Study of the topological Hall effect on simple models

Details Study of the topological Hall effect on simple models Study of the topological Hall effect on simple models

2006-04-24

arxiv.org/abs/cond-mat/0604545v1

Phys. Rev. B 74, 045327 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages, 7 figures, revtex4

Scientific paper

10.1103/PhysRevB.74.045327

Recently, a chirality-driven contribution to the anomalous Hall effect has been found that is induced by the Berry phase and does not directly involve spin-orbit coupling. In this paper, we will investigate this effect numerically in a two-dimensional electron gas with a simple magnetic texture model. Both the adiabatic and non-adiabatic regimes are studied, including the effect of disorder. By studying the transition between both regimes the discussion about the correct adiabaticity criterium in the diffusive limit is clarified.

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