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112 papers · 1 filter
Towards twisted, topological, and quantum graphene plasmonics
A. Octávio Soares, Nuno M. R. Peres
In this article, we analyze the quantum and topological properties of graphene-based plasmonic systems. We consider the following plasmonic materials: single-layer graphene, twiste…
Screened topological plasmons in graphene plasmonic crystals
André Octávio Soares, Christos Tserkezis, N. M. R. Peres
We study topological effects in an one-dimensional plasmonic crystal formed by the screened plasmons emerging in a periodically modulated graphene sheet, placed on top of a metalli…
Plasmon polariton assisted second-harmonic generation in graphene
João M. Alendouro Pinho, Simão S. Cardoso, Yuliy V. Bludov +4
In this paper we present a theoretical examination of second-harmonic generation (SHG) in a graphene monolayer integrated within an attenuated total internal reflection (ATR) confi…
Two topological phases in exchange alternating spin-1 nanographene chains
João C. G. Henriques, Yelko del Castillo, Ricardo Segundo +2
Magnetic nanographenes are emerging as versatile building blocks for artificial spin lattices, enabling the exploration of flagship one-dimensional quantum-magnetism models with un…
Nonlocal electrodynamics of two-dimensional anisotropic magneto-plasmons
A. J. Chaves, Line Jelver, D. R. da Costa +3
We present a hydrodynamic model, grounded in Madelung's formalism, to describe collective electronic motion in anisotropic materials. This model incorporates nonlocal contributions…
Organic-Inorganic Polaritonics: Linking Frenkel and Wannier-Mott Excitons
V. G. M. Duarte, A. J. Chaves, N. M. R. Peres
In recent years, organic materials have emerged as promising candidates for a variety of light-harvesting applications ranging from the infrared to the visible regions of the elect…