Quantum dot in the Kondo regime coupled to p-wave superconductors

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22 Scopus citations


The physics of junctions containing p-wave superconducting and normal leads weakly coupled to an Anderson impurity in the Kondo regime is elucidated. For p-wave (unlike s wave) superconducting leads, midgap surface states play an important role in the tunneling process and help the formation of the Kondo resonance. The current, shot-noise power, and Fano factor are calculated and displayed as functions of the applied voltage V in the subgap region eV<Δ (the superconducting gap). In addition, the Josephson current for a quantum dot in the Kondo regime weakly coupled on both sides to p-wave superconductors is computed as function of temperature and phase. The peculiar differences between the cases of s-wave and p-wave superconducting leads are pointed out.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number4
StatePublished - 15 Jul 2003

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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