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Journal of Modern Optics Volume 56, 2009 - Issue 8
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Original Articles

Optical force and friction of a V-type three-level atom in a driven high-Q cavity

Li-Wei Liu Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000, P.R. China
,
Lei Tan Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000, P.R. ChinaCorrespondence[email protected]
&
Yan Xu Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000, P.R. China
Pages 968-974 | Received 20 Oct 2008, Accepted 17 Feb 2009, Published online: 18 May 2009
 
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Abstract

A model is presented to calculate the optical force and friction for a three-level atom in a V-type configuration in a weakly driven high-finesse cavity. Analytical expressions for the force and friction are derived using Heisenberg equations. It is demonstrated that the cooling rate can be increased by one order of magnitude over that of a two-level atomic system, which would stimulate further experimental investigations.

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant no. 10704031), the National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China (Grant no. J0730314), the Fundamental Research Fund for Physics and Mathematics of Lanzhou University (Grant no. Lzu05001), and the Natural Science Foundation of Gansu Province, China (Grant no. 3ZS061-A25-035).

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