Zurek-Kibble symmetry breaking process in superconducting rings; Spontaneous fluxon formation in annular Josephson tunnel junctions (Articolo in rivista)

Type

• Articolo in rivista (Classe)
• Prodotto della ricerca (Classe)

Label

• Zurek-Kibble symmetry breaking process in superconducting rings; Spontaneous fluxon formation in annular Josephson tunnel junctions (Articolo in rivista) (literal)

Anno

• 2007-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1109/TASC.2007.898054 (literal)

Alternative label

• Aaroe M, Monaco R, Dmitriev P, V.P. Koshelets, and Mygind J (2007)
  Zurek-Kibble symmetry breaking process in superconducting rings; Spontaneous fluxon formation in annular Josephson tunnel junctions
  in IEEE transactions on applied superconductivity (Print)
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Aaroe M, Monaco R, Dmitriev P, V.P. Koshelets, and Mygind J (literal)

Pagina inizio

• 664 (literal)

Pagina fine

• 667 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 17 (literal)

Rivista

• IEEE transactions on applied superconductivity (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 2 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Aaroe, M (Reprint Author), Tech Univ Denmark, Dept Phys, B309, DK-2800 Lyngby, Denmark. Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark. CNR, Ist Cibernet, I-80078 Pozzuoli, Italy. Univ Salerno, Dipartimento Fis, Unita INFM, I-84081 Baronissi, Italy. Russian Acad Sci, Inst Radio Engn \& Elect, Moscow 125009, Russia. Univ London Imperial Coll Sci Technol \& Med, Blackett Lab, London SW7 2AZ, England.}}, (literal)

Titolo

• Zurek-Kibble symmetry breaking process in superconducting rings; Spontaneous fluxon formation in annular Josephson tunnel junctions (literal)

Abstract

• We report on new investigations of spontaneous symmetry breaking in non-adiabatic phase transitions. This Zurek-Kibble (ZK) process is mimicked in solid state systems by trapping of magnetic flux quanta, fluxons, in a long annular Josephson tunnel junction quenched through the normal-superconducting transition. A trapped fluxon unambiguously is detected as a zero-field step in the DC I-V characteristic. Experimentally we plot the fluxon trapping probability versus the quench rate, varied over 4 decades. An allometric scaling behavior is found. By fitting to the theoretical curve we get sigma similar or equal to 0.5 for the ZK critical scaling exponent sigma, which does not agree with an earlier theoretical prediction of sigma = 0.25. A novel theory based on the proximity effect leading to sigma = 0.50 has been proposed. The dependence of the gap voltage on temperature is measured and used for precise monitoring of the fast temperature variation during the quench. (literal)

Prodotto di

• Istituto di Scienze Applicate e Sistemi Intelligenti \"Eduardo Caianiello\" (ISASI) (Istituto)
• Fisica e Tecnologia dei Sistemi Coerenti (MD.P04.010.001) (Modulo)

Autore CNR

• ROBERTO MONACO (Unità di personale interno)

Incoming links:

Prodotto

• Istituto di Scienze Applicate e Sistemi Intelligenti \"Eduardo Caianiello\" (ISASI) (Istituto)
• Fisica e Tecnologia dei Sistemi Coerenti (MD.P04.010.001) (Modulo)

Autore CNR di

• ROBERTO MONACO (Unità di personale interno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• IEEE transactions on applied superconductivity (Rivista)