# PHY2403H F specialized: Quantum Field Theory I

Course Title | PHY2403H F specialized |
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Session | fall |

Year of Study | 1st year |

Time and Location |
Time: M 12-1; W 12-2 Room: MP 1115 |

Erich
Poppitz |

#### Official Description

**References**

**References**

The lecture notes (available online) are the primary reference for the course. There is no required text, but you may find M.E. Peskin and D.V Schroeder, " An Introduction to Quantum Field Theory" (Perseus Books, 1995) useful (although we will only cover a small part of the material in the text).

**Topics **

**Topics**

- Introduction: Energy and distance scales; units and conventions. Uncertainty relations in the relativistic domain and the need for multiple particle description.
- Canonical quantization. Free scalar field theory.
- Symmetries and conservation laws.
- Interacting fields: Feynman diagrams and the S matrix; decay widths and phase space.
- Spin 1/2 fields: Spinor representations, Dirac and Weyl spinors, Dirac equation. Quantizing fermi fields and statistics.
- Vector fields and Quantum electrodynamics.

Prerequisite: | (1) Lagrangian and Hamiltonian formulations of classical mechanics. (2) Maxwell equations, energy and momentum of the electromagnetic fields, Lorentz invariance (special relativity). (3) Nonrelativistic quantum mechanics, in particular, angular momentum theory will be relied upon. |
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