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One-Loop Renormalization in QFT by teo tres is a document available to read on EtoBox.
What is One-Loop Renormalization in QFT about?
This document discusses perturbative renormalization of scalar field theory and quantum electrodynamics to one-loop order. It introduces renormalization schemes to fix finite parts of counterterms and dimensional regularization to control asymptotic expansions. For a scalar field theory, it shows that the mass parameter receives quadratic divergences from one-loop self-energy diagrams, while counterterms can be tuned to make results finite in the continuum limit. Counterterms contribute to self-energies at
- Author
- teo tres
- Language
- EN