Acoustic analogues of three-dimensional topological insulators
oleh: Cheng He, Hua-Shan Lai, Bo He, Si-Yuan Yu, Xiangyuan Xu, Ming-Hui Lu, Yan-Feng Chen
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2020-05-01 |
Deskripsi
An acoustic analogue of a three-dimensional topological insulator (TI) has not been achieved, despite various realizations in other kinds of TIs. Here, the authors report a three-dimensional multi-order TI in an acoustic bilayer chiral structure, with robust surface or hinge sound transport.