基于对称与反对称谷边缘态的声能谷输运

施斌杰, 贾鼎, 葛勇

Acoustic valley transport based on antisymmetric and symmetric valley edge states

Binjie Shi, Ding Jia, Yong Ge

图1 声子晶体结构(a)及其色散关系(b)，插图为第一布里渊区

Fig.1 (a) Structure and (b) dispersion relations of sonic crystals，and the inset in (b) is the 1st Brillouin zone