Dipolar-induced resonance for ultracold bosons in a quasi-one-dimensional optical lattice (Articolo in rivista)

Type
Label
  • Dipolar-induced resonance for ultracold bosons in a quasi-one-dimensional optical lattice (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.88.023603 (literal)
Alternative label
  • Bartolo, N.; Papoular, D. J.; Barbiero, L.; Menotti, C.; Recati, A. (2013)
    Dipolar-induced resonance for ultracold bosons in a quasi-one-dimensional optical lattice
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bartolo, N.; Papoular, D. J.; Barbiero, L.; Menotti, C.; Recati, A. (literal)
Pagina inizio
  • 023603 (literal)
Pagina fine
  • 023603 (literal)
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  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84883620534&partnerID=q2rCbXpz (literal)
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  • 88 (literal)
Rivista
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  • 6 (literal)
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Trento; University of Trento; Centre National de la Recherche Scientifique (CNRS); University of Padua; Centre National de la Recherche Scientifique (CNRS) (literal)
Titolo
  • Dipolar-induced resonance for ultracold bosons in a quasi-one-dimensional optical lattice (literal)
Abstract
  • We study the role of the dipolar-induced resonance (DIR) in a quasi-one-dimensional system of ultracold bosons. We first describe the effect of the DIR on two particles in a harmonic trap. Then, we consider a deep optical lattice loaded with ultracold dipolar bosons. In order to describe this system, we introduce a novel atom-dimer extended Bose-Hubbard model, which is the minimal model correctly accounting for the DIR. We analyze the impact of the DIR on the phase diagram at T = 0 by exact diagonalization of a small-sized system. We show that the DIR strongly affects this phase diagram. In particular, we predict the mass density wave to occur in a narrow domain corresponding to weak nearest-neighbor interactions, and we predict the occurrence of a collapse phase for stronger dipolar interactions. (literal)
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