On Determining the Running Coupling from the Effective Action

2012/06/26 by D. G. C. McKeon, McKeon, D. G. C., Alexander Patrushev +2
Physics and Astronomy · #Black Holes and Theoretical Physics #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph #hep-th

paper · pdf · doi:10.48550/arxiv.1206.6096

6+3 pages, discussion extended, references added, typos fixed

openalex publication_date 2012/06/26 · arxiv created 2012/10/01 · arxiv updated 2012/10/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The conformal anomaly has provided an expression for the effective action of gauge theories in the presence of a strong background field in terms of the running coupling constant. We exploit this result to find a novel expansion for the running coupling.

Related

• The running coupling from lattice gauge theory:
• Running Coupling in pure gauge theories using the Schrödinger functional
• Effective Action, Conformal Anomaly and the Issue of Quadratic Divergences
• On the local term in the anomaly-induced action of Weyl quantum gravity
• Effective field theory program for conformal quantum anomalies