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https://hdl.handle.net/2440/36207
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Type: | Conference paper |
Title: | Role of centre vortices in dynamical mass generation |
Author: | Leinweber, D. Bowman, P. Heller, U. Kusterer, D. Langfeld, K. Williams, A. |
Citation: | Nuclear Physics B-Proceedings Supplements, 2006; 161:130-135 |
Publisher: | Elsevier Science BV |
Publisher Place: | PO Box 211 Amsterdam Netherlands 1000 AE |
Issue Date: | 2006 |
ISSN: | 0920-5632 1873-3832 |
Conference Name: | Cairns Topical Workshop on Light-Cone QCD and Nonperturbative Hadron Physics (2005 : Cairns, Qld.) |
Statement of Responsibility: | Derek B. Leinweber, Patrick O. Bowman, Urs M. Heller, Daniel-Jens Kusterer, Kurt Langfeld and Anthony G. Williams |
Abstract: | 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. © 2006 Elsevier B.V. All rights reserved. |
Description: | Copyright © 2006 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.nuclphysbps.2006.08.065 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/505717/description#description |
Published version: | http://dx.doi.org/10.1016/j.nuclphysbps.2006.08.065 |
Appears in Collections: | Aurora harvest Physics publications |
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