kagome 反铁磁体中 1/3 磁化平台的自洽自旋波分析
强关联电子
2016-06-23 v1
摘要
我们提出了一种改进的自旋波理论，用于研究 kagome 格子上反铁磁 Heisenberg 模型的 1/3 磁化平台。通过自洽地引入量子修正，对于所有自旋量子数 S，1/3 平台在很宽的磁场范围内均得以稳定。临界磁场的值和磁化平台的宽度与近期精确对角化和无限投影纠缠对态的数值结果完全一致。
引用
@article{arxiv.1606.06924,
title = {Self-consistent spin-wave analysis of the 1/3 magnetization plateau in the kagome antiferromagnet},
author = {Zhong-Chao Wei and Hai-Jun Liao and Jing Chen and Hai-Dong Xie and Zhi-Yuan Liu and Zhi-Yuan Xie and Wei Li and Bruce Normand and Tao Xiang},
journal= {arXiv preprint arXiv:1606.06924},
year = {2016}
}
备注
5 pages, 4 figures, accepted in Chinese Physics Letters