Center vortices and the quark propagator in SU(2) gauge theory

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dc.contributor.authorBowman, P.
dc.contributor.authorLangfeld, K.
dc.contributor.authorLeinweber, D.
dc.contributor.authorCass, A.
dc.contributor.authorSternbeck, A.
dc.contributor.authorVon Smekal, L.
dc.contributor.authorWilliams, A.
dc.date.issued2008
dc.description.abstractWe study the behavior of the AsqTad quark propagator in Landau gauge on quenched SU(2) gauge configurations under the removal of center vortices. In contrast to recent results in SU(3), we clearly see the infrared enhancement of the mass function disappear if center vortices are removed, a sign of the intimate relation between center vortices and chiral symmetry breaking in SU(2) gauge-field theory. These results provide a benchmark with which to interpret the SU(3) results. In addition, we consider vortex-only configurations. On those, the quark dressing function behaves roughly as on the full configurations, and the mass function picks up an almost linear momentum dependence.
dc.description.statementofresponsibilityPatrick O. Bowman, Kurt Langfeld, Derek B. Leinweber, Alan O' Cais, Andre Sternbeck, Lorenz von Smekal and Anthony G. Williams
dc.identifier.citationPhysical Review D: Particles, Fields, Gravitation and Cosmology, 2008; 78(5):054509-1-054509-7
dc.identifier.doi10.1103/PhysRevD.78.054509
dc.identifier.issn1550-7998
dc.identifier.issn1550-2368
dc.identifier.orcidLeinweber, D. [0000-0002-4745-6027]
dc.identifier.orcidWilliams, A. [0000-0002-1472-1592]
dc.identifier.urihttp://hdl.handle.net/2440/49063
dc.language.isoen
dc.publisherAmerican Physical Soc
dc.rights©2008 American Physical Society
dc.source.urihttps://doi.org/10.1103/physrevd.78.054509
dc.titleCenter vortices and the quark propagator in SU(2) gauge theory
dc.typeJournal article
pubs.publication-statusPublished

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