Lectures related to Ward–Takahashi identity

Explores Ward identities in Quantum Field Theory, emphasizing classical and quantum cases, symmetry generators, and perturbation theory.

Explains the QCD Ward identity and its implications in QED and non-Abelian gauge theory.

Covers the gauged Wess-Zumino-Witten model and its applications in conformal field theory.

Explores Quantum Field Theory II, emphasizing Gauge Theories, including QED, fermion masses, vector bosons, and the Higgs mechanism.

Explores the invariance of quantum/statistical field theory under conformal transformations and the stress tensor properties.