Manifestation of a spin-splitting field in a thermally biased Josephson junction (Articolo in rivista)

Type
Label
  • Manifestation of a spin-splitting field in a thermally biased Josephson junction (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.89.054505 (literal)
Alternative label
  • Bergeret F.S.[ 1,2 ] ; Giazotto F.[ 3,4 ] (2014)
    Manifestation of a spin-splitting field in a thermally biased Josephson junction
    in Physical review. B, Condensed matter and materials physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bergeret F.S.[ 1,2 ] ; Giazotto F.[ 3,4 ] (literal)
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  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84897644862&partnerID=q2rCbXpz (literal)
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  • 89 (literal)
Rivista
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  • 5 (literal)
Note
  • Scopu (literal)
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  • [ 1 ] Ctr Mixto CSIC UPV EHU, Ctr Fis Mat CFM MPC, E-20018 San Sebastian, Spain [ 2 ] DIPC, E-20018 San Sebastian, Spain [ 3 ] Inst Nanosci CNR, NEST, I-56127 Pisa, Italy [ 4 ] Scuola Normale Super Pisa, I-56127 Pisa, Italy (literal)
Titolo
  • Manifestation of a spin-splitting field in a thermally biased Josephson junction (literal)
Abstract
  • We investigate the behavior of a Josephson junction consisting of a ferromagnetic insulator-superconductor (FI-S) bilayer tunnel coupled to a superconducting electrode. We show that the Josephson coupling in the structure is strengthened by the presence of the spin-splitting field induced in the FI-S bilayer. Such strengthening manifests itself as an increase of the critical current Ic with the amplitude of the exchange field. Furthermore, the effect can be strongly enhanced if the junction is taken out of equilibrium by a temperature bias. We propose a realistic setup to assess experimentally the magnitude of the induced exchange field, and predict a drastic deviation of the Ic(T) curve (T is the temperature) with respect to equilibrium. © 2014 American Physical Society. (literal)
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