First-order magnetic transition in frustrated kagome lattice antiferromagnet associated with quantum fluctuations
强关联电子
2025-11-14 v1
摘要
由于几何约束导致的 kagome 晶格磁性体系中产生的强烈量子涨落，为实现特殊量子态提供了可行途径。本文记录了最近合成的受几何约束的 kagome 晶格反磁性体 Nd3ScBi5 中出现的意外等构态的一级磁相变。这一现象以显著潜热和显著磁热效应为特征，伴随着离散的拉曼位移和可忽略的滞后现象。通过将磁热效应作为检测方法，结合系统化的场依赖物理性质，我们发现一种具有显著量子涨落的独特的 1/2 磁化平台相。我们的研究将 Nd3ScBi5 确立为一个典型模型，揭示了由一级磁相变触发的量子涨落增强相。
引用
@article{arxiv.2511.09860,
title = {Quantum fluctuations associated with first-order magnetic transition in a frustrated kagome lattice antiferromagnet},
author = {Zhongchen Xu and Xinyang Liu and Cuiwei Zhang and Shuai Zhang and Feng Jin and Junsen Xiang and Quansheng Wu and Xianmin Zhang and Peijie Sun and Youguo Shi},
journal= {arXiv preprint arXiv:2511.09860},
year = {2025}
}
备注
13+20 pages, 6+12 figures. Submitted to Physical Review B