Possible role of non-bonding Pπ oxygen orbitals by orbital Kondo effect in high-Tc superconductivity

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Abstract

The possible role of the pπ oxygen orbitals in high temperature superconductivity is discussed by considering those scattering processes between conduction electrons in which one pπ orbital occurs in the intermediate states. The responsible coupling is the off-diagonal Coulomb coupling between atomic and bond charges, which is enhanced by Kondo-type correlation effects of orbital origin. Considering the 1:2:3 compound the role of the bridging oxygens between the planes and chains is discussed.

Original languageEnglish
Pages (from-to)439-442
Number of pages4
JournalSolid State Communications
Volume70
Issue number4
DOIs
Publication statusPublished - Mar 1989

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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