http://www.cnr.it/ontology/cnr/individuo/prodotto/ID291790
Persistent currents in two-component condensates in a toroidal trap (Articolo in rivista)
- Type
- Label
- Persistent currents in two-component condensates in a toroidal trap (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.89.053602 (literal)
- Alternative label
Abad, M.; Sartori, A.; Finazzi, S.; Recati, A. (2014)
Persistent currents in two-component condensates in a toroidal trap
in Physical review. A
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Abad, M.; Sartori, A.; Finazzi, S.; Recati, A. (literal)
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- University of Trento; University of Trento; PRES University Sorbonne Paris Cite; Centre National de la Recherche Scientifique (CNRS) (literal)
- Titolo
- Persistent currents in two-component condensates in a toroidal trap (literal)
- Abstract
- The stability of persistent currents in a two-component Bose-Einstein condensate in a toroidal trap is studied in both the miscible and the immiscible regimes. In the miscible regime we show that superflow decay is related to linear instabilities of the spin-density Bogoliubov mode. We find a region of partial stability, where the flow is stable in the majority component while it decays in the minority component. We also characterize the dynamical instability appearing for a large relative velocity between the two components. In the immiscible regime the stability criterion is modified and depends on the specific density distribution of the two components. The effect of a coherent coupling between the two components is also discussed. (literal)
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