Sr2IrO4 中反亚磁性域壁的时空迁移
强关联电子
2025-11-11 v1
摘要
通过激光泵浆-探测时间分辨相干磁性 X 射线衍射，我们在 100 K 测量了 Sr2IrO4 中反亚磁性域壁的迁移速度。在激光诱导去磁化过程中，我们观察到域壁以 m/s 速度迁移，显著快于声速。这被理解为源于纯电子自旋对磁结构的贡献，无需晶格耦合。
引用
@article{arxiv.2511.07359,
title = {Spatio-temporal migration of antiferromagnetic domain walls in Sr2IrO4},
author = {Ian Robinson and David Yang and Ross Harder and Dina Sheyfer and Longlong Wu and Jack Griffiths and Emil Bozin and Mark P. M. Dean and Jialun Liu and Hengdi Zhao and Gang Cao and Angel Rodriguez-Fernandez and Jan-Etienne Pudell and Roman Shayduk and James Wrigley and Alexey Zozulya and Rustam Rysov and Aliaksandr Leonau and Ulrike Boesenberg and Joerg Hallmann and Anders Madsen},
journal= {arXiv preprint arXiv:2511.07359},
year = {2025}
}