New Fluxon Resonant Mechanism in Annular Josephson Tunnel Structures (Articolo in rivista)

Type
Label
  • New Fluxon Resonant Mechanism in Annular Josephson Tunnel Structures (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.93.187001 (literal)
Alternative label
  • C. Nappi; M.P. Lisitskiy; G. Rotoli; R. Cristiano; A. Barone (2004)
    New Fluxon Resonant Mechanism in Annular Josephson Tunnel Structures
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • C. Nappi; M.P. Lisitskiy; G. Rotoli; R. Cristiano; A. Barone (literal)
Pagina inizio
  • 187001-1 (literal)
Pagina fine
  • 187001-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 93 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Cibernetica ''E. Caianiello'' del CNR, I-80078 Pozzuoli, Italy; INFM Coherentia, Istituto Nazionale di Fisica della Materia, Unita´ di Napoli, Italy Dipartimento di Energetica, Universita´ di L'Aquila, Localita´ Monteluco, I-67040 L'Aquila, Italy Dipartimento di Scienze Fisiche, Universita´ di Napoli ''Federico II,'' I-80126, Napoli, Italy (literal)
Titolo
  • New Fluxon Resonant Mechanism in Annular Josephson Tunnel Structures (literal)
Abstract
  • A novel dynamical state has been observed in the dynamics of a perturbed sine-Gordon system. This resonant state has been experimentally observed as a singularity in the dc current-voltage characteristic of an annular Josephson tunnel junction, excited in the presence of a magnetic field. In this respect it can be assimilated to self-resonances known as Fiske steps. Differently from these, however, we demonstrate, on the basis of numerical simulations, that its detailed dynamics involves rotating fluxon pairs, a mechanism associated, so far, to self-resonances known as zero-field steps. This occurs because the size of nonlinear excitations is comparable with that of the system. (literal)
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