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Pré-Publication, Document De Travail Année : 2006

Universal phase diagram of a strongly interacting Fermi gas with unbalanced spin populations.

Frédéric Chevy
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Résumé

We present a theoretical interpretation of a recent experiment presented in ref. \cite{Zwierlein06} on the density profile of Fermi gases with unbalanced spin populations. We show that in the regime of strong interaction, the boundaries of the three phases observed in \cite{Zwierlein06} can be characterized by two dimensionless numbers $\eta_\alpha$ and $\eta_\beta$. Using a combination of a variational treatment and a study of the experimental results, we infer rather precise bounds for these two parameters.
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Dates et versions

hal-00077712 , version 1 (31-05-2006)
hal-00077712 , version 2 (06-11-2006)

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Frédéric Chevy. Universal phase diagram of a strongly interacting Fermi gas with unbalanced spin populations.. 2006. ⟨hal-00077712v2⟩
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