Localized modes in quasi-two-dimensional Bose-Einstein condensates with spin-orbit and Rabi couplings (Articolo in rivista)

Type
Label
  • Localized modes in quasi-two-dimensional Bose-Einstein condensates with spin-orbit and Rabi couplings (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.90.033629 (literal)
Alternative label
  • Salasnich, Luca; Cardoso, Wesley B.; Malomed, Boris A. (2014)
    Localized modes in quasi-two-dimensional Bose-Einstein condensates with spin-orbit and Rabi couplings
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salasnich, Luca; Cardoso, Wesley B.; Malomed, Boris A. (literal)
Pagina inizio
  • 033629 (literal)
Pagina fine
  • 033629 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 90 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Fisica e Astronomia Galileo Galilei, CNISM, Università di Padova, Via Marzolo 8, Padova, 35131, Italy; Istituto Nazionale di Ottica (INO), Consiglio Nazionale Delle Ricerche (CNR), Sezione di Sesto Fiorentino, Via Nello Carrara, 1, Sesto Fiorentino, 50019, Italy; Instituto de Física, Universidade Federal de Goiás, Goiânia, Goiás, 74.001-970, Brazil; Department of Interdisciplinary Studies, School of Electrical Engineering, Tel Aviv University, Tel Aviv, 69978, Israel (literal)
Titolo
  • Localized modes in quasi-two-dimensional Bose-Einstein condensates with spin-orbit and Rabi couplings (literal)
Abstract
  • We consider a two-component pancake-shaped, i.e., effectively two-dimensional (2D), Bose-Einstein condensate coupled by the spin-orbit (SO) and Rabi terms. The SO coupling adopted here is of the mixed Rashba-Dresselhaus type. For this configuration, we derive a system of two 2D nonpolynomial Schrodinger equations (NPSEs), for both attractive and repulsive interatomic interactions. In the low- and high-density limits, the system amounts to previously known models, namely, the usual 2D Gross-Pitaevskii equation, or the Schrodinger equation with the nonlinearity of power 7/3. We present simple approximate localized solutions, obtained by treating the SO and Rabi terms as perturbations. Localized solutions of the full NPSE system are obtained in a numerical form. Remarkably, in the case of the attractive nonlinearity acting in free space (i.e., without any 2D trapping potential), we find parameter regions where the SO and Rabi couplings make 2D fundamental solitons dynamically stable. (literal)
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