Advanced Concepts In Quantum Field Theory With Exercises - James M. Cline

This Book Comprises The Second Half Of A Quantum Field Theory (qft) Course For Graduate Students. It Gives A Concise Introduction To Advanced Concepts That Are Important For Research In Elementary Particle Theory. Topics Include The Path Integral, Loop Expansion, Feynman Rules, Various Regularization Methods, Renormalization, Running Couplings And The Renormalization Group, Fixed Points And Asymptotic Freedom, Effective Action, Coleman-weinberg Effective Potential, Fermions, The Axial Anomaly, Qed, Gauge Fixing, Nonabelian Gauge Theories, Unitarity, Optical Theorem, Slavnov-taylor Identities, Beta Function Of Yang-mills Theory, A Heuristic Derivation Of Asymptotic Freedom, Instantons In Su(n) Gauge Theory, Theta Vacua And The Strong Cp Problem.