Skyrmion Strings and Anomalous Hall Effect in Double Exchange Systems

Details Skyrmion Strings and Anomalous Hall Effect in Double Exchange Systems Skyrmion Strings and Anomalous Hall Effect in Double Exchange Systems

2000-01-27

arxiv.org/abs/cond-mat/0001404v1

Phys. Rev. B. 63, 054421 (2001)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages including 3 figures

Scientific paper

10.1103/PhysRevB.63.054421

We perform Monte Carlo simulations to obtain quantitative results for the anomalous Hall resistance, R_A, observed in colossal magnetoresistance manganites. R_A arises from the interaction between the spin magnetization and topological defects via spin-orbit coupling. We study these defects and how they are affected by the spin-orbit coupling within the framework of the double exchange model. The obtained anomalous Hall resistance is, in sign, order of magnitude and shape, in agreement with experimental data.

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