Adiabatic Fidelity for Atom-Molecule Conversion in a Nonlinear Three-Level Λ-system

Details Adiabatic Fidelity for Atom-Molecule Conversion in a Nonlinear Three-Level Λ-system Adiabatic Fidelity for Atom-Molecule Conversion in a Nonlinear Three-Level Λ-system

2007-09-04

arxiv.org/abs/0709.0359v2

Phys. Rev. A 78, 053410 (2008)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 5 figures

Scientific paper

10.1103/PhysRevA.78.053410

We investigate the dynamics of the population transfer for atom-molecule three-level $\Lambda$-system on stimulated Raman adiabatic passage(STIRAP). We find that the adiabatic fidelity for the coherent population trapping(CPT) state or dark state, as the function of the adiabatic parameter, approaches to unit in a power law. The power exponent however is much less than the prediction of linear adiabatic theorem. We further discuss how to achieve higher adiabatic fidelity for the dark state through optimizing the external parameters of STIRAP. Our discussions are helpful to gain higher atom-molecule conversion yield in practical experiments.

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