Strongly interacting Fermi gases with density imbalance

  • Kinnunen J
  • Jensen L
  • Törmä P
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We consider density-imbalanced Fermi gases of atoms
in the strongly interacting, i.e. unitarity,
regime. The Bogoliubov-deGennes equations for a
trapped superfluid are solved. They take into
account the finite size of the system, as well as
give rise to both phase separation and FFLO type
oscillations in the order parameter. We show how
radio-frequency spectroscopy reflects the phase
separation, and can provide direct evidence of the
FFLO-type oscillations via observing the nodes of
the order parameter.

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  • J Kinnunen

  • L M Jensen

  • Päivi Törmä

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