Mesoscopic variations of local density of states in disordered superconductors (Articolo in rivista)

Type
Label
  • Mesoscopic variations of local density of states in disordered superconductors (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.85.214507 (literal)
Alternative label
  • A. E. Koshelev1 and A. A. Varlamov1, 2 (2012)
    Mesoscopic variations of local density of states in disordered superconductors
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. E. Koshelev1 and A. A. Varlamov1, 2 (literal)
Pagina inizio
  • 214507 (literal)
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  • 85 (literal)
Rivista
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  • 14 (literal)
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  • 21 (literal)
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  • 1Materials Science Division, Argonne National Laboratory, 9700 S.Cass Avenue, Argonne, Illinois 60637, USA 2CNR-SPIN, Viale del Politecnico 1, I-00133 Rome, Italy (literal)
Titolo
  • Mesoscopic variations of local density of states in disordered superconductors (literal)
Abstract
  • We explore correlations of inhomogeneous local density of states (LDoS) for impure superconductors with different symmetries of the order parameter (s-wave and d-wave) and different types of scatterers (elastic and magnetic impurities). It turns out that the LDoS correlation function of superconductor always slowly decreases with distance up to the phase-breaking length $l_{\phi}$ and its long-range spatial behavior is determined only by the dimensionality, as in normal metals. On the other hand, the energy dependence of this correlation function is sensitive to symmetry of the order parameter and nature of scatterers. Only in the simplest case of s-wave superconductor with elastic scatterers the inhomogeneous LDoS is directly connected to the corresponding characteristics of normal metal. (literal)
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