Numerical study of Schramm-Loewner Evolution in the random 3-state Potts model

Details Numerical study of Schramm-Loewner Evolution in the random 3-state Potts model Numerical study of Schramm-Loewner Evolution in the random 3-state Potts model

2010-06-18

arxiv.org/abs/1006.3716v1

Journal of Statistical Mechanics: Theory and Experiment (2010) P08004

Physics

Condensed Matter

Statistical Mechanics

11 pages

Scientific paper

10.1088/1742-5468/2010/08/P08004

We have numerically studied the properties of the interface induced in the ferromagnetic random-bond three-state Potts model by symmetry-breaking boundary conditions. The fractal dimension $d_f$ of the interface was determined. The corresponding SLE parameter $\kappa$ was estimated to be $\kappa\simeq 3.18(6)$, compatible with previous estimate. On the other hand, we estimated $\kappa$ independently from the probability of passage of the interface at the left of a given point. The numerical data are well reproduced by the Schramm theoretical prediction and the fit leads to $\kappa\simeq 3.245(10)$, in agreement with the first estimate. This provides evidences that the geometric properties of spin interfaces in the random 3-state Potts model may be described by chordal ${\rm SLE}_\kappa$.

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