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The European Physical Journal D

, Volume 61, Issue 1, pp 161–169 | Cite as

Cooling of a Λ-type three-level atom in a high-finesse optical cavity

  • L. Tan
  • L. W. Liu
  • Y. F. Sun
Article

Abstract.

A theoretical study is carried out for the cavity cooling of a Λ-type three-level atom in a high-finesse optical cavity driven by a weakly field. Analytical expressions for the friction, diffusion coefficients and the equilibrium temperature are obtained by using the Heisenberg equations, then they are calculated numerically and shown graphically as functions of the controlling parameters. For a suitable choice of these parameters, the dynamics of the cavity field interaction with the Λ-type three-level atom introduces a sisyphus cooling mechanism yielding lower temperature than the one of the two-level atom, avoiding the problems induced by spontaneous emission.

Keywords

Coupling Strength Optical Cavity Heisenberg Equation Dipole Force Cavity Axis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • L. Tan
    • 1
    • 2
  • L. W. Liu
    • 1
  • Y. F. Sun
    • 1
  1. 1.Institute of Theoretical Physics, Lanzhou UniversityLanzhouP.R. China
  2. 2.Key Laboratory for Magnetism and Magnetic materials of the Ministry of Education, Lanzhou UniversityLanzhouP.R. China

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