Localization in momentum space of ultracold atoms in incommensurate lattices (Articolo in rivista)

Type
Label
  • Localization in momentum space of ultracold atoms in incommensurate lattices (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.83.013624 (literal)
Alternative label
  • Larcher M. [ 1,2 ] ; Modugno M. [ 3,4 ] ; Dalfovo F. [ 1,2 ] (2011)
    Localization in momentum space of ultracold atoms in incommensurate lattices
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Larcher M. [ 1,2 ] ; Modugno M. [ 3,4 ] ; Dalfovo F. [ 1,2 ] (literal)
Pagina inizio
  • 013624 (literal)
Pagina fine
  • 013624 (literal)
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  • 83 (literal)
Rivista
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  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Ist Nazl Ott, CNR, BEC Ctr, I-38123 Povo, Italy [ 2 ] Univ Trent, Dipartimento Fis, I-38123 Povo, Italy [ 3 ] Univ Basque Country, Dept Theoret Phys & Hist Sci, Bilbao 48080, Spain [ 4 ] Basque Fdn Sci, IKERBASQUE, Bilbao 48011, Spain (literal)
Titolo
  • Localization in momentum space of ultracold atoms in incommensurate lattices (literal)
Abstract
  • We characterize the disorder-induced localization in momentum space for ultracold atoms in one-dimensional incommensurate lattices, according to the dual Aubry-Andre model. For low disorder the system is localized in momentum space, and the momentum distribution exhibits time-periodic oscillations of the relative intensity of its components. The behavior of these oscillations is explained by means of a simple three-mode approximation. We predict their frequency and visibility by using typical parameters of feasible experiments. Above the transition the system diffuses in momentum space, and the oscillations vanish when averaged over different realizations, offering a clear signature of the transition. (literal)
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