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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…
cond-mat.str-el2019
Excitonic and lattice contributions to the charge density wave in 1T-TiSe revealed by a phonon bottleneck
Hamoon Hedayat, Charles J. Sayers, Davide Bugini +10
Understanding collective electronic states such as superconductivity and charge density waves is pivotal for fundamental science and applications. The layered transition metal dich…