The quark condensate at finite temperature
arXiv:nucl-th/9607046 · doi:10.1016/S0370-2693(96)01209-9
Abstract
The temperature evolution of the quark condensate is studied using three different methods. In the spirit of a many-body approach we make an expansion in the scalar density up to second order. Our result is consistent chiral perturbation theory to two-loop order.
Latex 14 pages + 1 figure (postscript)