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Lectures on Quantum Field Theory
These lecture notes are based on an introductory course on quantum field theory, aimed at Part III (i.e. masters level) students. The full set of lecture notes can be downloaded here, together with videos of the course when it was repeated at the Perimeter Institute. Individual sections can be downloaded on the link below. Classical Field Theory, Canonical Quantization, Interacting Fields, The Dirac Equation, Quantizing the Dirac Field and Quantum Electrodynamics. This note is Last updated on October 2012.The lecture notes can be downloaded in both PDF and PS formats
Author(s): David Tong, Cambridge university
NA Pages 
Homotopical Quantum Field Theory
This note contains below topics, Operads, AQFT and Prefactorization Algebras.
Author(s): Donald Yau
302 Pages
Quantum Theory by James Sparks
This note describes the following topics Classical particles and waves, Physical background and waveparticle duality, Wave mechanics, The Born interpretation, The harmonic oscillator, The mathematical structure of quantum theory, Statistical aspects of quantum theory, Angular momentum, The hydrogen atom.
Author(s): James Sparks
82 Pages
Quantum Field Theory PJ Mulders
This book describes the following topics: Relativistic wave equations, Groups and their representations, The Dirac equation, Vector fields and Maxwell equations, Classical lagrangian field theory, Quantization of field, Discrete symmetries, Path integrals and quantum mechanics, Feynman diagrams for scattering amplitudes, Scattering theory and The standard model.
Author(s): P.J. Mulders
139 Pages
This book covers the following topics Constructing Quantum Field Theory, symmetries and Conservation Laws, nonRelativistic Quantum Mechanics, Interacting Fields, Perturbation Theory for nonrelativistic quantum mechanics, Decay Widths, Cross Sections and Phase Space, Quantizing the Dirac Lagrangian, vector Fields and Quantum Electrodynamics.
Author(s): Michael Luke
193 Pages
This book covers the following topics Classical scalar field theory, Nonlinear interacting theory, Dimensional analysis and scaling, Complex scalar field theory, Quantum scalar field theory, Renormalization and Partition function.
Author(s): Mark Srednicki
616 Pages
This book provides a very clear and well written introduction to Quantum Field Theory. Topics covered includes: Classical Field Theory, Free Fields, Interacting Fields, The Dirac Equation, Quantizing the Dirac Field and Quantum Electrodynamics.
Author(s): Dr David Tong
155 Pages