Finite-size effects on the chiral phase diagram of four-fermion models in four dimensions

L. M. Abreu, A. P. C. Malbouisson, J. M. C. Malbouisson +1

We study the size dependence of the dynamical symmetry breaking in the four-dimensional Nambu-Jona-Lasinio model. We show that the presence of boundaries reduces the chiral breakin…