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Efficient atom-molecule conversion in Bose–Einstein condensates based on nonlinear dressed-state scheme

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  • Cao, Hong
  • Han, Xiang-Yu
  • Wu, Hai-Ying

Abstract

We investigate the dynamics of atomic and molecular Bose–Einstein condensates via nonlinearly dressed states. Under the resonance-locking condition, we add a correction for an initial Hamiltonian to construct the dressed states with only second-order nonlinearity. Compared to the nonlinear stimulated Raman adiabatic passage, atomic-molecular conversion in our protocol is realized by following the dressed states instead of the dark state, thus it can produce a fast conversion passage. Furthermore, we introduce a control parameter to reduce the occupancy of the excited molecule state, and the conversion efficiency can be improved significantly by increasing the value of this parameter.

Suggested Citation

  • Cao, Hong & Han, Xiang-Yu & Wu, Hai-Ying, 2023. "Efficient atom-molecule conversion in Bose–Einstein condensates based on nonlinear dressed-state scheme," Chaos, Solitons & Fractals, Elsevier, vol. 174(C).
    • Handle: RePEc:eee:chsofr:v:174:y:2023:i:c:s096007792300783x
    DOI: 10.1016/j.chaos.2023.113882
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