Superfluid-insulator transition and BCS-BEC crossover in dirty ultracold Fermi gas

Details Superfluid-insulator transition and BCS-BEC crossover in dirty ultracold Fermi gas Superfluid-insulator transition and BCS-BEC crossover in dirty ultracold Fermi gas

2007-10-16

arxiv.org/abs/0710.3158v2

Semiconductors (StPetersburg), 42, 927 (2008)

Physics

Condensed Matter

Disordered Systems and Neural Networks

Reference added, typos corrected

Scientific paper

10.1134/S1063782608080058

Superfluid-insulator transition in an ultracold Fermi gas in the external disorder potential of the amplitude $V_0$ is studied as a function of the concentration of the gas $n$ and magnetic field $B$ in the presence of the Feshbach resonance. We find the zero temperature phase diagrams in the plane ($B,n$) at a given $V_0$ and in the plane $(V_0, n)$ at a given $B$. Our results for BEC side of the diagram are also valid for the superfluid-insulator transition in a Bose gas.

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