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Chiral Hall Effect in Noncollinear Magnets from a Cyclic Cohomology Approach by Lux, Fabian R.; Freimuth, Frank; BlÃ1⁄4gel, Stefan; Mokrousov, Yuriy is a Physics and Astronomy article available to read on EtoBox.
What is Chiral Hall Effect in Noncollinear Magnets from a Cyclic Cohomology Approach about?
We demonstrate the emergence of an anomalous Hall effect in chiral magnetic textures which is neither proportional to the net magnetization nor to the well-known emergent magnetic field that is responsible for the topological Hall effect. Instead, it appears already at linear order in the gradients of the magnetization texture and exists for one-dimensional magnetic textures such as domain walls and spin spirals. It receives a natural interpretation in the language of Alain Connes' noncommutative geometry. We show that this chiral Hall effect resembles the familiar topological Hall effect in essential properties while its phenomenology is distinctly different. Our findings make the reinterpretation of experimental data necessary, and offer an exciting twist in engineering the electrical transport through magnetic skyrmions.
Who reads Chiral Hall Effect in Noncollinear Magnets from a Cyclic Cohomology Approach?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Lux, Fabian R.; Freimuth, Frank; BlÃ1⁄4gel, Stefan; Mokrousov, Yuriy
- Publisher
- The American Physical Society; American Physical Society; American Physical Society (APS) (ISSN 0031-9007)
- Published
- 2020
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)