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Realization of an acoustic third-order topological insulator
Haoran Xue, Yahui Yang, Guigeng Liu +3
The recent discovery of higher-order topological insulators (TIs) has opened new possibilities in the search for novel topological materials and metamaterials. Second-order TIs hav…
Acoustic higher-order topological insulator on a Kagome lattice
Haoran Xue, Yahui Yang, Fei Gao +2
High-order topological insulators (TIs) are a family of recently-predicted topological phases of matter obeying an extended topological bulk-boundary correspondence principle. For…
Topological water wave state in a one-dimensional structure
Zhaoju Yang, Fei Gao, Baile Zhang
Topological concepts have been introduced into electronic, photonic, and phononic systems, but have not been studied in surface-water-wave systems. Here we study a one-dimensional…
Topological Acoustics
Zhaoju Yang, Fei Gao, Xihang Shi +4
The manipulation of acoustic wave propagation in fluids has numerous applications, including some in everyday life. Acoustic technologies frequently develop in tandem with optics,…