http://www.cnr.it/ontology/cnr/individuo/prodotto/ID293941
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)
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- 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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