二维海森堡模型中的自旋关联函数与奈尔序:空间各向异性的影响
强关联电子
2009-10-31 v1
摘要
采用格林函数投影方法研究了具有空间各向异性耦合的平方晶格自旋-1/2海森堡反铁磁体的基态性质。计算了交错磁化强度和两自旋关联子;并与上的实验比较,讨论了磁长程序与短程序的竞争。
引用
@article{arxiv.cond-mat/9910094,
title = {Spin correlation functions and N\'{e}el order in the 2D Heisenberg model: Effects of spatial anisotropy},
author = {C. Schindelin and D. Ihle and S. -L. Drechsler and H. Fehske},
journal= {arXiv preprint arXiv:cond-mat/9910094},
year = {2009}
}
备注
2 pages, 2 figues, Proceedings Yamada Conference on Strongly Correlated Electron Systems, Nagano, Japan 1999