Quantum Field Theory In A Nutshell, 2nd Edition by Anthony Zee

A lively, concept-driven introduction to quantum field theory that builds intuition through path integrals, symmetry principles, and diagrammatic techniques, then develops gauge theories, renormalization, anomalies, and spontaneous symmetry breaking with applications to the Standard Model and condensed matter. Balancing rigor and physical insight, it features illuminating sidebars, worked examples, and problems, while the updated edition incorporates modern perspectives such as effective field theories, neutrino physics, and conformal ideas to connect foundational methods with contemporary research.

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