The role of electronic interactions for two-dimensional topological insulators
Habilitation thesis (2016) [pdf]

Numerical investigation of strongly correlated electron-phonon models
Doctoral thesis (2004) [pdf]

Colossal magnetoresistance: spectral properties of the Holstein double-exchange model and application to manganites
Diploma thesis (2001) [pdf]

Lecture notes

Quantum field theory in condensed matter [pdf]
Topics: path integral, second quantization, field theories, coherent states, many-particle path integral, perturbation theory

Mathematische Rechenmethoden 2 [pdf]
Inhalte: Matrizen, Koordinatensysteme, Vektoranalysis, Fouriertransformation, gewöhnliche Differentialgleichungen