Dimensional hierarchy of higher-order topology in three-dimensional sonic crystals
oleh: Xiujuan Zhang, Bi-Ye Xie, Hong-Fei Wang, Xiangyuan Xu, Yuan Tian, Jian-Hua Jiang, Ming-Hui Lu, Yan-Feng Chen
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2019-11-01 |
Deskripsi
Here, the authors report the experimental discovery of such a dimensional hierarchy of the topologically-protected 2D surface states, 1D hinge states and 0D corner states in a single 3D acoustic system by using higher-order topological sonic crystals.