4 papers
Magnon-Driven Anomalous Hall Effect in Altermagnets
Zheng Liu, Yang Gao, Qian Niu
We propose a magnon-driven anomalous Hall effect in altermagnets, arising from the coupling between coherently excited chiral magnons and chiral electronic motion. Using density-ma…
Rigid-Body Anisotropy in Noncollinear Antiferromagnets
Zheng Liu, Yang Gao, Qian Niu
Characterizing the anisotropic structure in noncollinear antiferromagnets is essential for antiferromagnetic spintronics. In this work, we provide a microscopic theory linking the…
Orthogonal Geometry of Magneto-Optical Kerr Effect Enabled by Magnetization Multipole of Berry Curvature
Haolin Pan, Han Li, Jixiang Huang +17
The Magneto-Optical Kerr Effect (MOKE) is a fundamental tool in magnetometry, pivotal for advancing research in optics, magnetism, and spintronics as a direct probe of magnetizatio…
Multipolar Anisotropy in Anomalous Hall Effect from Spin-Group Symmetry Breaking
Zheng Liu, Mengjie Wei, Dazhi Hou +2
Traditional view of the anomalous Hall effect~(AHE) in ferromagnets is that it arises from the magnetization perpendicular to the measurement plane and that there is a linear depen…