Role of center vortices in chiral symmetry breaking in SU(3) gauge theory

Patrick O. Bowman, Kurt Langfeld, Derek B. Leinweber, André Sternbeck, Lorenz von Smekal, and Anthony G. Williams

Phys. Rev. D 84, 034501 – Published 4 August 2011

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 support the infrared behavior of the quark propagator. In contrast, we report a weak dependence on the vortex content of the SU(3) gauge configurations, including the survival of dynamical mass generation on configurations with vanishing string tension.

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Received 25 October 2010

DOI:https://doi.org/10.1103/PhysRevD.84.034501

Authors & Affiliations

Patrick O. Bowman¹, Kurt Langfeld², Derek B. Leinweber³, André Sternbeck^3,4, Lorenz von Smekal^3,5, and Anthony G. Williams³

¹Centre for Theoretical Chemistry and Physics, and Institute of Natural Sciences, Massey University (Albany), Private Bag 102904, North Shore MSC, New Zealand
²School of Maths & Stats, University of Plymouth, Plymouth, PL4 8AA, England
³Centre for the Subatomic Structure of Matter (CSSM), School of Chemistry & Physics, University of Adelaide 5005, Australia
⁴Institut für Theoretische Physik, Universität Regensburg, D-93040 Regensburg, Germany
⁵Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany

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Vol. 84, Iss. 3 — 1 August 2011

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