Imbalanced Feshbach-resonant Fermi gases

Authors: Radzihovsky, Leo; Sheehy, Daniel E

Source: Reports on Progress in Physics, Volume 73, Number 7, July 2010 , pp. 76501-76519(19)

Publisher: IOP Publishing

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Abstract:

We present an overview of recent developments in species-imbalanced ('polarized') Feshbach-resonant Fermi gases. We summarize the current status of thermodynamics of these systems in terms of a phase diagram as a function of the Feshbach resonance detuning, polarization and temperature. We review instabilities of the s-wave superfluidity across the Bose–Einstein condensation-to-Bardeen–Cooper–Schrieffer crossover to phase separation, Fulde–Ferrell–Larkin–Ovchinnikov states, polarized molecular superfluidity and the normal state, driven by the species imbalance. We discuss different models and approximations of this system and compare their predictions with current experiments.

Document Type: Research Article

DOI: http://dx.doi.org/10.1088/0034-4885/73/7/076501

Publication date: July 1, 2010

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