Feshbach Resonance Induced Fano Interference in Photoassociation

Details Feshbach Resonance Induced Fano Interference in Photoassociation Feshbach Resonance Induced Fano Interference in Photoassociation

2009-03-23

arxiv.org/abs/0903.3799v2

J. Phys. B: At. Mol. Opt. Phys. vol.42 (2009) pp.215203 (6pp)

Physics

Atomic Physics

6 pages 4 figures, substantial change with new results in version 2

Scientific paper

We consider photoassociation from a state of two free atoms when the continuum state is close to a magnetic field induced Feshbach resonance and analyze Fano interference in photoassociation. We show that the minimum in photoassociation profiles characterized by the Fano asymmetry parameter $q$ is independent of laser intensity, while the maximum explicitly depends on laser intensity. We further discuss the possibility of nonlinear Fano effect in photoassociation near a Feshbach resonance.

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