Chin. Phys. Lett.  2006, Vol. 23 Issue (1): 13-16    DOI:
Original Articles |
Resonance-Radiation Force Exerted by a Circularly Polarized Light on an Atomic Wave Packet
YE Yong-Hua1;ZENG Gao-Jian2;LI Jin-Hui3
1Department of Physics, Xiangnan University, Chenzhou 423000 2Department of Technology, Hunan Normal University, Changsha 410081 3Hunan First Normal College, Changsha 410002
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YE Yong-Hua, ZENG Gao-Jian, LI Jin-Hui 2006 Chin. Phys. Lett. 23 13-16
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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.

Keywords: 03.65.Sq      32.90.+a     
Published: 01 January 2006
PACS:  03.65.Sq (Semiclassical theories and applications)  
  32.90.+a (Other topics in atomic properties and interactions of atoms with photons)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I1/013
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