由微扰费米子得到的3D Ising模型及其他模型
统计力学
2012-11-08 v4 无序系统与神经网络
高能物理 - 理论
摘要
我们研究了N分量微扰费米子在D个时空维度上的模型。该模型在2<D<4维度中具有称为Sp{2N}{D}的红外稳定固定点。根据指数的比较,我们推测3D Wilson-Fisher固定点的临界指数可在Sp{-2N}{3}理论中计算。3D Ising模型对应于Sp{-2}{3}。beta指数与已知结果一致至千分之一精度,且在当前误差范围内。nu指数一致至1%,我们认为这是因为该指数仅计算到了1阶。
引用
@article{arxiv.cond-mat/0610817,
title = {3D Ising and other models from symplectic fermions},
author = {André LeClair},
journal= {arXiv preprint arXiv:cond-mat/0610817},
year = {2012}
}
备注
This paper has been withdrawn by the author since further work did not lend more support to the conjecture, rather to the contrary