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Tripartite Entanglement via Microwave Driven Atomic Coherence |
JIN Li-Xia1, LüXin-You2, SONG Pei-Jun1, YANG Xiao-Xue1 |
| 1School of Physics Huazhong University of Science andTechnology, Wuhan 4300742School of Physics, Ludong University, Yantai 264025 |
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JIN Li-Xia, LüXin-You, SONG Pei-Jun et al 2010 Chin. Phys. Lett. 27 040310 |
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Abstract We propose a new scheme to achieve the tripartite entanglement based on the standard criteria [Phys. Rev. A 67 (2003) 052315] in a inverse-tripod atomic system. In our scheme, the atomic coherence is introduced by two microwave fields which drive the upper three levels of atom. By numerically simulating the dynamics of system, we investigate the generation and evolution of entanglement in the presence of atom and cavity decay. As a result, the present research provides an efficient approach to achieve fully tripartite entanglement with different frequencies and initial states for each entangled mode, which may have impact on the progress of multicolored multi-notes quantum information networks.
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| Keywords:
03.67.Mn
42.50.Dv
42.50.Pq
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Received: 16 October 2009
Published: 27 March 2010
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| PACS: |
03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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42.50.Dv
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(Quantum state engineering and measurements)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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