A quantum dialogue network is constructed, which uses GHZ states as quantum channel. As its application, a quantum dialogue protocol using entanglement swapping is presented. If the network is safe, any two users in the network can communicate under the control of the other users. (C) 2008 Elsevier B.V. All rights reserved.
机构:
Center for Information Security Technologies (CIST),Korea University
Graduate School of Information Security,Korea University
Department of Physics,Korea UniversityCenter for Information Security Technologies (CIST),Korea University
机构:
Korea Univ, CIST, Seoul, South Korea
Korea Univ, Grad Sch Informat Secur, Seoul, South KoreaKorea Univ, CIST, Seoul, South Korea
Hong, Chang-Ho
Heo, Jino
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机构:
Korea Univ, CIST, Seoul, South Korea
Korea Univ, Grad Sch Informat Secur, Seoul, South KoreaKorea Univ, CIST, Seoul, South Korea
Heo, Jino
Lim, Jong-In
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机构:
Korea Univ, CIST, Seoul, South Korea
Korea Univ, Grad Sch Informat Secur, Seoul, South KoreaKorea Univ, CIST, Seoul, South Korea
Lim, Jong-In
Yang, Hyung-Jin
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机构:
Korea Univ, CIST, Seoul, South Korea
Korea Univ, Grad Sch Informat Secur, Seoul, South Korea
Korea Univ, Dept Phys, Sejong 339700, South KoreaKorea Univ, CIST, Seoul, South Korea