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Efficient scheme for entangled states and quantum information transfer with trapped atoms in a resonator |
Li Peng-Bo(李蓬勃)† and Li Fu-Li(李福利) |
Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter of Ministry of Education, Department of Applied Physics, Xi'an Jiaotong University, Xi'an 710049, China |
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Abstract A protocol is proposed to generate atomic entangled states and implement quantum information transfer in a cavity quantum electrodynamics system. It utilizes Raman transitions or stimulated Raman adiabatic passages between two systems to entangle the ground states of two three-state Λ-type atoms trapped in a single mode cavity. It does not need the measurements on cavity field nor atomic detection and can be implemented in a deterministic fashion. Since the present protocol is insensitive to both cavity decay and atomic spontaneous emission, it may have some interesting applications in quantum information processing.
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Received: 10 February 2011
Revised: 24 March 2011
Accepted manuscript online:
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PACS:
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03.67.Bg
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(Entanglement production and manipulation)
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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:
Li Peng-Bo(李蓬勃) and Li Fu-Li(李福利) Efficient scheme for entangled states and quantum information transfer with trapped atoms in a resonator 2011 Chin. Phys. B 20 090304
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