Fermi-liquid theory of imbalanced quark matter
  The temperature dependence of the thermodynamic potential of quantum chromodynamics (QCD), the specific heat, and the quark effective mass are calculated for imbalanced quark matter in the limit of a large number of quark flavors (large-$N_F$), which corresponds to the random phase approximation. Also a generalization of the relativistic Landau effective-mass relation in the imbalanced case is given, which is then applied to this thermodynamic potential. 
J.J.R.M. van Heugten, Shaoyu Yin, and H.T.C. Stoof
hep-th cond-mat.quant-gas