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Adiabaticity Of The Dark State In A Nonlinear Atom-Trimer Conversion System

Author

Listed:
  • SHAO-YING MENG

    (Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, Beijing 100088, P. R. China)

  • LI-BIN FU

    (Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, Beijing 100088, P. R. China)

  • JIE LIU

    (Institute of Applied Physics and Computational Mathematics, P. O. Box 8009, Beijing 100088, P. R. China)

Abstract

We investigate the adiabaticity of the dark state in a nonlinear atom-trimer conversion system in a stimulated Raman adiabatic passage (STIRAP). We find that, in the absence of the nonlinear collisions, the adiabatic condition for this nonlinear system only depends on the Rabi-frequency of the dimer-trimer coupling optical field, which is different from traditional STIRAP processes. In the presence of the nonlinear collisions, the adiabatic condition also relies on the atom-dimer coupling Rabi frequency. However, its influence is really small. Moreover, we propose a more feasible two-photon STIRAP scheme that has better adiabaticity and hence could yield higher atom-trimer conversion efficiency.

Suggested Citation

  • Shao-Ying Meng & Li-Bin Fu & Jie Liu, 2009. "Adiabaticity Of The Dark State In A Nonlinear Atom-Trimer Conversion System," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 20(07), pages 1011-1022.
    • Handle: RePEc:wsi:ijmpcx:v:20:y:2009:i:07:n:s0129183109014151
    DOI: 10.1142/S0129183109014151
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