Imbalanced Feshbach-resonant Fermi gases

Abstract

We present an overview of recent developments in species-imbalanced\n("polarized") Feshbach-resonant Fermi gases. We summarize the current status of\nthermodynamics of these systems in terms of a phase diagram as a function of\nthe Feshbach resonance detuning, polarization and temperature. We review\ninstabilities of the s-wave superfluidity across the BEC-BCS crossover to phase\nseparation, FFLO states, polarized molecular superfluidity and the normal\nstate, driven by the species imbalance. We discuss different models and\napproximations of this system and compare their predictions to current\nexperiments.\n