Unusual Proximity Effect of d-Wave Superconductivity

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A novel proximity effect, that the d-wave superconductivity induces a different symmetric order parameter in the normal metal side, is investigated for the normal metal (N)-d-wave superconductor (S) junction in the clean limit. The induced superconductivity is obtained self-consistently on the basis of the quasi-classical theory and the condition of this effect to occur is clarified. Our result shows that the deformation of the pair amplitude and the direction of the NS boundary with respect to the phase of the d-wave superconductivity are crucial in this phenomenon. A characteristic structure appearing in the local density of states due to this proximity effect is also examined comparing with the conventional case.

Original languageEnglish
Pages (from-to)823-839
Number of pages17
JournalJournal of the Physical Society of Japan
Issue number3
Publication statusPublished - 1996
Externally publishedYes


  • D-wave superconductivity
  • Density of states
  • Mid gap state
  • Proximity effect
  • Symmetry of the order parameter

ASJC Scopus subject areas

  • General Physics and Astronomy


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