Two flavor massless Schwinger model on a torus at a finite chemical potential
arXiv:1210.3072 · doi:10.1103/PhysRevD.86.125008
Abstract
We study the thermodynamics of the two flavor massless Schwinger model on a torus at a finite chemical potential. We show that thermodynamic quantities only depend on the isospin chemical potential and there are marked deviations from a free fermion theory.
7 pages, 3 figures, minor addition to the introduction, matches version to appear in Physical Review D