PSI 2016/2017 - Condensed Matter (Marsiglio)

Bravais lattices, Reciprocal Lattice, Brillouin Zones, Bloch states, Kronig-Penney model

Bravais lattices, Reciprocal Lattice, Brillouin Zones, Bloch states, Kronig-Penney model

Numerical Band Structure Calculations, Weak Potentials

Tight-binding models, Density of States

Density functional theory

Ionic vibrations, phonons, phonon quantization

Einstein and Debye models, detecting phonons: neutron scattering

Polaron, electron-phonon interactions, Holstein model

Angle-resolved photoemission spectroscopy and its application to polaron problem. Interacting electrons and Hartree-Fock approximation.

Screening of a charge in the electron gas, Lindhard function

Magnetism: exchange interaction, Heisenberg Hamiltonian

Ferromagnetism, Holstein_Primakoff transformation, Hubbard model