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This paper is devoted to the 8-vertex model and its edge correlation function. In some particular (integrable) cases, we find a closed form of the edge correlation function and we deduce also its asymptotics. In addition, we quantify influence of boundary conditions on this function.
To do this, we introduce a system of particles in interaction related to the 8-vertex model. This system, studied using various tools fromanalytic combinatorics, random walks and conics, permits to compute the correlation function. To study the influence of boundary conditions, we involve probabilistic cellular automata of order 2.
Cite this article
Jérôme Casse, Edge correlation function of the 8-vertex model when . Ann. Inst. Henri Poincaré Comb. Phys. Interact. 5 (2018), no. 4, pp. 557–619DOI 10.4171/AIHPD/63