Spontaneous fluxoid formation in superconducting loops (Articolo in rivista)

Type
Label
  • Spontaneous fluxoid formation in superconducting loops (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.80.180501 (literal)
Alternative label
  • R. MONACO, J. Mygind, R.J. Rivers and V.P. Koshelets (2009)
    Spontaneous fluxoid formation in superconducting loops
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • R. MONACO, J. Mygind, R.J. Rivers and V.P. Koshelets (literal)
Pagina inizio
  • 180501 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Selected for a Viewpoint in Physics: J.R. Kirtley and F. Tafuri, Physics, vol.2, p.92 (2009) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 80 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 18 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Monaco, R (Reprint Author), CNR, Ist Cibernet, I-80078 Pozzuoli, Italy. Monaco, R., CNR, Ist Cibernet, I-80078 Pozzuoli, Italy. Monaco, R., Univ Salerno, Unita INFM, Dipartimento Fis, I-84081 Baronissi, Italy. Mygind, J., Tech Univ Denmark, DTU Phys, DK-2800 Lyngby, Denmark. Rivers, R. J., Univ London Imperial Coll Sci Technol \& Med, Blackett Lab, London SW7 2AZ, England. Koshelets, V. P., Russian Acad Sci, Kotelnikov Inst Radio Engn \& Elect, Moscow 125009, Russia (literal)
Titolo
  • Spontaneous fluxoid formation in superconducting loops (literal)
Abstract
  • We report on the experimental verification of the Zurek-Kibble scenario in an isolated superconducting ring over a wide parameter range. The probability of creating a single flux quantum spontaneously during the fast normal-superconducting phase transition of a wide Nb loop clearly follows a scaling relation on the quenching time tau(Q), as one would expect if the transition took place as fast as causality permits. However, the observed Zurek-Kibble scaling exponent sigma=0.62 +/- 0.15 is two times larger than anticipated for large loops. Assuming Gaussian winding number densities we show that this doubling is well founded for small annuli. (literal)
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