Download PDF by Yuki Shiomi: Anomalous and Topological Hall Effects in Itinerant Magnets

By Yuki Shiomi

ISBN-10: 4431543600

ISBN-13: 9784431543602

ISBN-10: 4431547088

ISBN-13: 9784431547082

This booklet provides an research of the anomalous and topological corridor results in a few itinerant ferromagnets and helimagnets via measurements of corridor results pushed by way of electric or warmth present. New clarifications are supplied for spin-dependent corridor results brought about through the Berry part, skew scattering, and scalar spin chirality.

The writer finds the scattering-free nature of the Berry-phase-induced anomalous corridor present by way of engaging in the 1st comparative research of electric and thermal corridor results. The impurity-element dependence of the anomalous corridor impact as a result of skew scattering is systematically investigated within the low-resistivity sector for Fe. new examples exhibiting a topological corridor impression are present in helimagnets, within which nonzero scalar spin chirality arises from the modulation of spin constitution via Dzyaloshinsky–Moriya (DM) interplay. this type of DM-interaction-mediated topological corridor impact is a brand new kind of topological corridor impact. additionally the temperature dependence of topological corridor phrases within the thermal corridor influence and Nernst–Ettingshausen impact is located to be completely different from that during corridor effect.

These effects can be priceless for purposes of spin present to units with low energy consumption.

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Anomalous and Topological Hall Effects in Itinerant Magnets (Springer Theses) by Yuki Shiomi

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