Finite Density QCD: a New Approach
  We introduce a new approach to analyze the phase diagram of QCD at finite chemical potential and temperature, test it in the Gross-Neveu model at finite baryon density, and apply it to the study of the chemical potential-temperature phase diagram of QCD with four degenerate flavors of Kogut-Susskind type. 
Vicente Azcoiti, Giuseppe Di Carlo, Angelo Galante, Victor Laliena