Signature of antiferromagnetic long-range order in the optical spectrum of strongly correlated electron systems (Articolo in rivista)

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  • Signature of antiferromagnetic long-range order in the optical spectrum of strongly correlated electron systems (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.85.085124 (literal)
Alternative label
  • Taranto, C.; Sangiovanni, G.; Held. K.; Capone, M.; Georges, A.; Toschi, A. (2012)
    Signature of antiferromagnetic long-range order in the optical spectrum of strongly correlated electron systems
    in Physical review. B, Condensed matter and materials physics; APS, American physical society, College Park, MD (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Taranto, C.; Sangiovanni, G.; Held. K.; Capone, M.; Georges, A.; Toschi, A. (literal)
Pagina inizio
  • 085124 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prb.aps.org/abstract/PRB/v85/i8/e085124 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 85 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1Institute for Solid State Physics, Vienna University of Technology, A-1040 Vienna, Austria 2Democritos National Simulation Center, Consiglio Nazionale delle Ricerche, Istituto Officina dei Materiali (IOM) and Scuola Internazionale Superiore di Studi Avanzati (SISSA), Via Bonomea 265, I-34136 Trieste, Italy 3Centre de Physique Théorique, Ecole Polytechnique, CNRS, F-91128 Palaiseau Cedex, France 4Collège de France, 11 place Marcelin Berthelot, F-75005 Paris, France 5DPMC, Université de Genève, 24 quai Ernest Ansermet, CH-1211 Genève, Switzerland (literal)
Titolo
  • Signature of antiferromagnetic long-range order in the optical spectrum of strongly correlated electron systems (literal)
Abstract
  • We show how the onset of a non-Slater antiferromagnetic ordering in a correlated material can be detected by optical spectroscopy. Using dynamical mean-field theory we identify two distinctive features: The antiferromagnetic ordering is associated with an enhanced spectral weight above the optical gap, and well-separated spin-polaron peaks emerge in the optical spectrum. Both features are indeed observed in LaSrMnO4 [ A. Gössling et al. Phys. Rev. B 77 035109 (2008)]. (literal)
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