Phase Transitions and Critical Phenomena – HS 2014

Lecture overview

Phase transitions, models. Mean field and Landau theory. Critical exponents. Fluctuations. Scaling hypothesis, relations between critical exponents. Wilson's renormalization group. Epsilon - expansion. Berezinskii - Kosterlitz - Thouless transition. Quantum Phase transitions. 2-d Heisenberg model, Nonlinear sigma model. Defects. Random systems.

Exercises

Exercise sheets