Strong Coupling QCD in the Continuum
M.R. Pennington
TL;DR
This paper reviews continuum strong coupling QCD studies, highlighting how the Schwinger-Dyson/Bethe-Salpeter approach links perturbative and non-perturbative regimes to understand hadron properties driven by a single scale, 5_{QCD}.
Contribution
It presents an overview of continuum strong coupling QCD methods, emphasizing their role in connecting perturbative and non-perturbative physics of hadrons.
Findings
Schwinger-Dyson/Bethe-Salpeter approach effectively connects regimes
Single scale 5_{QCD} governs light hadron properties
Extension to heavy flavors with current masses
Abstract
A short overview of studies of strong coupling problems in hadron physics is presented. The Schwinger-Dyson/Bethe-Salpeter approach in the continuum allows the perturbative regime to be connected to the world of strong coupling that controls confinement and chiral dynamics that in turn determines the properties of light hadrons with just one scale, {\it viz.} , and with the addition of current masses the properties of heavy flavours too.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research · Cold Atom Physics and Bose-Einstein Condensates