| Resonance-Radiation Force Exerted by a Circularly Polarized Light on an Atomic Wave Packet |
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| 作者姓名： | 叶永华 曾高坚 李锦茴 |
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| 作者单位： | [1]Department of Pflysics, Xiangnan University, Chenzhou 423000 [2]Department of Technology, Hunan Normal University, Changsha 410081 [3]Hunan First Normal College, Changsha 410002 |
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| 摘 要： |
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| 关 键 词： | 谐振辐射力 循环偏振光 原子波 波包 |
| 收稿时间： | 2005-09-08 |
| 修稿时间： | 2005-09-08 |
Resonance-Radiation Force Exerted by a Circularly Polarized Light on an Atomic Wave Packet |
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| YE Yong-Hua, ZENG Gao-Jian, LI Jin-Hui.Resonance-Radiation Force Exerted by a Circularly Polarized Light on an Atomic Wave Packet[J].Chinese Physics Letters,2006,23(1):13-16. |
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| Authors: | YE Yong-Hua ZENG Gao-Jian LI Jin-Hui |
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| Abstract: | We study the behaviour of an atomic wave packet in a circularly polarized light, and especially give the calculation of the radiative force exerted by the circularly polarized light on the atomic wave packet under the resonance condition. A general method of the calculation is presented and the result is interesting. For example, under the condition that the wave packet is very narrow or/and the interaction is very strong, no matter whether the atom is initially in its ground state or excited state, as time approaches to infinity, the resonance-radiation force exerted by the light on the atom approaches to zero. If the atom is initially in its ground state and excited state with the probability 1/2 respectively, and if the momentum density is a even function, then the resonance-radiation force exerted by the light on the atom is equal to zero. |
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