Surface critical behavior of two-dimensional dilute Ising models
Disordered Systems and Neural Networks
2009-10-30 v1 Statistical Mechanics
Abstract
Ising models with nearest-neighbor ferromagnetic random couplings on a square lattice with a (1,1) surface are studied, using Monte Carlo techniques and star-tiangle transformation method. In particular, the critical exponent of the surface magnetization is found to be close to that of the perfect model, beta_s=1/2. The crossover from surface to bulk critical properties is discussed.
Cite
@article{arxiv.cond-mat/9707336,
title = {Surface critical behavior of two-dimensional dilute Ising models},
author = {W. Selke and F. Szalma and P. Lajko and F. Igloi},
journal= {arXiv preprint arXiv:cond-mat/9707336},
year = {2009}
}
Comments
6 pages in RevTex, 3 ps figures, to appear in Journal of Stat. Phys