Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain
强关联电子
2009-10-31 v1 统计力学
摘要
We obtain the logarithmic corrections to the dynamic response function and NMR T_1 and T_{2G} rates in the spin-1/2 antiferromagnetic Heisenberg chain using perturbative renormalization group in the leading irrelevant operator. The result is compared with NMR experiments in Sr_2CuO_3.
引用
@article{arxiv.cond-mat/9904250,
title = {Temperature-dependent logarithmic corrections in the spin-1/2 Heisenberg chain},
author = {Victor Barzykin},
journal= {arXiv preprint arXiv:cond-mat/9904250},
year = {2009}
}