Green's functions, spectral weight functions and correlation functions. Quantum Theory of Many Particle Systems , A.L.Fetter e J. D.Walecka, McGraw-Hill, 1971. Various approaches are used, presenting in particular the renormalization group theory. High and low temperature series expansions. Monte Carlo simulations.
Teaching consists of lectures.
Assessment through grading of a series of problems. Renormalization of Quantum Electrodynamics. Symmetries and conservation laws. Charges as quantum operators. Quantization of Klein-Gordon, Dirac and Maxwell fields.