Centre Vortices in the Presence of Dynamical Fermions
James Biddle, Waseem Kamleh, Derek Leinweber
TL;DR
This study investigates how centre vortices influence confinement in QCD when dynamical fermions are present, showing they better explain long-range interactions and infrared behavior compared to pure gauge theories.
Contribution
It provides the first analysis of centre vortices with dynamical fermions, demonstrating their role in confinement-related phenomena in QCD.
Findings
Centre vortices better capture long-range QCD behavior with dynamical fermions.
Evidence that centre vortices are responsible for the linear potential in QCD.
Enhanced infrared gluon propagator linked to centre vortices.
Abstract
The behaviour of centre vortices in the presence of dynamical fermions is studied for the first time in the context of the static quark potential and the Landau-gauge gluon propagator. These results indicate that in the presence of dynamical fermions, centre vortices are able to better encapsulate the long-range behaviour of QCD, compared to previous studies on pure Yang-Mills lattices. This work provides strong evidence that centre vortices are responsible for the long-range linear potential and the enhanced infrared gluon propagator, which are indicative of confinement in QCD.
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Quantum Chromodynamics and Particle Interactions · Cold Atom Physics and Bose-Einstein Condensates