Electron-Magnon Scattering in Anomalous Hall Effect

Details Electron-Magnon Scattering in Anomalous Hall Effect Electron-Magnon Scattering in Anomalous Hall Effect

2009-11-16

arxiv.org/abs/0911.3134v1

Physics

Condensed Matter

Materials Science

4 pages, 2 figures

Scientific paper

We study the role played by electron-magnon scattering in the anomalous Hall effect. We find that it has important contributions distinct from other scattering processes like impurities scattering and phonon scattering. As a demonstration, we calculate the Hall conductivity for a two dimensional Dirac model. The result indicates that as system control parameter varies, the competition between magnon scattering and other types of scattering changes the Hall conductivity drastically. In particular, the side jump contribution could acquire a strong temperature dependence.

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