2 papers
hep-th2005★ 5 cited
The phase diagram of the massive Gross-Neveu model, revisited
Oliver Schnetz, Michael Thies, Konrad Urlichs
The massive Gross-Neveu model is solved in the large N limit at finite temperature and chemical potential. The phase diagram features a kink-antikink crystal phase which was missed…
cond-mat.stat-mech2005★ 32 cited
On the mean-field spherical model
Michael Kastner, Oliver Schnetz
Exact solutions are obtained for the mean-field spherical model, with or without an external magnetic field, for any finite or infinite number N of degrees of freedom, both in the…