Effects of an applied low frequency field on the dynamics of a two-level atom interacting with a single-mode field

doi:10.1088/1674-1056/19/1/014210

Abstract The effects of an applied low frequency field on the dynamics of a two-level atom interacting with a single-mode field are investigated. It is shown that the time evolution of the atomic population is mainly controlled by the coupling constants and the frequency of the low frequency field, which leads to a low frequency modulation function for the time evolution of the upper state population. The amplitude of the modulation function becomes larger as the coupling constants increase. The frequency of the modulation function is proportional to the frequency of the low frequency field, and decreases with increasing coupling constant.

Keywords: two-level atom low frequency field single-mode field

Received: 07 May 2009
Revised: 05 June 2009
Accepted manuscript online:

PACS:	32.80.-t	(Photoionization and excitation)
	42.50.-p	(Quantum optics)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10664002 and 10832005), the Program for Changjiang Scholars and Innovative Research Team in University (Grant No. IRT0730), and the Program for International Science and Technology Cooperation Program of China (Grant No. 2009DFA02320).

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Xu Xun-Wei(徐勋卫) and Liu Nian-Hua(刘念华) Effects of an applied low frequency field on the dynamics of a two-level atom interacting with a single-mode field 2010 Chin. Phys. B 19 014210

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Effects of an applied low frequency field on the dynamics of a two-level atom interacting with a single-mode field

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