Universal properties of the ultracold Fermi gas

  title={Universal properties of the ultracold Fermi gas},
  author={S. Zhang and A. Leggett},
  journal={Physical Review A},
  • S. Zhang, A. Leggett
  • Published 2009
  • Physics
  • Physical Review A
  • We present some general considerations on the properties of a two-component ultracold Fermi gas along the BEC-BCS crossover. It is shown that the interaction energy and the free energy can be written in terms of a single dimensionless function $h(\ensuremath{\xi},\ensuremath{\tau})$, where $\ensuremath{\xi}=\ensuremath{-}{({k}_{F}{a}_{s})}^{\ensuremath{-}1}$ and $\ensuremath{\tau}=T∕{T}_{F}$. The function $h(\ensuremath{\xi},\ensuremath{\tau})$ incorporates all the many-body physics and… CONTINUE READING
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