Magnetotransport in manganites and the role of quantal phases I: Theory

Details Magnetotransport in manganites and the role of quantal phases I: Theory Magnetotransport in manganites and the role of quantal phases I: Theory

1999-04-22

arxiv.org/abs/cond-mat/9904331v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 1 figure; Companion Letter cond-mat/9904332

Scientific paper

A microscopic picture of charge transport in manganites is developed, with particular attention being paid to the neighborhood of the ferromagnet-to- paramagnet phase transition. The basic transport mechanism invoked is inelastically-assisted carrier hopping between states localized by magnetic disorder. In the context of the anomalous Hall effect, central roles are played by the Pancharatnam and spin-orbit quantal phases.

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