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Open AccessHigher-order topological transport protected by boundary Chern number in phononic crystals
Topological pumps enable robust transports of topological states when the system parameters are varied in a cyclic process. The reported topological pumps are protected by the bulk topology. However, the explo...
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Open AccessObservation of geometry-dependent skin effect in non-Hermitian phononic crystals with exceptional points
Exceptional points and skin effect, as the two distinct hallmark features unique to the non-Hermitian physics, have each attracted enormous interests. Recent theoretical works reveal that the topologically non...
