Renormalization group analysis of the three-dimensional Gross-Neveu model at finite temperature and density

Details Renormalization group analysis of the three-dimensional Gross-Neveu model at finite temperature and density Renormalization group analysis of the three-dimensional Gross-Neveu model at finite temperature and density

2003-05-19

arxiv.org/abs/hep-th/0305162v2

Phys.Lett. B567 (2003) 31-38

Physics

High Energy Physics

High Energy Physics - Theory

Latex file, 12 pages, 2 eps figures, minor changes, added references, published version

Scientific paper

10.1016/j.physletb.2003.06.005

The Renormalization Group flow equations obtained by means of a proper time regulator are used to analyze the restoration of the discrete chiral symmetry at non-zero density and temperature in the Gross-Neveu model in d=2+1 dimensions. The effects of the wave function renormalization of the auxiliary scalar field on the transition have been studied. The analysis is performed for a number of fermion flavors N_f=12 and the limit of large N_f is also considered. The results are compared with those coming from lattice simulations.

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