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

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.

Bibliographic Details
Main Authors: Xiao-Chen Sun, Hao Chen, Hua-Shan Lai, Chu-Hao Xia, Cheng He, Yan-Feng Chen
Format: Article
Language:English
Published: Nature Portfolio 2023-02-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-023-36511-2