Dzyaloshinskii-Moriya interaction in absence of spin-orbit coupling

17 Mar 2020 Cardias Ramon Bergman Anders Szilva Attila Kvashnin Yaroslav O. Fransson Jonas Klautau Angela B. Eriksson Olle Nordström Lars

In contrast to conventional assumptions, we show that the Dzyaloshinskii-Moriya interaction can be of non-relativistic origin, in particular in materials with a non-collinear magnetic configuration, where non-relativistic contributions can dominate over spin-orbit effects. The weak antiferromagnetic phase of Mn$_{3}$Sn is used to illustrate these findings... (read more)

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