Application of the Wang-Landau method to faceting phase transition

Details Application of the Wang-Landau method to faceting phase transition Application of the Wang-Landau method to faceting phase transition

2011-01-10

arxiv.org/abs/1101.1823v1

Physics

Condensed Matter

Statistical Mechanics

8 pages, 10 figures

Scientific paper

A simple solid-on-solid model of adsorbate-induced faceting is studied by using a modified Wang-Landau method. The phase diagram for this system is constructed by computing the density of states in a special two-dimensional energy space. A finite--size scaling analysis of transition temperature and specific heat shows that faceting transition is the first order phase transition. Logarithmic dependence of the mean-square width of the surface on system size indicates that surface is rough above the transition temperature.

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