Mechanisms of High-Tc Superconductivity

  • Werner Weber


A survey is given on various models proposed for the electronic pairing in the new cuprate superconductors. This survey includes the results of the one-electron energy band calculations, as well as studies on electron-phonon interaction. The limits of the validity of energy band theory are discussed, and it is argued that — due to strong correlation effects of the Cu d electrons, the electronic structure is severely modified. This leads to the consideration of magnetic and excitonic momodels for the pairing, which try to take these correlation effects into account.


Hubbard Model Spin Excitation Antiferromagnetic Order Band Theory Resonate Valence Bond 
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Copyright information

© Springer Science+Business Media New York 1988

Authors and Affiliations

  • Werner Weber
    • 1
  1. 1.Institut für Nukleare FestkörperphysikKernforschungszentrum KarlsruheKarlsruheGermany

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