Anomalous Acoustic Plasmon Mode from Topologically Protected States.
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DOI: 10.1103/physrevlett.119.136805
Abstract: Plasmons, the collective excitations of electrons in the bulk or at the surface, play an important role in the properties of materials, and have generated the field of "plasmonics." We report the observation of a… read more here.
Keywords: surface; topologically protected; plasmon mode; acoustic plasmon ... See more keywords