横场Ising链的低温弛豫动力学
凝聚态物理
2016-08-31 v2
摘要
我们给出了量子临界点两侧低温(T)下d=1横场Ising模型类中实时间序参量关联的渐近精确结果。这些关联是由量子效应决定的T无关因子与来自经典理论的T依赖弛豫函数的乘积。我们通过与最近邻自旋-1/2模型的数值研究进行无自由参数比较，证实了我们的预测。
引用
@article{arxiv.cond-mat/9609185,
title = {Low temperature relaxational dynamics of the Ising chain in a transverse field},
author = {Subir Sachdev and A. P. Young},
journal= {arXiv preprint arXiv:cond-mat/9609185},
year = {2016}
}
备注
Final version to be published in Physical Review Letters. The postscript file is also available by anonymous ftp at ftp://chopin.ucsc.edu/pub/dynamics.ps.gz