Quantum Field Theory

The book "Quantum Field Theory" offers a comprehensive and pedagogical introduction to quantum field theory, particularly suitable for students encountering this complex topic for the first time. It targets a broad readership, including students of theoretical and experimental high-energy physics, condensed matter physics, as well as atomic, nuclear, and gravitational physics. The author, Gordon Walter Semenoff, places special emphasis on an accessible presentation that is understandable even for readers with minimal technical background. The book covers the fundamentals of second quantization and field-theoretic approaches to non-relativistic many-body physics. Additionally, it systematically develops the principles of relativistic field theory, functional techniques, perturbation theory, renormalization, and basic calculations in quantum electrodynamics. This comprehensive approach fosters a solid understanding of the central aspects of quantum field theory.