Resonating bipolarons (Articolo in rivista)

Type
Label
  • Resonating bipolarons (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1209/epl/i2006-10125-6 (literal)
Alternative label
  • Julius Ranninger; Alfonso Romano (2006)
    Resonating bipolarons
    in Europhysics letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Julius Ranninger; Alfonso Romano (literal)
Pagina inizio
  • 461 (literal)
Pagina fine
  • 467 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0295-5075/75/3/461 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 75 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [J. Ranninger] Centre de Recherches sur les Très Basses Températures, Laboratoire Associé à l'Université Joseph Fourier, Centre National de la Recherche Scientifique, BP 166, F-38042 Grenoble Cédex 9, France; [A. Romano] Laboratorio Regionale SuperMat, CNR-INFM - Salerno, Italy, e Dipartimento di Fisica \"E. R. Caianiello\", Università di Salerno, I-84081 Baronissi (Salerno), Italy (literal)
Titolo
  • Resonating bipolarons (literal)
Abstract
  • Electrons coupled to local lattice deformations end up in self-trapped localized molecular states involving their binding into bipolarons when the coupling is stronger than a certain critical value. Below that value they exist as essentially itinerant electrons. We propose that the abrupt crossover between the two regimes can be described by resonant pairing similar to the Feshbach resonance in binary atomic collision processes. Given the intrinsically local nature of the exchange of pairs of itinerant electrons and localized bipolarons, we demonstrate the occurrence of such a resonance on a finite-size cluster made out of metallic atoms surrounding a polaronic ligand center. (literal)
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