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Mechanical effects of light on the ■-type three-level atom in a high-finesse optical cavity

Mechanical effects of light on the ■-type three-level atom in a high-finesse optical cavity
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摘要 A theoretical study is carried out for the modification and implication of the effect on the type three level atom in a high-finesse optical cavity driven by light field including spontaneous emission and the cavity decay. Analytic expressions for the dipole force, the friction force, the optical potentials and the friction coefficient are obtained. Then the numerical and graphical methods are used to investigate the friction coefficient with the controlling parameters. It is shown that the friction coefficient is strongly dependent on the controlling parameters. The cooling rate can increase by one order of magnitude more than that of a two-level atomic system. The reason can be given using the dressed states and the Sisyphus cooling mechanism, which would stimulate further experimental investigations. A theoretical study is carried out for the modification and implication of the effect on the type three level atom in a high-finesse optical cavity driven by light field including spontaneous emission and the cavity decay. Analytic expressions for the dipole force, the friction force, the optical potentials and the friction coefficient are obtained. Then the numerical and graphical methods are used to investigate the friction coefficient with the controlling parameters. It is shown that the friction coefficient is strongly dependent on the controlling parameters. The cooling rate can increase by one order of magnitude more than that of a two-level atomic system. The reason can be given using the dressed states and the Sisyphus cooling mechanism, which would stimulate further experimental investigations.
作者 刘利伟 谭磊 黄刚
机构地区 Institute of Theoretical Physics Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2011年第1期377-384,共8页 中国物理B（英文版）
基金 Project supported by the National Natural Science Foundation of China(Grant No.10704031) the National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China(Grant No.J0630313) the Fundamental Research Fund for Physics and Mathematics of Lanzhou University,China(Grant No.Lzu05001) the Natural Science Foundation of Gansu Province,China(Grant No.3ZS061-A25-035)
关键词 three-level atom mechanical effects high finesse optical cavity three-level atom, mechanical effects, high finesse optical cavity
分类号 O431.2 [机械工程—光学工程] O562 [理学—原子与分子物理]
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Chinese Physics B
2011年 第1期

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