Adjoint 2D QCD and Pure 3D QCD: A Comparison of Spectra
F. Antonuccio, S. Dalley
TL;DR
This paper compares the spectra of adjoint 2D QCD derived from 3D pure gauge theory with lattice data, revealing insights into glueball states and the dynamics of transversely polarized gluons.
Contribution
It introduces a non-perturbative analysis of adjoint 2D QCD via light-front quantization and compares it with lattice results for 3D QCD, highlighting the connection between theories.
Findings
Identification of lightest glueball states in adjoint 2D QCD
Comparison shows qualitative agreement with lattice Monte Carlo data
Insights into gluon dynamics in reduced dimensions
Abstract
We briefly review the 1+1-dimensional SU(N) gauge theory minimally coupled to an adjoint scalar, based upon a dimensional reduction of 2+1-dimensional pure gauge theory, which approximates the dynamics of the transversely polarized gluon. The lightest glueball states are investigated non-perturbatively using light-front quantisation in the large-N limit a la 't Hooft, and the physical meaning of the results elucidated. Comparison is made with recent lattice Monte Carlo data for 3-dimensional quenched QCD.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies