Chinese Journal of Quantum Electronics, Volume. 26, Issue 5, 577(2009)

Quantum entanglement of two-mode SU(1,1) coherent states with three-level atoms in a high Q cavity with Kerr medium

Qing-shi WANG*... Yun-xiang GUO and Yun-zhong LAI |Show fewer author(s)
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    The quantum entanglement of three-level atoms, which include a V-type three-level atom, a V-type three-level atom and a Λ-type three-level atom, interacting with two-mode SU(1,1) coherent states in a high Q cavity with Kerr medium is studied. By numerical method, the influences of field parameters and Kerr effect on the quantum entanglement are discussed in detail. The result shows the laws of the three type atoms are coincident with the effect of Kerr in a high Q cavity with Kerr medium, before Kerr parameter reaches a certain value the quantum entanglement increases rapidly. However, the quantum entanglement is reduced when the parameter is over the certain value.

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    WANG Qing-shi, GUO Yun-xiang, LAI Yun-zhong. Quantum entanglement of two-mode SU(1,1) coherent states with three-level atoms in a high Q cavity with Kerr medium[J]. Chinese Journal of Quantum Electronics, 2009, 26(5): 577

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    Paper Information

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    Received: Oct. 14, 2008

    Accepted: --

    Published Online: May. 24, 2010

    The Author Email: Qing-shi WANG (qingshi.w@sohu.com)

    DOI:

    CSTR:32186.14.

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