畸变金刚石自旋链的量子相变
强关联电子
2020-04-22 v1
摘要
利用有限尺寸团簇的数值对角化和能级谱分析，研究了适用于alumoklyuchevskite的畸变金刚石链晶格上的受阻挫量子自旋系统。发现该模型表现出三种量子相：取决于交换耦合参数的铁磁相、自旋能隙相和无能隙Tomonaga-Luttinger液体。给出了基态相图。
引用
@article{arxiv.1911.06539,
title = {Quantum Phase Transitions of the Distorted Diamond Spin Chain},
author = {Tomosuke Zenda and Yuta Tachibana and Yuki Ueno and Kiyomi Okamoto and Tôru Sakai},
journal= {arXiv preprint arXiv:1911.06539},
year = {2020}
}
备注
to be published in JPS Conf. Ser