1/N Expansion for Horava-Lifshitz like four-fermion models

M. Gomes, T. Mariz, J. R. Nascimento +2

We study a class of four-fermion Gross-Neveu like models in four dimensions with critical exponents $z=2$ and $z=3$. The models with $z=2$ are known to be perturbatively nonrenorma…