Ideal acoustic quantum spin Hall phase in a multi-topology platform

oleh: Xiao-Chen Sun, Hao Chen, Hua-Shan Lai, Chu-Hao Xia, Cheng He, Yan-Feng Chen

Format: Article
Diterbitkan: Nature Portfolio 2023-02-01

Deskripsi

Here the authors investigate a comprehensive topological phase diagram of bilayer hexagonal acoustic lattice, including ideal quantum spin Hall phase with gapless helical edge states. They realize a broadband topological slow wave.