Solid State Theory (PH1001)
Winter 2020/21

Lecturer: Michael Knap
Teaching Assistants: Johannes Feldmeier, Clemens Kuhlenkamp, Elisabeth Wybo

Lectures (zoom sessions):
Tuesday 10:15 - 11:45
Thursday 10:15 - 11:45

This semester, the lecture will be held via zoom at the announced times. Technical details will be announced via moodle.

Tutorials (zoom sessions):
Q&A Session: Tuesday 8:30 - 10:00
Tutorial: Thursday 8:30 - 10:00

See moodle for details.

Outline:

Introduction

Symmetries and structure of condensed matter 
-Phases of matter
-Scattering and static structure factor

Lattice vibrations: Phonons
-Theory of phonons and specific heat
-Elastic neutron scattering, dynamic structure factor
-Linear response, fluctuation-dissipation relations

Electrons and conduction
-Bloch theorem, Wannier functions, band theory
-Metals and insulators, para- and diamagnetism
-Semiclassical dynamics, Bloch oscillations, Drude theory, Boltzmann equations
-Quantum Hall: Edge states, Disorder, Topology, TKNN

Interacting electrons
-Approaching the many-body problem
-Interlude: Second quantization
-Non-Interacting electron gas, Lindhard function
-Fermi liquid theory
-The interacting electron gas, Hartree-Fock theory
-Random phase approximation, screening, Collective excitations
-Electron-Phonon interaction, BCS-theory of superconductivity 
-Quantum magnetism, Hubbard model at strong and weak coupling
-Disorder and localization

Tutorials:

Literature:

S. Simon, Solid State Basics
P.M. Chaikin and T.C. Lubensky, Principles of Condensed Matter Physics
N.W. Ashcroft and N.D. Mermin, Solid State Physics