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Superconductivity in the doped “pseudo-ladder” compound CaCu\(_\mathsf{2}\)O\(_\mathsf{3}\)

  • N. M. PlakidaEmail author
  • A. Vladimirov
  • S.-L. Drechsler
Article
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Abstract.

An effective anisotropic t-J model for the “pseudo-ladder” compound CaCu2O3 is proposed based on recent experimental studies and band structure calculations. Superconducting pairing mediated by the exchange interaction in the model is investigated as a function of doping away from the antiferromagnetic insulating state. It is shown that strong anisotropy in the electronic spectrum suppresses superconducting temperature in comparison with conventional copper-oxide superconductors with square lattices.

Keywords

Anisotropy Experimental Study Band Structure Exchange Interaction Electronic Spectrum 
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Copyright information

© Springer-Verlag Berlin/Heidelberg 2003

Authors and Affiliations

  • N. M. Plakida
    • 1
    • 2
    Email author
  • A. Vladimirov
    • 1
  • S.-L. Drechsler
    • 3
  1. 1.Joint Institute for Nuclear ResearchDubnaRussia
  2. 2.Max-Planck-Institut für Physik Komplexer SystemeDresdenGermany
  3. 3.Leibniz-Institut für Festkörper- und Werkstoffforschung DresdenDresdenGermany

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