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Multiparty Controlled Deterministic Secure Quantum Communication Through Entanglement Swapping

Author

Listed:
  • LI DONG

    (Department of Physics, Bohai University, Jinzhou 121013, China)

  • XIAO-MING XIU

    (Department of Physics, Bohai University, Jinzhou 121013, China)

  • YA-JUN GAO

    (Department of Physics, Bohai University, Jinzhou 121013, China)

  • FENG CHI

    (Department of Physics, Bohai University, Jinzhou 121013, China)

Abstract

A three-party controlled deterministic secure quantum communication scheme through entanglement swapping is proposed firstly. In the scheme, the sender needs to prepare a class of Greenberger–Horne–Zeilinger (GHZ) states which are used as quantum channel. The two communicators may securely communicate under the control of the controller if the quantum channel is safe. The roles of the sender, the receiver, and the controller can be exchanged owing to the symmetry of the quantum channel. Different from other controlled quantum secure communication schemes, the scheme needs lesser additional classical information for transferring secret information. Finally, it is generalized to a multiparty controlled deterministic secure quantum communication scheme.

Suggested Citation

  • Li Dong & Xiao-Ming Xiu & Ya-Jun Gao & Feng Chi, 2008. "Multiparty Controlled Deterministic Secure Quantum Communication Through Entanglement Swapping," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 19(11), pages 1673-1681.
    • Handle: RePEc:wsi:ijmpcx:v:19:y:2008:i:11:n:s0129183108013205
    DOI: 10.1142/S0129183108013205
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