Magnetic Textures and Dynamics in Magnetic Weyl Semimetals. Issue 2 (14th October 2019)

• Record Type: Journal Article
• Authors: Araki, Yasufumi
• Other Names: Balatsky Alexander V. guestEditor.; Haraldsen Jason T. guestEditor.; Black‐Schaffer Annica M. guestEditor.; Pertsova Anna guestEditor.; Hofmann Philip guestEditor.
• Is Part Of: Annalen der Physik. Volume 532:Issue 2(2020)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2019-10-14
• Subjects: axial electromagnetic field -- magnetic domain wall -- magnetic texture -- spintronics -- Weyl semimetal; Physics -- Periodicals; Chemistry -- Periodicals; 530.05
• DOI: 10.1002/andp.201900287
• Languages: English
• ISSNs: 0003-3804

Abstract

Abstract: Recent theoretical and experimental attempts have been successful in finding magnetic Weyl semimetal phases, which show nodal‐point structure in the electronic bands as well as magnetic orders. Beyond uniform ferromagnetic or antiferromagnetic orders, nonuniform magnetic textures, such as domain walls and skyrmions, enrich the properties of the Weyl electrons even more in such materials. Here, a topical review on interplay between Weyl electrons and magnetic textures in those magnetic Weyl semimetals is given. The basics of magnetic textures in nontopological magnetic metals are reviewed first, and then the effect of magnetic textures in Weyl semimetals is discussed, regarding the recent theoretical and experimental progress therein. The idea of the fictitious "axial gauge fields" is pointed out, which effectively describes the effect of magnetic textures on the Weyl electrons and can well account for the properties of the electrons localized around magnetic domain walls. Abstract : Interplay between Weyl electrons and nonuniform magnetic textures in magnetic Weyl semimetals is reviewed. The key idea is the fictitious "axial gauge fields, " which effectively describes the influence of magnetic textures on the Weyl electrons, modifying the electronic spectra and transport properties. The effect of magnetic domain walls is discussed as an example.