Quantum Field Theory
by David Tong
Publisher: University of Cambridge 2007
Number of pages: 155
These notes are based on an introductory course on quantum field theory. From the table of contents: Classical Field Theory; Free Fields; Interacting Fields; The Dirac Equation; Quantizing the Dirac Field; Quantum Electrodynamics.
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by Stefan Weinzierl - arXiv
An introduction to Feynman integrals. In the first part of the course the author reviews the basics of the perturbative expansion in quantum field theories. In the second part of the course he will discuss more advanced topics.
by J. Berges - arXiv
Lecture notes. From the table of Contents: Introduction; Nonequilibrium quantum field theory; Thermalization; Classical aspects of nonequilibrium quantum fields; Nonequilibrium instabilities; Nonthermal fixed points and turbulence.
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Presently, all observational evidence points to the fact that Quantum Field Theory provides a good description of all known elementary particles. The scope of these lectures is to provide an introduction to the formalism of Quantum Field Theory.
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The approach is to emphasize that Quantum Field Theory is first and foremost a tool for performing practical calculations. I will emphasize the physical problems which have driven the development of the field, and to show how they can be solved.