Shock waves in strongly interacting Fermi gas from time-dependent density functional calculations (Articolo in rivista)

Type
Label
  • Shock waves in strongly interacting Fermi gas from time-dependent density functional calculations (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.85.063612 (literal)
Alternative label
  • Ancilotto, F.; Salasnich, L.; Toigo, F. (2012)
    Shock waves in strongly interacting Fermi gas from time-dependent density functional calculations
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ancilotto, F.; Salasnich, L.; Toigo, F. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 85 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Padua; University of Padua; CNR IOM Democritos (literal)
Titolo
  • Shock waves in strongly interacting Fermi gas from time-dependent density functional calculations (literal)
Abstract
  • Motivated by a recent experiment [Phys. Rev. Lett. 106, 150401 (2011)], we simulate the collision between two clouds of cold Fermi gas at unitarity conditions by using an extended Thomas-Fermi density functional. At variance with the current interpretation of the experiments, where the role of viscosity is emphasized, we find that a quantitative agreement with the experimental observation of the dynamics of the cloud collisions is obtained within our superfluid effective hydrodynamics approach, where density variations during the collision are controlled by a purely dispersive quantum gradient term. We also suggest different initial conditions where dispersive density ripples can be detected with the available experimental spatial resolution. (literal)
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