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Condensed Matter > Mesoscale and Nanoscale Physics
Title: Topological spin-torque in non-collinear anti-ferromagnetic 3Q state
(Submitted on 20 Apr 2024)
Abstract: We investigate the spin torque in the topological phase of the 3Q antiferromagnetic (AFM) configuration. We first obtain the band structure to identify the topology and nature of the different gaps of the system and then calculate the spin density in the whole system. We demonstrate the presence of a non-vanishing spin-torque component at the edge of the system and analyze its effect on the texture. Moreover, we show that the direction of the torque depends hugely on the way we cut the system to define the edge.
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