Magnon Damping Minimum and Logarithmic Scaling in a Kondo-Heisenberg Model

Yuan Gao, Junsen Wang, Qiaoyi Li +3

Recently, an anomalous temperature evolution of spin wave excitations has been observed in a van der Waals metallic ferromagnet Fe${}_3$GeTe${}_2$ (FGT) [S. Bao, et al., Phys. Rev. X 1…