Acoustic Realization of a Four-Dimensional Higher-Order Chern Insulator and Boundary-Modes Engineering - Chen, Ze-Guo; Zhu, Weiwei; Tan, Yang; Wang, Licheng; Ma, Guancong (Physical review. X, 2021)
Keywords: Acoustic insulation; Acoustics; Hyperspaces; Invariants; Lattice vibration; Physicists; Topological insulators; Topology; Wave functions