AN EFFICIENT DETERMINISTIC SECURE QUANTUM COMMUNICATION SCHEME WITH CLUSTER STATE

被引：13
|
作者：
Yuan, Hao [1 ]
Song, Jun [1 ]
Hu, Xiaoyuan [2 ]
Hou, Kui [2 ]
机构：
[1] W Anhui Univ, Dept Math & Phys, Luan 237012, Peoples R China
[2] Anhui Univ, Sch Phys & Mat Sci, Hefei 230039, Peoples R China
来源：
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2009年 / 7卷 / 03期
关键词：
Deterministic secure quantum communication; cluster state; efficient; LOCAL UNITARY OPERATIONS; PURE ENTANGLED STATES; COMPARING BELL STATES; KEY DISTRIBUTION; DECOY PHOTONS; NETWORK; PROTOCOL; TELEPORTATION; CRYPTOGRAPHY; PARTICLES;
D O I：
10.1142/S0219749909004530
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A novel efficient scheme for deterministic secure quantum communication with cluster state is proposed. By utilizing Bell-basis-and Z-basis-measurements, the two legitimate users can directly transmit secret message after exchanging some additional classical information. It has a high capacity as each cluster state can carry two bits of information, and has a high intrinsic efficiency because almost all the instances are useful. Since the present scheme is based on the cluster state which is robust against decoherence, it is easily processed by a one-way quantum computer. Furthermore, this scheme is feasible with present-day technique.
引用
收藏
页码：689 / 696
页数：8
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