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physics.app-ph2026
Topological Rainbow Trapping for Spatial-frequency Demultiplexing of Underwater Acoustic Signals
Cheng Lin, Yangkai Liu, Tuo Liu +3
Efficient separation and localization of multifrequency acoustic waves are essential for underwater target recognition and acoustic energy harvesting. The underwater implementation…
physics.app-ph2026
Chiral Landau levels induced by two in-plane pseudomagnetic fields in underwater acoustic metamaterials
Jiao Shen, Zhiyong Chang, Xinzong Wang +6
The chiral zeroth Landau levels (LLs) constitute topologically protected bulk states that enable robust control of acoustic wave propagation. Given the central role of underwater a…