Dynamical control of matter-wave tunneling in periodic potentials (Articolo in rivista)

Type
Label
  • Dynamical control of matter-wave tunneling in periodic potentials (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.99.220403 (literal)
Alternative label
  • Lignier, H; Sias, C; Ciampini, D; Singh, Y; Zenesini, A; Morsch, O; Arimondo, E (2007)
    Dynamical control of matter-wave tunneling in periodic potentials
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lignier, H; Sias, C; Ciampini, D; Singh, Y; Zenesini, A; Morsch, O; Arimondo, E (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/abstract/PRL/v99/i22/e220403 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 99 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Pisa, Dipartimento Fis E Fermi, CNR INFM, I-56127 Pisa, Italy (literal)
Titolo
  • Dynamical control of matter-wave tunneling in periodic potentials (literal)
Abstract
  • We report on measurements of dynamical suppression of interwell tunneling of a Bose-Einstein condensate (BEC) in a strongly driven optical lattice. The strong driving is a sinusoidal shaking of the lattice corresponding to a time-varying linear potential, and the tunneling is measured by letting the BEC freely expand in the lattice. The measured tunneling rate is reduced and, for certain values of the shaking parameter, completely suppressed. Our results are in excellent agreement with theoretical predictions. Furthermore, we have verified that, in general, the strong shaking does not destroy the phase coherence of the BEC, opening up the possibility of realizing quantum phase transitions by using the shaking strength as the control parameter. (literal)
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