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Scheme for implementing perfect quantum teleportation with four-qubit entangled states in cavity quantum electrodynamics |
| Tang Jing-Wu (唐京武), Zhao Guan-Xiang (赵冠湘), He Xiong-Hui (何雄辉) |
| School of Physics, Hunan University of Science and Technology, Xiangtan 411201, China |
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Abstract Recently, Peng et al. [2010 Eur. Phys. J. D 58 403] proposed to teleport an arbitrary two-qubit state with a family of four-qubit entangled states, which simultaneously include the tensor product of two Bell states, linear cluster state and Dicke-class state. This paper proposes to implement their scheme in cavity quantum electrodynamics and then presents a new family of four-qubit entangled state $|\varOmega\rangle_{1234}$. It simultaneously includes all the well-known four-qubit entangled states which can be used to teleport an arbitrary two-qubit state. The distinct advantage of the scheme is that it only needs a single setup to prepare the whole family of four-qubit entangled states, which will be very convenient for experimental realization. After discussing the experimental condition in detail, we show the scheme may be feasible based on present technology in cavity quantum electrodynamics.
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Received: 08 October 2010
Revised: 30 November 2010
Accepted manuscript online:
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PACS:
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03.67.Hk
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(Quantum communication)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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Cite this article:
Tang Jing-Wu (唐京武), Zhao Guan-Xiang (赵冠湘), He Xiong-Hui (何雄辉) Scheme for implementing perfect quantum teleportation with four-qubit entangled states in cavity quantum electrodynamics 2011 Chin. Phys. B 20 050312
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