The running coupling from lattice gauge theory:

TL;DR

This paper reviews lattice gauge theory calculations of the running coupling in SU(N) theories, highlighting the UKQCD collaboration's work and providing an introductory overview of the methods and findings.

Contribution

It presents an accessible overview of lattice-based calculations of the running coupling, emphasizing recent results from the UKQCD collaboration.

Findings

Demonstrates the feasibility of calculating the running coupling on the lattice

Provides preliminary results consistent with continuum expectations

Highlights the importance of lattice methods in non-perturbative QCD studies

Abstract

I discuss some calculations of the running coupling in SU($N$) gauge theories from lattice simulations, centering on the work of the UKQCD collaboration. This talk is introductory in nature; full details have been published elsewhere.