Anomalous Hall Effect in a 2D Rashba Ferromagnet

被引：45

作者：

Ado, I. A. ^{[1
]}

Dmitriev, I. A. ^{[2
,3
]}

Ostrovsky, P. M. ^{[2
,4
]}

Titov, M. ^{[1
]}

机构：

[1] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6525 AJ Nijmegen, Netherlands

[2] Max Planck Inst Solid State Res, Heisenbergstr 1, D-70569 Stuttgart, Germany

[3] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[4] LD Landau Inst Theoret Phys RAS, Moscow 119334, Russia

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

TOPOLOGICAL INSULATORS; SPIN; TORQUE; SEMIMETAL; SYMMETRY; FERMIONS;

D O I：

10.1103/PhysRevLett.117.046601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Skew scattering on rare impurity configurations is shown to dominate the anomalous Hall effect in a 2D Rashba ferromagnet. The mechanism originates in scattering on rare impurity pairs separated by distances of the order of the Fermi wavelength. The corresponding theoretical description goes beyond the conventional noncrossing approximation. The mechanism provides the only contribution to the anomalous Hall conductivity in the most relevant metallic regime and strongly modifies previously obtained results for lower energies in the leading order with respect to impurity strength.

引用

页数：5

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