二维伊辛自旋玻璃中的共形不变性与SLE
无序系统与神经网络
2009-11-11 v3
摘要
我们提供了数值证据,表明共形场论技术可能适用于具有高斯键分布的二维伊辛自旋玻璃。我们证明,一种几何形状中的某些畴壁分布可以通过共形变换与另一种几何形状中的分布相关联。我们还提供了直接证据,表明畴壁是随机Loewner过程,其κ≈2.1。我们给出了一个论证,即它们的分形维数df与界面能量指数θ的关系为df-1=3/[4(3+θ)],这与通常引用的值df≈1.27和θ≈-0.28一致。
引用
@article{arxiv.cond-mat/0601711,
title = {Conformal Invariance and SLE in Two-Dimensional Ising Spin Glasses},
author = {C. Amoruso and A. K. Hartmann and M. B. Hastings and M. A. Moore},
journal= {arXiv preprint arXiv:cond-mat/0601711},
year = {2009}
}
备注
4 pages, 4 figures, changed title and discussion, additional discussion of Markov property; discussion of Markov property removed, discussion of statistics of driving function of Loewner map added, see also related work by Bernard, Le Doussal, and Middleton to appear soon