Destroying superfluidity by rotating a fermi gas at unitarity (Articolo in rivista)

Type
Label
  • Destroying superfluidity by rotating a fermi gas at unitarity (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Bausmerth, I; Recati, A; Stringari, S (2008)
    Destroying superfluidity by rotating a fermi gas at unitarity
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bausmerth, I; Recati, A; Stringari, S (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 100 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"Univ Trent, Dipartimento Fis, I-38050 Trento, Italy; CNR INFM BEC Ctr, I-38050 Trento, Italy (literal)
Titolo
  • Destroying superfluidity by rotating a fermi gas at unitarity (literal)
Abstract
  • We study the effect of the rotation on a harmonically trapped Fermi gas at zero temperature under the assumption that vortices are not formed. We show that at unitarity the rotation produces a phase separation between a nonrotating superfluid (S) core and a rigidly rotating normal (N) gas. The interface between the two phases is characterized by a density discontinuity n(N)/n(S)=0.85, independent of the angular velocity. The depletion of the superfluid and the angular momentum of the rotating configuration are calculated as a function of the angular velocity. The conditions of stability are also discussed and the critical angular velocity for the onset of a spontaneous quadrupole deformation of the interface is evaluated. (literal)
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