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cond-mat.other2022
Spurious Symmetry Enhancement and Interaction-Induced Topology in Magnons
Matthias Gohlke, Alberto Corticelli, Roderich Moessner +2
Linear spin wave theory (LSWT) is the standard technique to compute the spectra of magnetic excitations in quantum materials. In this paper, we show that LSWT, even under ordinary…
cond-mat.mes-hall2022★ 20 cited
Identifying, and constructing, complex magnon band topology
Alberto Corticelli, Roderich Moessner, Paul A. McClarty
Magnetically ordered materials tend to support bands of coherent propagating spin wave, or magnon, excitations. Topologically protected surface states of magnons offer a new path t…