David Skinner: Quantum Field Theory II These are the lecture notes for the second Quantum Field Theory course offered to Part III students. They discuss Path Integrals, Wilsonian Effective Theory, the Renormalization Group, and non-Abelian Gauge Theories. Contents Introduction: PDF File Choosing a QFT. Space-time, fields, actions. Path integrals, the partition function and correlators. QFT in Zero