%0 Journal Article
%T The 2+1 Dimensional NJL Model at Finite Temperature
%A Thomas Appelquist
%A Myck Schwetz
%J Physics
%D 2000
%I arXiv
%R 10.1016/S0370-2693(00)01046-7
%X We decribe properties of 2+1-dimensional Nambu-Jona-Lasinio (NJL) models at finite-temperature, beginning with the model with a discrete chiral symmetry. We then consider the model with a continuous $U(1) \times U(1)$ chiral symmetry, describing the restoration of the symmetry at finite temperature. In each case, we compute the free energy and comment on a recently proposed constraint based upon it. We conclude with a brief discussion of NJL models with larger chiral symmetries.
%U http://arxiv.org/abs/hep-ph/0007284v2