An efficient quantum key distribution protocol with orthogonal product states |
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| Authors: | Yang Yu-Guang and Wen Qiao-Yan |
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| Affiliation: | College of Computer Science and Technology, Beijing University of Technology, Beijing 100022, China; State Key Laboratory of Information Security (Graduate School of Chinese Academy of Sciences), Beijing 100022, China; School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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| Abstract: | An efficient quantum key distribution (QKD) protocol with orthogonalproduct states in the 3 otimes 3 Hilbert space is presented. Thesender, Alice, disorders the orthogonal product state sequence andsends it to Bob. After Alice has published the matching informationof the particle sequence, Bob recovers the correct correspondencesand makes an orthogonal measurement on the orthogonal product statesto obtain the information sent by Alice. Finally, security analysisis also made. |
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| Keywords: | quantum key distribution orthogonal product state orthogonal basis measurement |
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