Lec. 11, Part 1/2 – Multiloop Renormalization (winter '20/'21) · TU Dresden
Channel: QFT Dominik Stoeckinger
Date: 24/01/2021

Specialization Lecture as held in the winter semester of 2020/2021 at the Technical University Dresden (Technische Universität Dresden)

Lecture and conception: Dominik Stöckinger
Video editing: Baibhab Ray

Eleventh Lecture – 21 January 2020, ASB/0114/U

Content:
0:00:00 – Intro
0:00:18 – 4 Survey of Regularization/Renormalization Methods: "To d, or not to d" (arXiv:1705.01827)
0:01:27 – Outline
0:03:22 – 4.1 BPHZ (Bogoliubov, Parasiuk, Hepp, Zimmermann)
(incl.:
    0:03:59 ... Basic idea
    0:07:07 ... Implementations/Highlights
    0:16:20 ... Properties
)
0:28:57 – 4.2 Dimensional Regularization & Dimensional Reduction
(incl:
    0:29:30 ... Basic idea
    0:30:29 ... Difference between DReg and DRed
)
0:34:03 – 4.2.1 Basic Definitions of DReg
(incl.:
    0:34:35 ... First Approach: Breitenlohner/Maison
    0:39:38 ... Second Approach: Collins (Book), Wilson ('73)
)
0:56:07 – 4.2.2 Basic Definitions of DRed (Siegel ('79))
here: consistent version (Stöckinger (2005))
1:08:29 – 4.2.3 Explanations, Properties
(incl.: 
    1:08:50 ... DReg
    1:17:26 ... DRed
    1:28:04 ... Variants
    1:29:30 ... Properties
    1:50:49 ... Reformulations
)