Thermodynamics of solitonic matter waves in a toroidal trap (Articolo in rivista)

Type
Label
  • Thermodynamics of solitonic matter waves in a toroidal trap (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Salasnich, L; Parola, A; Reatto, L (2006)
    Thermodynamics of solitonic matter waves in a toroidal trap
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salasnich, L; Parola, A; Reatto, L (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 74 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Milan, CNR, INFM, I-20133 Milan, Italy; Univ Milan, CNISM, I-20133 Milan, Italy; Univ Insubria, Dipartimento Matemat & Fis, I-22100 Como, Italy (literal)
Titolo
  • Thermodynamics of solitonic matter waves in a toroidal trap (literal)
Abstract
  • We investigate the thermodynamic properties of a Bose-Einstein condensate with negative scattering length confined in a toroidal trapping potential. By numerically solving the coupled Gross-Pitaevskii and Bogoliubov-de Gennes equations, we study the phase transition from the uniform state to the symmetry-breaking state characterized by a bright-soliton condensate and a localized thermal cloud. In the localized regime, three states with a finite condensate fraction are present: the thermodynamically stable localized state, a metastable localized state, and also a metastable uniform state. Remarkably, the presence of the stable localized state strongly increases the critical temperature of Bose-Einstein condensation. (literal)
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