Official description

1. Collective modes, Importance of Symmetries and Dimensionality
2. Introduction to phase transitions and critical phenomena
3. Ginzburg-Landau theory, Mean-field theory, Critical Exponents
4. Goldstone modes and the lower critical dimension
5. Fluctuations and the upper critical dimension
6. Universality and self-similarity, Scaling hypothesis
7. Kadanoff's heuristic renormalization group and exponent identities
8. Perturbation theory, diagrammatic expansion
9. Wilson's momentum space renormalization group, epsilon expansion,

Wilson-Fisher fixed point