. Song, Chin. Phys. Lett. 23 （2006） 290], in our scheme, the detection probability for an eavesdropper＇s attack increases from 8.3% to 25%. We also show that our scheme is secure for a noise quantum channel.[著者文摘]

Key words:

quantum secure communication, W state

收稿日期:　2006-09-27

修订日期:　2006-12-07

基金资助:

The project supported by National Natural Science Foundation of China under Grant No. 60472032

作者简介:

E-mail： jwang@nudt.edu.cn

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Quantum Secure Communication Scheme with W State

WANG Jian ZHANG Quan TANG Chao-Jing