On Determining the Running Coupling from the Effective Action

Authors

  • D.G.C. Mckeon Department of Applied Mathematics, University of Western Ontario, Department of Mathematics and Computer Science, Algoma University

DOI:

https://doi.org/10.15407/ujpe60.06.0497

Keywords:

running coupling, gauge theory

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 constant and to compare it with conventional expansions obtained by directly integrating the differential equation for the running coupling constant.

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UJP 2015 V60 #6

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Published

2019-01-17

Issue

Vol. 60 No. 6 (2015)

Section

Fields and elementary particles

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How to Cite

On Determining the Running Coupling from the Effective Action. (2019). Ukrainian Journal of Physics, 60(6), 497. https://doi.org/10.15407/ujpe60.06.0497