Lec. 21 - Relativistic Quantum Field Theory (winter 2022/23) · TU Dresden

Twenty-first lecture on Relativistic Quantum Field Theory (QFT 1B) as part of the masters specialization program in Theoretical/Particle Physics given by Prof. Dr. Dominik Stöckinger at TU Dresden in the winter term of 2022/23.
This lecture series is complementary to QFT 1A given in the winter term of 2019/20 :

Contents:
0:00:00 - Intro
Chapter 4: QED at lowest order
0:00:03 - 4.4.2 unpolarized photons
0:07:36 - 4.4.3 unpolarized fermions
0:14:25 - 4.4.4 Calculation
0:26:10 - 4.4.5 Klein-Nishina formula discussion
0:48:08 - 4.4.6 High Energy limit
1:15:11 - 4.5 The magic of gauge invariance
1:16:06 - 4.5.1 Lorentz invariance