QUANTUM DIRECT COMMUNICATION BASED ON QUANTUM SEARCH ALGORITHM

被引：38

作者：

Wang, Chuan ^{[1
,2
,3
,4
]}

Hao, Liang ^{[1
,2
,5
]}

Song, Si Yu ^{[1
,2
,5
]}

Long, Gui Lu ^{[1
,2
,5
]}

机构：

[1] Tsinghua Univ, Key Lab Atom & Mol Nanosci, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

[3] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China

[4] Beijing Univ Posts & Telecommun, Key Lab Opt Commun & Lightwave Technol, Beijing 100876, Peoples R China

[5] Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China

来源：

INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2010年 / 8卷 / 03期

关键词：

Deterministic secure quantum communication; quantum direct communication; quantum search algorithm; quantum secure direct communication; SECURE DIRECT COMMUNICATION; KEY DISTRIBUTION; ENTANGLED STATES; BELL THEOREM; CRYPTOGRAPHY; NETWORK; PROTOCOL; SCHEME; ORDER;

D O I：

10.1142/S0219749910006071

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Quantum direct communications, including deterministic secure quantum communication and quantum secure direct communication protocol using two-qubit quantum search algorithm are proposed in this paper. Secret messages are encoded by two-qubit unitary operations and exchanged by the two communication parties directly. We discussed the security of the protocol under intercept-resend attack and individual attack. We found that the protocols are secure against eavesdropping attacks.

引用

页码：443 / 450

页数：8

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