Chang, C.W.C.W.ChangOkawa, D.D.OkawaGarcia, H.H.GarciaMajumdar, A.A.MajumdarZettl, A.A.Zettl2020-05-222020-05-22200700319007https://scholars.lib.ntu.edu.tw/handle/123456789/494297Nanotube phonon waveguidejournal article10.1103/PhysRevLett.99.045901