This is the second of two papers on a continuum version of the Potts model, where particles are points in Rd , d ≥ 2, with a spin which may take S ≥ 3 possible values. Particles with different spins repel each other via a Kac pair potential of range γ −1, γ >0. In this paper we prove phase transition, namely we prove that if the scaling parameter of the Kac potential is suitably small, given any temperature there is a value of the chemical potential such that at the given temperature and chemical potential there exist S +1 mutually distinct DLR measures.
|Titolo:||Coexistence of ordered and disordered phases in Potts models in the continuum|
|Data di pubblicazione:||2009|
|Appare nelle tipologie:||1.1 Articolo in rivista|