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Deng, FG; Long, GL; Liu, XS; Deng, FG , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Two-step quantum direct communication protocol using the Einstein-Podolsky-Rosen pair block
Source PublicationPHYSICAL REVIEW A
KeywordError-correcting Codes Key Distribution Bell Theorem Cryptography States Information Particle Storage Photons Scheme
AbstractA protocol for quantum secure direct communication using blocks of Einstein-Podolsky-Rosen (EPR) pairs is proposed. A set of ordered N EPR pairs is used as a data block for sending secret message directly. The ordered N EPR set is divided into two particle sequences, a checking sequence and a message-coding sequence. After transmitting the checking sequence, the two parties of communication check eavesdropping by measuring a fraction of particles randomly chosen, with random choice of two sets of measuring bases. After insuring the security of the quantum channel, the sender Alice encodes the secret message directly on the message-coding sequence and sends them to Bob. By combining the checking and message-coding sequences together, Bob is able to read out the encoded messages directly. The scheme is secure because an eavesdropper cannot get both sequences simultaneously. We also discuss issues in a noisy channel.
2003
ISSN1050-2947
Volume68Issue:4Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:1031[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13215
Collection理论物理所科研产出_SCI论文
Corresponding AuthorDeng, FG , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Deng, FG,Long, GL,Liu, XS,et al. Two-step quantum direct communication protocol using the Einstein-Podolsky-Rosen pair block[J]. PHYSICAL REVIEW A,2003,68(4):-.
APA Deng, FG,Long, GL,Liu, XS,&Deng, FG , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China..(2003).Two-step quantum direct communication protocol using the Einstein-Podolsky-Rosen pair block.PHYSICAL REVIEW A,68(4),-.
MLA Deng, FG,et al."Two-step quantum direct communication protocol using the Einstein-Podolsky-Rosen pair block".PHYSICAL REVIEW A 68.4(2003):-.
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