Color superconductivity vs. pseudoscalar condensation in a three-flavor   NJL model
  We calculate numerically the phase diagram of the three-flavor Nambu-Jona-Lasinio model at zero and finite temperature as a function of the up, down, and strange quark chemical potentials. We focus on the competition between pseudoscalar condensation and color superconductivity. We find that the two types of phases are separated by first-order transitions. 
Harmen J. Warringa, Daniel Boer, Jens O. Andersen