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Thursday, 18 April 2024, (2:15 PM - 4:00 PM)
- Organizational matters
- What is ‘High Energy Physics’?,
- Energy scales in QFT (UV vs IR)
- Idea behind Effective Field Theories (EFTs) using three quick examples : $\lambda \phi^4$ , gravity as a QFT, and QCD
- A brief idea on what does it mean for a theory to be “renormalizable”
- Importance of non-renormalizable theories
Notes :
tutorial0.pdf
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Thursday, 25 April 2024, (2:15 PM - 4:00 PM)
- What is renormalization? (The idea of dressed particles)
- Connection between renormalization and the spectral density function
Notes :
tutorial1.pdf
Supplementary material (A detailed worked out version of first 6-7 pages of Chapter 7 of Peskin & Schroeder) :
tutorial1_supp.pdf
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Thursday, 2 May 2024, (2:15 PM - 4:00 PM)
- Buildup for renormalizing $\lambda \phi^4$
- Renormalizing $\lambda \phi^4$
Notes
tutorial2.pdf
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Thursday, 16 May 2024, (2:15 PM - 4:00 PM)
- How interactions change the propagator in perturbation theory (1PI diagrams)
- Role of counterterms (Renormalization conditions)
- Vertex function
Notes - Chapter 33 of QFT for the Gifted Amateur
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Thursday, 23 May 2024, (2:15 PM - 4:00 PM)
- A summary of renormalized QED
Notes
tutorial4_part1.pdf
tutorial4_part2.pdf
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Thursday, 07 June 2024, (2:15 PM - 4:00 PM)
- Faddeev Popov gauge fixing technique for an Abelian gauge theory (QED)
Notes
tutorial6.pdf