Giant formation rates of ultracold molecules via Feshbach Optimized Photoassociation

Details Giant formation rates of ultracold molecules via Feshbach Optimized Photoassociation Giant formation rates of ultracold molecules via Feshbach Optimized Photoassociation

2008-06-07

arxiv.org/abs/0806.1295v1

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevLett.101.053201

Ultracold molecules offer a broad variety of applications, ranging from metrology to quantum computing. However, forming "real" ultracold molecules, {\it i.e.} in deeply bound levels, is a very difficult proposition. Here, we show how photoassociation in the vicinity of a Feshbach resonance enhance molecular formation rates by several orders of magnitude. We illustrate this effect in heteronuclear systems, and find giant rate coefficients even in deeply bound levels. We also give a simple analytical expression for the photoassociation rates, and discuss future applications of the Feshbach Optimized Photoassociation, or FOPA, technique.

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