Download e-book for kindle: Anomalous and Topological Hall Effects in Itinerant Magnets by Yuki Shiomi

By Yuki Shiomi

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

The writer finds the scattering-free nature of the Berry-phase-induced anomalous corridor present via engaging in the 1st comparative examine of electric and thermal corridor results. The impurity-element dependence of the anomalous corridor influence as a result of skew scattering is systematically investigated within the low-resistivity zone 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 sort of DM-interaction-mediated topological corridor influence is a brand new form of topological corridor impact. additionally the temperature dependence of topological corridor phrases within the thermal corridor impression and Nernst–Ettingshausen impact is located to be different from that during corridor effect.

These effects should be priceless for functions of spin present to units with low strength consumption.

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

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


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