Anomalous Hall Effect in a 2D Rashba Ferromagnet
Abstract
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.
- Publication:
-
Physical Review Letters
- Pub Date:
- July 2016
- DOI:
- 10.1103/PhysRevLett.117.046601
- arXiv:
- arXiv:1511.07413
- Bibcode:
- 2016PhRvL.117d6601A
- Keywords:
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- Condensed Matter - Mesoscale and Nanoscale Physics;
- Condensed Matter - Disordered Systems and Neural Networks
- E-Print:
- 5 pages, 2 figures + 15 page supplementary information