NMR relaxation in half-integer antiferromagnetic spin chains
凝聚态物理
2009-10-22 v1
摘要
Nuclear relaxation in half-integer spin chains at low temperatures (T << J, the antiferromagnetic exchange constant) is dominated by dissipation from a gas of thermally-excited, overdamped, spinons. The universal low temperature dependence of the relaxation rates and is computed.
引用
@article{arxiv.cond-mat/9411079,
title = {NMR relaxation in half-integer antiferromagnetic spin chains},
author = {Subir Sachdev},
journal= {arXiv preprint arXiv:cond-mat/9411079},
year = {2009}
}
备注
7 pages, 1 uuencoded postscript figure appended