Anomalous Hall effect in a two-dimensional electron gas with spin-orbit interaction

被引：90
|
作者：
Dugaev, VK [1 ]
Bruno, P
Taillefumier, M
Canals, B
Lacroix, C
机构：
[1] Max Planck Inst Mikrostrukturphys, D-06120 Halle An Der Saale, Germany
[2] Univ Tecn Lisboa, Dept Phys, Inst Super Tecn, P-1049001 Lisbon, Portugal
[3] Univ Tecn Lisboa, CFIF, Inst Super Tecn, P-1049001 Lisbon, Portugal
[4] CNRS, Lab Louis Neel, F-38042 Grenoble, France
来源：
PHYSICAL REVIEW B | 2005年 / 71卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.71.224423
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We discuss the mechanism of anomalous Hall effect related to the contribution of electron states below the Fermi surface (induced by the Berry phase in momentum space). Our main calculations are made within a model of two-dimensional electron gas with spin-orbit interaction of the Rashba type, taking into account the scattering from impurities. We demonstrate that such an "intrinsic" mechanism can dominate but there is a competition with the impurity-scattering mechanism, related to the contribution of states in the vicinity of the Fermi surface. We also show that the contribution to the Hall conductivity from electron states close to the Fermi surface has the intrinsic properties as well.
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页数：8
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