Monte Carlo study of the hull distribution for the q=1 Brauer model

Abstract

We study a special case of the Brauer model in which every path of the model has weight q=1. The model has been studied before as a solvable lattice model and can be viewed as a Lorentz lattice gas. The paths of the model are also called self-avoiding trails. We consider the model in a triangle with boundary conditions such that one of the trails must cross the triangle from a corner to the opposite side. Motivated by similarities between this model, SLE(6) and critical percolation, we investigate the distribution of the hull generated by this trail (the set of points on or surrounded by the trail) up to the hitting time of the side of the triangle opposite the starting point. Our Monte Carlo results are consistent with the hypothesis that for system size tending to infinity, the hull distribution is the same as that of a Brownian motion with perpendicular reflection on the boundary.

21 pages, 9 figures

References in corpus (3)

• An introduction to the dimer model
• Reflected planar Brownian motions, intertwining relations and crossing probabilities
• Critical Percolation Exploration Path and SLE(6): a Proof of Convergence

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