| We discuss briefly our results on RF-spectroscopy of the superfluid pairing gap in Fermi gases, as well as on dimensionality effects for Fermi condensates in optical lattices. The main part of the talk is, however, focused on theory for the recent experiments on spin-density imbalanced Fermi gases. 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 RF-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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