Gruber, Christian; Griffiths, Robert B. - In: Physica A: Statistical Mechanics and its Applications 138 (1986) 1, pp. 220-230
The correlation inequalities of Fortuin, Kasteleyn, and Ginibre (FKG) are used in conjunction with those of Griffiths, Kelly, and Sherman (GKS) to demonstrate the existence of a ferromagnetic phase transition in a continuum fluid of classical particles carrying Ising-like spins and having...
