Anomalous Acoustic Plasmon Mode from Topologically Protected States

Jia, X.X.JiaZhang, S.S.ZhangSankar, R.R.SankarChou, F. C.F. C.ChouWang, W.W.WangKempa, K.K.KempaPlummer, E. W.E. W.PlummerZhang, J.J.ZhangZhu, X.X.ZhuGuo, J.J.Guo2020-04-212020-04-21201700319007https://scholars.lib.ntu.edu.tw/handle/123456789/484836Anomalous Acoustic Plasmon Mode from Topologically Protected Statesjournal article10.1103/PhysRevLett.119.136805