The course is given the second period of each fall term.
It replaces the earlier course FYTN02.
The course is given together with the courses FMFN25 and NATF008.
This course is intended to teach more advanced concepts and methods for dealing with interacting systems with many particles, and also critical phenomena. Among the topics included are: the Ising model, the transfer matrix method, mean field theory, and renormalization theory.