Role of center vortices in chiral symmetry breaking in SU(3) gauge theory
Patrick O. Bowman, Kurt Langfeld, Derek B. Leinweber, Andr\'e, Sternbeck, Lorenz von Smekal, Anthony G. Williams
TL;DR
This study investigates the impact of center vortices on chiral symmetry breaking in SU(3) gauge theory, revealing a weak dependence and the persistence of dynamical mass generation even when vortices are removed.
Contribution
It provides new insights into the role of center vortices in SU(3) gauge theory, showing their limited influence on chiral symmetry breaking compared to SU(2).
Findings
Weak dependence of quark propagator on vortex content.
Dynamical mass generation persists without vortices.
Vortex removal does not eliminate chiral symmetry breaking.
Abstract
We study the behavior of the AsqTad quark propagator in Landau gauge on SU(3) Yang-Mills gauge configurations under the removal of center vortices. In SU(2) gauge theory, center vortices have been observed to generate chiral symmetry breaking and dominate the infrared behavior of the quark propagator. In contrast, we report a weak dependence on the vortex content of the gauge configurations, including the survival of dynamical mass generation on configurations with vanishing string tension.
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