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.
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)
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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