Metal-insulator transition induced by random dipoles (Articolo in rivista)

Type
Label
  • Metal-insulator transition induced by random dipoles (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.88.013632 (literal)
Alternative label
  • Larcher, M.; Menotti, C.; Tanatar, B.; Vignolo, P. (2013)
    Metal-insulator transition induced by random dipoles
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Larcher, M.; Menotti, C.; Tanatar, B.; Vignolo, P. (literal)
Pagina inizio
  • 013632 (literal)
Pagina fine
  • 013632 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84881526691&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 88 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INO-CNR BEC Center, Dipartimento di Fisica, Università di Trento, 38123 Povo, Italy; Department of Physics, Bilkent University, Bilkent, 06800 Ankara, Turkey; Université de Nice - Sophia Antipolis, Institut Non Linéaire de Nice, CNRS, 1361 route des Lucioles, 06560 Valbonne, France (literal)
Titolo
  • Metal-insulator transition induced by random dipoles (literal)
Abstract
  • We study the localization properties of a test dipole feeling the disordered potential induced by dipolar impurities trapped at random positions in an optical lattice. This random potential is marked by correlations which are a convolution of short-range and long-range ones. We show that when short-range correlations are dominant, extended states can appear in the spectrum. Introducing long-range correlations, the extended states, if any, are wiped out and localization is restored over the whole spectrum. Moreover, long-range correlations can either increase or decrease the localization length at the center of the band, which indicates a richer behavior than previously predicted. (literal)
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