Large momentum part of fermions with large scattering length

@inproceedings{Tan2005LargeMP,
  title={Large momentum part of fermions with large scattering length},
  author={S. Tan},
  year={2005}
}
  • S. Tan
  • Published 2005
  • Physics
  • It is well known that the momentum distribution of the two-component Fermi gas with large scattering length has a tail proportional to $1/k^4$ at large $k$. We show that the magnitude of this tail is equal to the adiabatic derivative of the energy with respect to the reciprocal of the scattering length, multiplied by a simple constant. This result holds at any temperature (as long as the effective interaction radius is negligible) and any large scattering length; it also applies to few-body… CONTINUE READING
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