http://www.cnr.it/ontology/cnr/individuo/prodotto/ID168379
Dissipation and traversal time in Josephson junctions (Articolo in rivista)
- Type
- Label
- Dissipation and traversal time in Josephson junctions (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.81.172506 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ilaria Cacciari (1); Paolo Moretti (2); Anedio Ranfagni (1) (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- fasc.(17).American Physical Society. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1) IFAC-CNR, Sesto Fiorentino, Firenze, Italia
2) ISC-CNR, Sezione di Firenze, Sesto Fiorentino, Firenze, Italia (literal)
- Titolo
- Dissipation and traversal time in Josephson junctions (literal)
- Abstract
- The various ways of evaluating dissipative effects in macroscopic quantum tunneling are re-examined. The results obtained by using functional integration, while confirming those of previously given treatments, enable a comparison with available experimental results relative to Josephson junctions. A criterion based on the shortening of the semiclassical traversal time ? of the barrier with regard to dissipation can be established, according to which ??/??N/Q, where Q is the quality factor of the junction and N is a numerical constant of order unity. The best agreement with the experiments is obtained for N=1.11, as it results from a semiempirical analysis based on an increase in the potential barrier caused by dissipative effects. (literal)
- Prodotto di
- Autore CNR
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