Optical magnons with dominant bond-directional exchange interactions in the honeycomb lattice iridate α−Li2IrO3RemoveSae Hwan Chun, P. Peter Stavropoulos, Hae-Young Kee, M. Moretti Sala, Jungho Kim, Jong-Woo Kim, B. J. Kim, J. F. Mitchell, and Young-June KimPhys. Rev. B 103, L020410 (2021)
