Giant formation rates of ultracold molecules via Feshbach-optimized photoassociation.

  title={Giant formation rates of ultracold molecules via Feshbach-optimized photoassociation.},
  author={Philippe Pellegrini and Marko Gacesa and Robin C{\^o}t{\'e}},
  journal={Physical review letters},
  volume={101 5},
Ultracold molecules offer a broad variety of applications, ranging from metrology to quantum computing. However, forming "real" ultracold molecules, i.e., in deeply bound levels, is a very difficult proposition. Here, we show how photoassociation in the vicinity of a Feshbach resonance enhances 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… CONTINUE READING

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