Scheme for teleporting an unknown atomic state to any node in a quantum communication network |
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| Authors: | Song Ke-Hui Zhang Wei-Jun and Guo Guang-Can |
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| Affiliation: | Laboratory of Quantum Communication and Quantum Computation, University of Science and Technology of China, Hefei 230026, China; Laser Spectroscopy Laboratory, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China; Department of Physics, Huaihua Teachers College, Huaihua 418008, China |
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| Abstract: | We propose a scheme for teleporting an unknown atomic state. In order to realize the teleportation to any node in a quantum communication network, an n-atom Greenberger-Horne-Zeilinger (GHZ) state is needed, which is utilized as the quantum channel. From this n-atom GHZ state, two-node entanglement of processing and receiving teleported states can be obtained through the quantum logic gate manipulation. Finally, for the unequally weighted GHZ state, probabilistic teleportation is shown. |
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| Keywords: | teleportation n-particle GHZ state probabilistic teleportation quantum logic gate manipulation |
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