Physics – Quantum Physics
Scientific paper
2008-03-27
Physics
Quantum Physics
8 pages, no figure
Scientific paper
There is much interest in the multiparty quantum communications where quantum teleportation using high dimensional entangled quantum channel is one of the promising tools. In this paper, we propose a more general scheme for M-party controlled teleportation of an arbitrary N-particle quantum state using N-1 identical Einstein-Podolsky-Rosen pairs and one (M+2)-particle Greenberger-Horne-Zeilinger state together as quantum channel. Based on which a 2-party controlled teleportation of an arbitrary 3-particle state is tested with our scheme as an example.
Hua Sha
Jun Ye
Li Yue
Liu Yu
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