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Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
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A smooth polaron-molecule crossover in a Fermi system.

D M Edwards1

  • 1Department of Mathematics, Imperial College London, London SW7 2BZ, UK.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|October 1, 2013
PubMed
Summary

A single down-spin particle interacting with cold atoms shows a smooth crossover from polaron to molecule behavior as interaction strength increases. This challenges claims of a sharp transition in Fermi sea interactions.

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