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cond-mat.mes-hall2020
Topological states between inversion symmetric atomic insulators
Ana Silva, Jasper van Wezel
One of the hallmarks of topological insulators is the correspondence between the value of its bulk topological invariant and the number of topologically protected edge modes observ…
cond-mat.mes-hall2019
Observation of non-Hermitian topology and its bulk-edge correspondence in an active mechanical metamaterial
Ananya Ghatak, Martin Brandenbourger, Jasper van Wezel +1
Topological edge modes are excitations that are localized at the materials' edges and yet are characterized by a topological invariant defined in the bulk. Such bulk-edge correspon…