If the phase transition of QCD at nonzero temperature is dominated by the (approximate) restoration of chiral symmetry, then the transition might be characterized using a gauged linear -LCB- sigma -RCB- model. (osti.gov)
Seeing as Camargo and Tucker have nonzero chances of turning into pumpkins and Flaherty and Markakis are what they are, it doesn't hurt to have backup options. (sbnation.com)