Incommmensurability and unconventional superconductor to insulator transition in the hubbard model with bond-charge interaction (Articolo in rivista)

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  • Incommmensurability and unconventional superconductor to insulator transition in the hubbard model with bond-charge interaction (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.99.206401 (literal)
Alternative label
  • Aligia, A.A.; Anfossi, A.; Arrachea, L.; Degli Esposti Boschi, C.; Dobry, A.O.; Gazza, C.; Montorsi, A.; Ortolani, F.; Torio, M.E. (2007)
    Incommmensurability and unconventional superconductor to insulator transition in the hubbard model with bond-charge interaction
    in Physical review letters (Print); APS, American physical society, College Park, MD (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Aligia, A.A.; Anfossi, A.; Arrachea, L.; Degli Esposti Boschi, C.; Dobry, A.O.; Gazza, C.; Montorsi, A.; Ortolani, F.; Torio, M.E. (literal)
Pagina inizio
  • 206401-1 (literal)
Pagina fine
  • 206401-4 (literal)
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  • 99 (literal)
Rivista
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  • 4 (literal)
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  • 20 (literal)
Note
  • Google Scholar (literal)
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Comisión Nacional de Energía Atómica, Centro Atómico Bariloche, Instituto Balseiro, 8400 S.C. de Bariloche, Argentina Dipartimento di Fisica del Politecnico, CNISM, corso Duca degli Abruzzi 24, I-10129, Torino, Italy BIFI, Universidad de Zaragoza, Corona de Aragón 42, 5009 Zaragoza, Spain Departamento de Física de la Materia Condensada, Universidad de Zaragoza, 5009 Zaragoza, Spain Unità CNISM, Dipartimento di Fisica, Università di Bologna, viale Berti-Pichat 6/2, I-40127, Bologna, Italy Instituto de Física Rosario, CONICET-UNR, Bv. 27 de Febrero 210 bis, 2000 Rosario, Argentina Dipartimento di Fisica, Università di Bologna, INFN, viale Berti-Pichat 6/2, I-40127, Bologna, Italy (literal)
Titolo
  • Incommmensurability and unconventional superconductor to insulator transition in the hubbard model with bond-charge interaction (literal)
Abstract
  • We determine the quantum phase diagram of the one-dimensional Hubbard model with bond-charge interaction X in addition to the usual Coulomb repulsion U > 0 at half-filling. For large enough X < t the model shows three phases. For large U the system is in the spin-density wave phase as in the usual Hubbard model. As U decreases, there is first a spin transition to a spontaneously dimerized bond-ordered wave phase and then a charge transition to a novel phase in which the dominant correlations at large distances correspond to an incommensurate singlet superconductor. (literal)
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