扩展各向异性一维 Heisenberg 模型的遍历性:低温响应
强关联电子
2007-06-13 v1 软凝聚态物质
摘要
我们给出了具有周期边界条件的线性链上各向异性扩展 Heisenberg 模型的孤立(on-site)与等温静态磁化率的精确对角化计算结果。基于遍历性考虑,我们得出结论:在系统相图的两个非遍历区域内,无论对于有限团簇还是体系统,当 时等温磁化率都会发散。
引用
@article{arxiv.0706.1711,
title = {Ergodicity of the extended anisotropic 1D Heisenberg model: response at low temperatures},
author = {Evgeny Plekhanov and Adolfo Avella and Ferdinando Mancini},
journal= {arXiv preprint arXiv:0706.1711},
year = {2007}
}
备注
reported at the International Conference on Magnetism, August 20-25, 2006 Kyoto, Japan