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Shortcut to a Fermi-degenerate gas of molecules via cooperative association | | Olavi Dannenberg
; Matt Mackie
; Kalle-Antti Suominen
; | | Date: |
21 Nov 2003 | | Journal: | Phys Rev Lett, 91 (21), 210404 | | Abstract: | We theoretically examine the creation of a Fermi-degenerate gas of molecules by considering a photoassociation or Feshbach resonance applied to a degenerate Bose-Fermi mixture of atoms. This problem raises interest because, unlike bosons, fermions in general do not behave cooperatively, so that the collective conversion of a degenerate gas atoms into a macroscopic number of diatomic molecules is not to be expected. Nevertheless, we find that the coupled Fermi system displays collective Rabi-like oscillations and a rapid adiabatic passage between atoms and molecules, thereby mimicking Bose-Einstein statistics. Cooperative association of a degenerate mixture of Bose and Fermi gases could therefore serve as a shortcut to a degenerate gas of Fermi molecules. | | Source: | PubMed, pmid14683284 | | Other source: | [GID 143794] physics/0304012 | | Services: | Forum | Review | Favorites | |
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