Transversal magnetotransport in Weyl semimetals: Exact numerical approach

Behrends, Jan; Kunst, Flore K.; Sbierski, Bjoern

doi:10.1103/PhysRevB.97.064203

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Transversal magnetotransport in Weyl semimetals: Exact numerical approach

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Behrends, Jan
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.064203
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Behrends, J., Kunst, F. K., & Sbierski, B. (2018). Transversal magnetotransport in Weyl semimetals: Exact numerical approach. Physical Review B, 97(6): 064203. doi:10.1103/PhysRevB.97.064203.

Cite as: https://hdl.handle.net/21.11116/0000-0000-DB8E-A

Abstract

Magnetotransport experiments on Weyl semimetals are essential for investigating the intriguing topological and low-energy properties of Weyl nodes. If the transport direction is perpendicular to the applied magnetic field, experiments have shown a large positive magnetoresistance. In this work we present a theoretical scattering matrix approach to transversal magnetotransport in a Weyl node. Our numerical method confirms and goes beyond the existing perturbative analytical approach by treating disorder exactly. It is formulated in real space and is applicable to mesoscopic samples as well as in the bulk limit. In particular, we study the case of clean and strongly disordered samples.