Quantum Field Theory & Many Body Systems SoSe 2024
Lectures: Mo 10-12 and Th 10-12 (Hörsaal B)
Tutorials: Th 12-14 (starting April 25; Seminar room 1.4.31) and Fr 10-12 (starting April 26; Seminar room 1.4.31)
Exam: Th July 18, 2024 at 10-12
Make-up exam: Fr Oct 11, 2024 at 10-12 (prelim)
Problem sets: made available online on Mondays and to be turned in by the following Monday BEFORE the beginning of class.
Problem sets
Lecture notes
Chapter 1: Quantum mechanics - path integrals, second quantization, coherent state functional integrals: bosons and fermions, linear response and Green functions
Chapter 2: Interacting bosons - BEC, Bogoliubov theory, functional-integral approach, finite temperature, KT transition
Chapter 3: Interacting fermions - perturbation theory and Feynman diagrams, jellium model and screening, excitonic insulators, BCS theory of superconductivity, Ginzburg-Landau theory
Chapter 4: Some basics of gauge theory - single particle classical and quantum mechanics, charged superfluids and Anderson-Higgs mechanism, quantization of gauge theory, Z2 lattice gauge theory