Revival of Non-Abelian Monopoles and Confinement in QCD

TL;DR

This paper reviews how non-Abelian monopoles influence confinement in supersymmetric gauge theories and discusses implications for understanding the confinement mechanism in QCD.

Contribution

It clarifies the role of non-Abelian monopoles in the infrared dynamics of supersymmetric theories and explores their relevance to QCD confinement.

Findings

Non-Abelian monopoles are central to infrared dynamics in confining vacua.

Insights from supersymmetric theories inform QCD confinement mechanisms.

The study emphasizes the importance of monopoles in non-Abelian gauge theories.

Abstract

Central role played by certain non-Abelian monopoles (of Goddard-Nuyts-Olive-Weinberg type) in the infrared dynamics in many confining vacua of softly broken ${\cal N}=2$ supersymmetric gauge theories, has recently been clarified. We discuss here the main lessons to be learned from these studies for the confinement nechanism in QCD.