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Chinese Physics, 2004, Vol. 13(9): 1432-1437    DOI: 10.1088/1009-1963/13/9/012
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Atomic dynamics in the mode-mode competition system

Wu Qin (吴琴), Fang Mao-Fa (方卯发)
College of Physics and Information Science, Hunan Normal University, Changsha 410081, China
Abstract  The atomic dynamical properties in the system with competing k-photon and l-photon transitions are studied fully by means of quantum theory. We discuss the influences of the mode-mode competition, the relative competing strengths of the atom and the two-mode field, and the initial state of the system on the atomic dynamics. We show that the presence of the mode-mode competition can result in quite a periodical collapses-revivals of the atomic inversion and the increase of the initial photons of the system can lead to the collapse-revival phenomenon and prolong the revival time of the atomic inversion.
Keywords:  two-mode competition model      atomic inversion      collapse and revival  
Received:  20 November 2003      Revised:  15 December 2003      Accepted manuscript online: 
PACS:  42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)  
  42.50.Ct (Quantum description of interaction of light and matter; related experiments)  
  32.80.-t (Photoionization and excitation)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10374025), by the Natural Science Foundation of Hunan Province, China (Grant No 01JJY3030) and by the Ministry of Education, China.

Cite this article: 

Wu Qin (吴琴), Fang Mao-Fa (方卯发) Atomic dynamics in the mode-mode competition system 2004 Chinese Physics 13 1432

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