Interaction-induced quantum ratchet in a Bose-Einstein condensate (Articolo in rivista)

Type
Label
  • Interaction-induced quantum ratchet in a Bose-Einstein condensate (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Poletti, D; Benenti, G; Casati, G; Li, B (2007)
    Interaction-induced quantum ratchet in a Bose-Einstein condensate
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Poletti, D; Benenti, G; Casati, G; Li, B (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 76 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore; Natl Univ Singapore, Ctr Computat Sci & Engn, Singapore 117542, Singapore; Univ Studi Insubria, CNISM, CNR, INFM, I-22100 Como, Italy; Univ Studi Insubria, Ctr Nonlinear & Complex Syst, I-22100 Como, Italy; Sez Milano, Inst Nazl Fis Nucl, I-20133 Milan, Italy; Nanjing Univ, Lab Modern Acoust, Nanning 210093, Peoples R China; Nanjing Univ, Inst Acoust, Nanning 210093, Peoples R China; NUS Grad Sch Integrat Sci & Engn, Singapore 117597, Singapore (literal)
Titolo
  • Interaction-induced quantum ratchet in a Bose-Einstein condensate (literal)
Abstract
  • We study the dynamics of a dilute Bose-Einstein condensate confined in a toroidal trap and exposed to a pair of periodically flashed optical lattices. We first prove that in the noninteracting case this system can present a quantum symmetry which forbids the ratchet effect classically expected. We then show how many-body atom-atom interactions, treated within the mean-field approximation, can break this quantum symmetry, thus generating directed transport. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it