Connection Between Color Confinement and the Gluon Mass
M. Chaichian, K. Nishijima
TL;DR
This paper discusses two phases of QCD distinguished by gauge choices, where one phase exhibits color confinement with massive gluons, and the other phase lacks confinement with massless gluons.
Contribution
It proposes a connection between color confinement and gluon mass, linked to different gauge parameter choices in QCD.
Findings
Color confinement correlates with massive gluons in one phase.
Massless gluons occur in a phase without confinement.
Two distinct phases of QCD are identified based on gauge parameters.
Abstract
It is argued that there are two phases in QCD distinguished by different choices of the gauge parameter. In one phase the color confinement is realized and gluons turn out to be massive, whereas in the other phase it ceases to be realized, but the gluons remain massless.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research