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cond-mat.mes-hall2025
Topological Magnon-Plasmon Hybrids
Tomoki Hirosawa, Pieter M. Gunnink, Alexander Mook
We study magnon-plasmon coupling in effectively two-dimensional stacks of van der Waals layers in the context of the band structure topology. Invoking the quasiparticle approximati…
cond-mat.str-el2025
Vortex Crystals in Tetrahedral Antiferromagnets: Fractional Charges and Topological Magnons
Tomoki Hirosawa, Alexander Mook, Maria Azhar
We report the formation of a vortex crystal in the tetrahedral antiferromagnetic order on a triangular lattice. The noncoplanar tetrahedral state consists of four su…