Correlation Dynamics During a Slow Interaction Quench in a One-Dimensional Bose Gas (Articolo in rivista)

Type
Label
  • Correlation Dynamics During a Slow Interaction Quench in a One-Dimensional Bose Gas (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.112.065301 (literal)
Alternative label
  • Bernier, Jean-Sebastien; Citro, Roberta; Kollath, Corinna; Orignac, Edmond (2014)
    Correlation Dynamics During a Slow Interaction Quench in a One-Dimensional Bose Gas
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bernier, Jean-Sebastien; Citro, Roberta; Kollath, Corinna; Orignac, Edmond (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 112 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of British Columbia; University of Salerno; University of Salerno; University of Bonn; Ecole Normale Superieure (ENS) Lyon (literal)
Titolo
  • Correlation Dynamics During a Slow Interaction Quench in a One-Dimensional Bose Gas (literal)
Abstract
  • We investigate the response of a one-dimensional Bose gas to a slow increase of its interaction strength. We focus on the rich dynamics of equal-time single-particle correlations treating the Lieb-Liniger model within a bosonization approach and the Bose-Hubbard model using the time-dependent density-matrix renormalization group method. For short distances, correlations follow a power law with distance with an exponent given by the adiabatic approximation. In contrast, for long distances, correlations decay algebraically with an exponent understood within the sudden quench approximation. This long distance regime is separated from an intermediate distance one by a generalized Lieb-Robinson criterion. At long times, in this intermediate regime, bosonization predicts that single-particle correlations decay following a stretched exponential, an unconventional behavior. We develop here an intuitive understanding for the propagation of correlations, in terms of a generalized light cone, applicable to a large variety of systems and quench forms. (literal)
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