Friday, October 16, 2026

Quantum Field Theory: Reopening the Lecture Archive

 

I am reopening my archive of quantum field theory lectures for first-year Master’s students in theoretical physics taking QFT I and QFT II.

The archive contains 53 videos organized into 20 units. It brings together recordings from 2018 in mixed Arabic and English with recordings from 2021 in English and Arabic separately. The recordings vary in quality and presentation style. I had withdrawn them intending to produce improved versions—in language, scientific exposition, and visual presentation. Since I have not been able to carry out that project, I have decided to make the existing lectures available again, hoping they will remain useful to students.

The course follows five main stages:

  1. Foundations: special relativity, electromagnetism, Hamilton’s principle, Lagrangian and Hamiltonian mechanics, and elementary particle physics.

  2. The Dirac equation and spacetime symmetries: free solutions, rotations, spinors, and representations of the rotation and Lorentz groups.

  3. Quantization of free fields: canonical quantization of scalar and Dirac fields, and their Feynman propagators.

  4. Scattering and perturbation theory: the scattering matrix, Wick’s theorem, LSZ reduction formulas, and Feynman rules and diagrams for scalar phi-four theory.

  5. Introduction to conformal field theory: the stress-energy-momentum tensor, the operator product expansion, primary operators, and the conformal anomaly.

Not every unit contains three alternative recordings. Eight units have two videos, eleven have three, and the final unit contains four successive lectures on conformal field theory. The 2018 recording on the scattering matrix and Wick’s theorem covers two units, while the unit on free solutions and symmetries of the Dirac equation includes an additional Arabic recording from 2021.

Students need not watch every version of a given unit. The alternative recordings generally cover overlapping material, allowing students to choose the language and presentation that suit them.

The downloadable table of contents includes the course outline, the recording exceptions, and direct clickable links to all 53 videos.

Download the PDF table of contents:

https://drive.google.com/file/d/1LfwPXHJ0_P6TACZXVj2LACbEvnHoGF_6/view?usp=sharing

Watch the complete playlist: 

https://www.youtube.com/watch?v=Y2bc6k1A3oM&list=PLsHtEvuFFjBswOlcNxWB7Os6g5FdLxH3p

 

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Quantum Field Theory: Reopening the Lecture Archive

  I am reopening my archive of quantum field theory lectures for first-year Master’s students in theoretical physics taking QFT I and QFT II...