Content of Lecture

Introduction to Field Theory

  • Symmetries & Hamiltonian Field Theory
  • Canonical Quantisation
  • Klein Gordon Equation
  • Lorentz Invariance & Causality
  • Complex Scalar Field & Propagators
  • Interaction Picture & Dyson Formula
  • Wick's Theorem
  • LSZ Theorem, Loops & Amputated Diagrams
  • Scalar Theory & Cross Sections
  • Dirac Fields
  • Quantising the Dirac Field
  • Dirac Propagators & Perturbation Theory

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