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Correlated Electron Systems - Proceedings of the 9th Jerusalem Winter School for Theoretical Physics
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Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 3 Artikel!
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| The study of the correlated motion of electrons in solids is of increasing importance in condensed matter physics. In the past few years, the discovery of high-temperature superconductors has stimulated an enormous theoretical effort in this area, building on earlier theories of heavy-fermion and organic superconductors, and magnetic insulators. In a separate development the discovery of the fractional quantum Hall effect stimulated research into the behavior of the two-dimensional electron gas in a strong transverse magnetic field.The lectures at this school gave a systematic presentation of the current status of the theory in these areas. They covered the fractional quantum Hall effect and the many-body physics of the Hubbard model and its extensions, paying particular attention to the properties of doped insulators which are relevant for high-temperature superconductivity. There were detailed discussions of situations for which controlled calculations may be carried out -- specifically infinite dimensions, one dimension, and generalized models in which the fermions have N components and N → -. |
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