Low energy density correlation function of the degenerate unitary Fermi   gas from epsilon expansion
  Using $\epsilon$ expansion proposed in \cite{Nishida:2006br} we calculate density correlation function of the degenerate Fermi gas at infinite scattering length to next-to-leading order in $\epsilon$ for excitation energies below quasi particle threshold. An expression for the low energy dynamic structure function is derived. 
Andrei Kryjevski