Nonequilibrium Quantum Field Theory

A Course in Field Theory by Pierre van Baal

This page online covers the following topics related to Field Theory : Quantisation of Fields, Euler–Lagrange Equations, Tree-Level Diagrams, Hamiltonian Perturbation Theory, Path Integrals in Quantum Mechanics, Path Integrals in Field Theory, Perturbative Expansion in Field Theory, he Scattering Matrix, Cross Sections, Decay Rates, The Dirac Equation, Plane Wave Solutions of the Dirac Equation, The Dirac Hamiltonian, Path Integrals for Fermions, Feynman Rules for Vector Fields, Quantum Electrodynamics—QED, Non-Abelian Gauge Theories, The Higgs Mechanism, Gauge Fixing and Ghosts, The Standard Model, Loop Corrections and Renormalisation.

Author(s): Pierre van Baal

NA Pages

Quantum Field Theory by ETH

This lecture note contains the following contents : Prerequisites, Contents, References, Classical Mechanics, Hamiltonian Formulation, Quantum Mechanics, Quantum Mechanics and Relativity, Conventions, Spring Lattice, Continuum Limit, Relativistic Covariance, Hamiltonian Field Theory, Quantisation, Fock Space, Complex Scalar Field, Correlators, Sources, Internal Symmetries, Spacetime Symmetries, Discrete Symmetries, Dirac Equation and Clifford Algebra, Discrete Symmetries, Spin Statistics, Grassmann Numbers, Quantisation, Complex and Real Fields, Massless Field and Chiral Symmetry, Classical Electrodynamics, Gauge Fixing, Particle States, Casimir Energy, Massive Vector Field, Interacting Lagrangians, Interacting Field Operators, Perturbation Theory, Some Examples, Feynman Rules, Feynman Rules for QED, Scattering Basics, Cross Sections and Matrix Elements, Electron Scattering, Pair Production, Loop Contributions, Asymptotic States, Unitarity, Self Energy, Loop Integral, Regularisation and Renormalisation, Counterterms, Vertex Renormalisation.

Author(s): ETH Zurich

175 Pages