Inducing an optical Feshbach resonance via stimulated Raman coupling

Details Inducing an optical Feshbach resonance via stimulated Raman coupling Inducing an optical Feshbach resonance via stimulated Raman coupling

2004-09-21

arxiv.org/abs/cond-mat/0409552v3

Physics

Condensed Matter

Other Condensed Matter

8 pages, 8 figures, submitted to PRA

Scientific paper

10.1103/PhysRevA.71.033403

We demonstrate a novel method of inducing an optical Feshbach resonance based on a coherent free-bound stimulated Raman transition. In our experiment atoms in a Rb87 Bose-Einstein condensate are exposed to two phase-locked Raman laser beams which couple pairs of colliding atoms to a molecular ground state. By controlling the power and relative detuning of the two laser beams, we can change the atomic scattering length considerably. The dependence of scattering length on these parameters is studied experimentally and modelled theoretically.

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