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Phys. Rev. Lett. 107, 106601 (2011) [5 pages]

Ab Initio Theory of the Scattering-Independent Anomalous Hall Effect

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Jürgen Weischenberg1, Frank Freimuth1, Jairo Sinova2, Stefan Blügel1, and Yuriy Mokrousov1
1Peter Grünberg Institut & Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, 52425 Jülich, Germany
2Department of Physics, Texas A&M University, College Station, Texas 77843-4242, USA

Received 25 April 2011; published 2 September 2011

We report on first-principles calculations of the side-jump contribution to the anomalous Hall conductivity (AHC) directly from the electronic structure of a perfect crystal. We implemented our approach for a short-range scattering disorder model within the density functional theory and computed the full scattering-independent AHC in elemental bcc Fe, hcp Co, fcc Ni, and L10 FePd and FePt alloys. The full AHC thus calculated agrees systematically with experiment to a degree unattainable so far, correctly capturing the previously missing elements of side-jump contributions, hence paving the way to a truly predictive theory of the anomalous Hall effect and turning it from a characterization tool to a probing tool of multiband complex electronic band structures.

© 2011 American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.107.106601
DOI:
10.1103/PhysRevLett.107.106601
PACS:
72.25.Ba, 71.70.Ej, 72.15.Eb