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1. introduction
  a. preparation and texts
  b. plan of the course
  c. generalities and classification of solids
2. one-electron theory
  a. hartree-fock theory
  1. general philosophy of hartree-fock
  2. derivation of self-consistent equations: second quantization
  b. energy bands in solids
  1. perturbation theory for weak periodic potential:brillouin and jone zones and symmetrized plane waves
  2. the cellular method: quantitative calculation of binding energy
  3. exchange and correlation in the free-electron gas
  4. the o.p.w. method
  c. one-electron band theory in the presence of perturbing fields
  1. introduction
  2. weakly bound impurity states
  3. motion in external fields
  4. "breakdown" effects
  5. rigorous basis of effective hamiltonian theory
3. elementary excitations
  a. the idea of elementary excitations: generalities on many-body theory
  1. the variational theorem
  2. the exclusion principle
  3. screening
  4. the concept of elementary excitations
  b. the n + 1 body problem
  1. quasi-particles
  2. effects of phonons in the n + 1 body problem
  c. quasi-particles in metals: the fermi liquid
  d. collective excitations
  1. excitons
  2. spin waves: heisenberg hamiltonian and the magnetic state
  3. ferromagnetic spin waves
  4. antiferromagnetic spin waves and "broken symmetry"
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