Real-time approach to the optical properties of solids and nanostructures: Time-dependent Bethe-Salpeter equation (Articolo in rivista)

Type
Label
  • Real-time approach to the optical properties of solids and nanostructures: Time-dependent Bethe-Salpeter equation (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.84.245110 (literal)
Alternative label
  • Attaccalite C., Grüning M., Marini A. (2011)
    Real-time approach to the optical properties of solids and nanostructures: Time-dependent Bethe-Salpeter equation
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Attaccalite C., Grüning M., Marini A. (literal)
Pagina inizio
  • 245110 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 84 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1103/PhysRevB.84.245110 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institut Néel, CNRS/UJF, 25 rue des Martyrs BP 166, FR-38042 Grenoble cedex 9, France Centre for Computational Physics and Physics Department, University of Coimbra, Rua Larga, PT-3004-516 Coimbra, Portugal European Theoretical Spectroscopy Facility, NAPS/IMCN, Université Catholique de Louvain, BE-1348 Louvain-la-Neuve, Belgium Istituto di Struttura della Materia (ISM), Consiglio Nazionale delle Ricerche, Via Salaria Km 29.5, CP 10, 00016 Monterotondo Stazione, Italy Ikerbasque, Basque Foundation for Science, ES-48011 Bilbao, Spain (literal)
Titolo
  • Real-time approach to the optical properties of solids and nanostructures: Time-dependent Bethe-Salpeter equation (literal)
Abstract
  • Many-body effects are known to play a crucial role in the electronic and optical properties of solids and nanostructures. Nevertheless, the majority of theoretical and numerical approaches able to capture the influence of Coulomb correlations are restricted to the linear response regime. In this work, we introduce an approach based on a real-time solution of the electronic dynamics. The proposed approach reduces to the well-known Bethe-Salpeter equation in the linear limit regime and it makes it possible, at the same time, to investigate correlation effects in nonlinear phenomena. We show the flexibility and numerical stability of the proposed approach by calculating the dielectric constants and the effect of a strong pulse excitation in bulk h-BN. (literal)
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