Optical N-plasmon: topological hydrodynamic excitations in graphene from repulsive Hall viscosity

Abstract Edge states occurring in Chern and quantum spin-Hall phases are signatures of the topological electronic band structure in two-dimensional (2D) materials. Recently, a new topological electromagnetic phase of graphene characterized by the optical N-invariant was proposed. Optical N-invariant...

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Veröffentlicht in:	New journal of physics 2023-11, Vol.25 (11)
Hauptverfasser:	Sun, Wenbo, Van Mechelen, Todd, Bharadwaj, Sathwik, Boddeti, Ashwin K., Jacob, Zubin
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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