Surface Tension, Surface Stiffness, and Surface Width of the 3-dimensional Ising Model on a Cubic Lattice
Martin Hasenbusch, Klaus Pinn
Abstract
We compute properties of the interface of the 3-dimensional Ising model for a wide range of temperatures and for interface extensions up to 64 by 64. The interface tension sigma is obtained by integrating the surface energy density over the inverse temperature beta. The surface stiffness coefficient kappa is determined. We also study universal quantities like xi2 sigma and xi2 kappa. The behavior of the interfacial width on lattices up to 512 times 512 times 27 is also investigated.
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