The induced interaction among the majority spin species, due to the presence of the minority species, is computed for the case of a population-imbalanced resonantly interacting Fermi gas. It is shown that this interaction leads to an instability, at low temperatures, of the recently observed polaron Fermi liquid phase of strongly imbalanced Fermi gases to a $p$ -wave superfluid state. We find that the associated transition temperature, while quite small in the weakly interacting BCS regime, is experimentally accessible in the strongly interacting unitary regime.The induced interaction among the majority spin species, due to the presence of the minority species, is computed for the case of a population-imbalanced resonantly interacting Fermi gas. It is shown that this interaction leads to an instability, at low temperatures, of the recently observed polaron Fermi liquid phase of strongly imbalanced Fermi gases to a $p$-wave superfluid state. We find that the associated transition temperature, while quite small in the weakly interacting BCS regime, is experimentally accessible in the strongly interacting unitary regime.

arXiv:1011.4536Physical Review AMay 31, 201117 citations

Superfluidity in Strongly Interacting Spin-Polarized Fermi Gases

Ben A. Olsen, Melissa Revelle, Jacob A. Fry +2 more

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Publisher’s Note: Observation of Phase Separation in a Strongly Interacting Imbalanced Fermi Gas [Phys. Rev. Lett.97, 030401 (2006)]

Yong-il Shin, Martin W. Zwierlein, Christian H. Schunck +2 more

Physical Review LettersJul 26, 20066 citations

Superfluidity in a Strongly Interacting Polarized Fermi Gas

Yong-il Shin

Bulletin of the American Physical SocietyMar 5, 20070 citations

p

-wave superfluid state. We find that the associated transition temperature, while quite small in the weakly interacting BCS regime, is experimentally accessible in the strongly interacting unitary regime.