利用激发能隙表征三角晶格反铁磁体
强关联电子
2021-06-02 v3
摘要
CeCdAs是一种具有大层间分离的稀土三角晶格反铁磁体。我们在稀释制冷机温度下的场依赖热容测量使我们能够追踪反铁磁和顺磁区域中自旋激发能隙的场演化。独特的能隙演化对微观赝自旋模型施加了强约束,作为回报,该模型给出了能隙行为的密切定量描述。该分析为理解CeCdAs磁态的本质提供了关键见解,其关于条纹序和低能模型参数的确定性,为探索和认识快速增长的稀土基三角晶格系统家族树立了引人注目的范式。
引用
@article{arxiv.2102.02818,
title = {Fingerprinting Triangular-Lattice Antiferromagnet by Excitation Gaps},
author = {K. E. Avers and P. A. Maksimov and P. F. S. Rosa and S. M. Thomas and J. D. Thompson and W. P. Halperin and R. Movshovich and A. L. Chernyshev},
journal= {arXiv preprint arXiv:2102.02818},
year = {2021}
}
备注
Main Text: 6 pages, 3 figures SM: 19 pages, 23 figures Some clarifications are made relative to previous version