Phys. Rev. A 63, 054301 (2001) [3 pages]

Controlled dense coding using the Greenberger-Horne-Zeilinger state

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Jiu-Cang Hao, Chuan-Feng Li^*, and Guang-Can Guo^†
Laboratory of Quantum Communication and Quantum Computation and Department of Physics, University of Science and Technology of China, Hefei, 230026, People’s Republic of China

Received 24 August 2000; published 11 April 2001

In this paper we investigate the dense coding with a three-particle entangled state. In this case one party (Alice) can send information to the second party (Bob), whereas the local measurement of the third party (Cliff) serves as quantum erasure. The quantum channel between Alice and Bob is controlled by Cliff via the measurement.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.63.054301

DOI:

10.1103/PhysRevA.63.054301

PACS:

03.67.Hk, 03.65.Ta

^*Electronic address: cfli@ustc.edu.cn

^†Electronic address: gcguo@ustc.edu.cn

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Phys. Rev. A 63, 054301 (2001) [3 pages]

Controlled dense coding using the Greenberger-Horne-Zeilinger state