Contents & advanced reading

Introduction (slides)

  • Formal and organisational stuff
  • What to expect from the lecture (general motivation)


I Landau theory of Fermi liquids (slides, notes, slides&notes)

  • Fermi gas theory
  • Wilson ratio
  • Quasipartcles excitations
  • Fermi liquid concept


II Electron systems and the lattice (slides, notes, slides&notes)


III Mott-Hubbard transition (notes, slides, slides&notes)

Advanced further reading: M. Imada, A. Fujimori, Y. Tokura: Metal-Insulator transitions, Rev. Mod. Phys. 70, 1039–1263 (1998)

Advanced reading: Tremel et al, Metall oder Nichtmetall? (in German: "Festkörperphysik ist viel zu spannend, um sie allein den Physi-kern zu überlassen...[???]")

  • What are electronic correlations?
  • Mott transition: general idea
  • Phase diagram of V2O3 under pressure
  • One-band Hubbard model
  • Which electrons are we talking about?
  • Hubbard subbands
  • Bandwidth-controlled metal-insulator transition
  • The example of RNiO3
  • Magnetism in the Hubbard model
  • PES on Ni, NiO; Cluster approach
  • Mott-Hubbard vs. charge transfer insulators
  • Charge motion vs. AFM order; stripe formation
  • Spin-charge separation


IV Kondo effect, Heavy fermion systems (notes, bare slides, slides+notesJan21st)


V 2D frustrated materials: spin ice, spin liquid & more (notes, bare slides, slide+notes)