Finite temperature correlation function for one-dimensional Quantum Ising model: the virial expansion
统计力学
2009-11-11 v1 强关联电子
数学物理
math.MP
摘要
We rewrite the exact expression for the finite temperature two-point correlation function for the magnetization as a partition function of some field theory. This removes singularities and provides a convenient form to develop a virial expansion (the expansion in powers of soliton density).
引用
@article{arxiv.cond-mat/0605040,
title = {Finite temperature correlation function for one-dimensional Quantum Ising model: the virial expansion},
author = {S. A. Reyes and A. M. Tsvelik},
journal= {arXiv preprint arXiv:cond-mat/0605040},
year = {2009}
}
备注
4 pages, 1 figure