By Yuki Shiomi
This ebook offers an research of the anomalous and topological corridor results in a few itinerant ferromagnets and helimagnets via measurements of corridor results pushed through electric or warmth present. New clarifications are supplied for spin-dependent corridor results brought about by way of the Berry section, skew scattering, and scalar spin chirality.
The writer finds the scattering-free nature of the Berry-phase-induced anomalous corridor present via accomplishing the 1st comparative examine 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 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 kind 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 impression and Nernst–Ettingshausen impact is located to be completely different from that during corridor effect.
These effects should be worthwhile for functions of spin present to units with low energy consumption.
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Extra info for Anomalous and Topological Hall Effects in Itinerant Magnets
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