dc Josephson effect with Fermi gases in the Bose-Einstein regime (Articolo in rivista)

Type
Label
  • dc Josephson effect with Fermi gases in the Bose-Einstein regime (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.79.033627 (literal)
Alternative label
  • Salasnich, L.; Ancilotto, F.; Toigo, F. (2009)
    dc Josephson effect with Fermi gases in the Bose-Einstein regime
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salasnich, L.; Ancilotto, F.; Toigo, F. (literal)
Pagina inizio
  • 033627 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 79 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-INFM - CNISM; Dipartimento di Fisica Galileo Galilei - CNISM (literal)
Titolo
  • dc Josephson effect with Fermi gases in the Bose-Einstein regime (literal)
Abstract
  • We show that the dc Josephson effect with ultracold fermionic gases in the Bose-Einstein-condensate (BEC) regime of composite molecules can be described by a nonlinear Schrodinger equation (NLSE). By comparing our results with Bogoliubov-de Gennes calculations [Phys. Rev. Lett. 99, 040401 (2007)] we find that our superfluid NLSE, which generalizes the Gross-Pitaevskii equation taking into account the correct equation of state, is reliable in the BEC regime of the BCS-BEC crossover up to the limit of very large (positive) scattering length. We also predict that the Josephson current displays relevant beyond-mean-field effects. (literal)
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