by B Sakita (CUNY)

These lecture notes are based on special courses on Field Theory and Statistical Mechanics given for graduate students at the City College of New York. It is an ideal text for a one-semester course on Quantum Field Theory.

• Canonical Operator Formalism of Quantum Mechanics
• Path Integral Formalism
• Path Integral Formalism of Fermi Fields
• Perturbation Theory and Feynman Graphs
• Euclidean Field Theory and Statistical Mechanics
• Point Canonical Transformation
• Large Collective Variables
• Variational Method
• WKB Method I: Instantons
• WKB Method II: Solitons
• Quantum Theory of Non-Abelian Gauge Fields
• Spin System and Lattice Gauge Theory
• Stochastic Quantization