Fig. 3: Topological nature of the anomalous contributions.
From: Anomalous Nernst effect in the topological and magnetic material MnBi4Te7
a Overview of the Anomalous Hall Effect: the anomalous transverse conductivity (\({\sigma }_{{{{\rm{xy}}}}}^{{{{\rm{A}}}}}\)) versus longitudinal electric conductivity (σxx) for some materials, spanning the extrinsic and intrinsic mechanisms. The MnBi4Te7 fall in the intrinsic region. Adapted from refs. 29,40. b Anomalous Nernst effect normalized to the magnetization value for various kinds of magnets. The conventional ferromagnets are depicted in red; the ferromagnetic Weyls Semimetals (FM WSMs) in blue and the antiferromagnetic Weyls Semimetals (AFM WSMs) in purple. Sxy/M for MnBi4Te7 is comparable to FM WSMs. Adapted from ref. 31.
