| Counter-Rotating Transition Mediated Coherent Effects in Spontaneous Emission in a Three-Level Atom |
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| 作者姓名： | 徐俊 胡响明 |
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| 作者单位： | Department of Physics, Huazhong Normal University, Wuhan 430079 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 60378008 and 10574052. |
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| 摘 要： | The coherent effects including counter-rotating coupling on spontaneous emission are presented for a microwave driven V-type three-level atom. Novel coherent effects are realized： （i） There is an infinite series of spectral lines, which are separated by the microwave frequency, independent of the separation of the excited states, no matter whether the microwave transition is resonant or not. This is in sharp contrast to the case of the weak coupling, where the spectral interval is mainly determined by the separation of the excited states. （ii） Selective appearance and inhibition of the spectral lines are obtained simply by varying the microwave Rabi frequency. （iii） Spectral lines have a twofold structure. The physical mechanisms are analysed by employing the dressed states representation.
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| 关 键 词： | 连贯效应 自发射 三阶原子 原子物理学 |
| 收稿时间： | 2006-06-28 |
| 修稿时间： | 2006-06-28 |
Counter-Rotating Transition Mediated Coherent Effects in Spontaneous Emission in a Three-Level Atom |
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| XU Jun, HU Xiang-Ming.Counter-Rotating Transition Mediated Coherent Effects in Spontaneous Emission in a Three-Level Atom[J].Chinese Physics Letters,2006,23(10):2725-2728. |
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| Authors: | XU Jun HU Xiang-Ming |
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| Affiliation: | Department of Physics, Huazhong Normal University, Wuhan 430079 |
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