Gibbs measures of disordered lattice systems with unbounded spins

Yuri Kondratiev, Yuri Kozitsky, Tanja Pasurek

The Gibbs measures of a spin system on $Z^d$ with unbounded pair interactions $J_{xy}\sigma (x)\sigma (y)$ are studied. Here $⟨x,y⟩\in E$, i.e. $x$ and $y$ are neighbors in…