Supercurrent decay in extremely underdamped Josephson junctions (Articolo in rivista)

Type
Label
  • Supercurrent decay in extremely underdamped Josephson junctions (Articolo in rivista) (literal)
Anno
  • 1998-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.57.134 (literal)
Alternative label
  • B. Ruggiero, C. Granata, V. G. Palmieri, A. Esposito, M. Russo and P. Silvestrini (1998)
    Supercurrent decay in extremely underdamped Josephson junctions
    in Physical review. B, Condensed matter; The American Physical Society, College Park, MD 20740-3844 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • B. Ruggiero, C. Granata, V. G. Palmieri, A. Esposito, M. Russo and P. Silvestrini (literal)
Pagina inizio
  • 134 (literal)
Pagina fine
  • 137 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevB.57.134 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 57 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di Cibernetica del CNR, I-80072 Arco Felice, Italy Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Naples I-80125, Italy AtB Advanced Technologies Biomagnetics, I-66013 Chieti Scalo, Italy (literal)
Titolo
  • Supercurrent decay in extremely underdamped Josephson junctions (literal)
Abstract
  • We present an experimental study of the effective dissipation relevant in the thermally activated supercurrent decay of extremely underdamped Josephson junctions. Data referring to the supercurrent decay of Nb/AlOx /Nb Josephson junctions are compared with the Kramers theory. Our measurements allow us to obtain the ''effective'' resistance to be used in the resistively shunted junction model that results to be the subgap resistance due to the presence of thermally activated quasiparticles. The extremely low dissipation level obtained at low temperatures renders our result quite interesting in view of experiments in the quantum limit. (literal)
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