Lec. 15 - Relativistic Quantum Field Theory (winter 2022/23) · TU Dresden

Fifteenth 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 3: QFT with interactions - Feynman Diagrams
0:00:03 - Introduction to Chapter 3
0:08:13 - 3.1 Definition of interacting QFT
0:08:31 - 3.1.1 Ansatz
0:11:43 - 3.1.2 Quantities
0:25:00 - 3.2 Scattering and S-matrix
0:25:19 - 3.2.1 Definition
0:34:20 - 3.2.2 Time dependent pertubation theory
0:54:08 - 3.3 Feynman Rules for S-Matrix
0:54:35 - 3.3.1 Statement
1:11:54 - 3.3.2 Examples at first order