TY - JOUR
T1 - Role of centre vortices in dynamical mass generation
AU - Leinweber, Derek B.
AU - Bowman, Patrick O.
AU - Heller, Urs M.
AU - Kusterer, Daniel-Jens
AU - Langfeld, Kurt
AU - Williams, Anthony G.
PY - 2006
Y1 - 2006
N2 - The mass and renormalization functions of the nonperturbative quark propagator are studied in SU(3) gauge field theory with a Symanzik-improved gluon action and the AsqTad fermion action. Centre vortices in the gauge field are identified by fixing to maximal centre gauge. The role of centre vortices in dynamical mass generation is explored by removing centre vortices from the gauge fields and studying the associated changes in the quark propagator. We find that dynamical mass generation survives in the vortex-removed SU(3) gauge field theory despite the vanishing of the string tension and suppression of the gluon propagator in the infrared suggesting the possibility of decoupling dynamical mass generation from confinement.
AB - The mass and renormalization functions of the nonperturbative quark propagator are studied in SU(3) gauge field theory with a Symanzik-improved gluon action and the AsqTad fermion action. Centre vortices in the gauge field are identified by fixing to maximal centre gauge. The role of centre vortices in dynamical mass generation is explored by removing centre vortices from the gauge fields and studying the associated changes in the quark propagator. We find that dynamical mass generation survives in the vortex-removed SU(3) gauge field theory despite the vanishing of the string tension and suppression of the gluon propagator in the infrared suggesting the possibility of decoupling dynamical mass generation from confinement.
UR - https://go.openathens.net/redirector/westernsydney.edu.au?url=https://doi.org/10.1016/j.nuclphysbps.2006.08.065
U2 - 10.1016/j.nuclphysbps.2006.08.065
DO - 10.1016/j.nuclphysbps.2006.08.065
M3 - Article
VL - 161
SP - 130
EP - 135
JO - Nuclear Physics B-Proceedings Supplements
JF - Nuclear Physics B-Proceedings Supplements
ER -