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    李崇

    • 副教授     博士生导师   硕士生导师
    • 性别:男
    • 毕业院校:大连理工大学
    • 学位:博士
    • 所在单位:物理学院
    • 学科:理论物理
    • 办公地点:物理219室
    • 联系方式:lichong@dlut.edu.cn
    • 电子邮箱:lichong@dlut.edu.cn

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    ENTANGLEMENT DYNAMICS IN ROVIBRATIONAL MOLECULES DRIVEN BY INFRARED PULSES

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    论文类型:期刊论文

    第一作者:Pei, Pei

    通讯作者:Pei, P (reprint author), Dalian Univ Technol, Sch Phys & Optoelect Engn, Dalian 116024, Peoples R China.

    合写作者:Li, Chong,Song, He-Shan

    发表时间:2010-09-01

    发表刊物:INTERNATIONAL JOURNAL OF QUANTUM INFORMATION

    收录刊物:SCIE

    卷号:8

    期号:6

    页面范围:937-945

    ISSN号:0219-7499

    关键字:Quantum entanglement; quantum computation; molecular vibrational and rotational levels

    摘要:We studied the dynamics of entanglement in ultra-cold heteronuclear diatomic rovibrational molecules driven by an infrared laser field. Environment-induced spontaneous emission is considered. Numerical results show that the resonant external field and damping processes can bring into equilibrium and the disentanglement can be suppressed evidently. Appropriate intensity of far detuned pulses can also suppress disentanglement and produce some entanglement if there is initially separable state, but damping processes and interaction via polarizability dominate the disentanglement, leading to the vanishing of entanglement after a long time.