Quark Confinement Physics in Quantum Chromodynamics
Y. Koma (RCNP), H. Suganuma (RCNP), K. Amemiya (RCNP), M., Fukushima(RCNP), and H. Toki(RCNP)
TL;DR
This paper investigates quark confinement in QCD through lattice simulations, focusing on abelian dominance and monopole condensation, and applies the dual Ginzburg-Landau theory to hadron and glueball studies.
Contribution
It demonstrates the connection between monopole phenomena and confinement, and develops an effective DGL theory for nonperturbative QCD applications.
Findings
Evidence of abelian dominance and monopole condensation in lattice QCD
Successful application of DGL theory to hadron and glueball properties
Insights into the dual superconductor model of the QCD vacuum
Abstract
We study abelian dominance and monopole condensation for the quark confinement physics using the lattice QCD simulations in the MA gauge. These phenomena are closely related to the dual superconductor picture of the QCD vacuum, and enable us to construct the dual Ginzburg-Landau (DGL) theory as an useful effective theory of nonperturbative QCD. We then apply the DGL theory to the studies of the low-lying hadron structure and the scalar glueball properties.
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