kagome晶格上自旋1/2随机键海森堡反铁磁体中的量子自旋液体行为
强关联电子
2015-08-18 v2 统计力学
摘要
通过精确对角化方法研究了淬火键无序对kagome晶格上反铁磁海森堡模型有序化的影响。当无序超过临界值时，模型的基态在非磁态内发生转变，进入与无序相关的无能隙自旋液体态。讨论了该结果对S=1/2 kagome晶格反铁磁体herbertsmithite的意义。
引用
@article{arxiv.1408.0606,
title = {Quantum spin-liquid behavior in the spin-1/2 random-bond Heisenberg antiferromagnet on the kagome lattice},
author = {Hikaru Kawamura and Ken Watanabe and Tokuro Shimokawa},
journal= {arXiv preprint arXiv:1408.0606},
year = {2015}
}
备注
Slight modifications in the text, two references added. To appear in J. Phys. Soc. Jpn