Publications
Publication Information
| Title | Centre vortex removal restores chiral symmetry |
| Authors | Derek Leinweber, Daniel Trewartha, Waseem Kamleh |
| JLAB number | JLAB-THY-18-2625 |
| LANL number | arXiv:1708.06789 |
| Other number | DOE/OR/23177-4320 |
| Document Type(s) | (Journal Article) |
| Associated with EIC: | No |
| Supported by Jefferson Lab LDRD Funding: | No |
| Funding Source: | High Energy Physics (HEP) |
|
Journal Compiled for Journal of Physics G: Nucl. Part. Phys. Volume 44 Issue 12 Page(s) 125002 Refereed | |
| Publication Abstract: | The influence of centre vortices on dynamical chiral symmetry breaking is investigated through the light hadron spectrum on the lattice. Recent studies of the quark propagator and other quantities have provided evidence that centre vortices are the fundamental objects underpinning dynamical chiral symmetry breaking in SU(3) gauge theory. For the first time, we use the chiral overlap fermion action to study the low-lying hadron spectrum on lattice ensembles consisting of Monte Carlo, vortex-removed, and vortex-projected gauge fields. We find that gauge field configurations consisting solely of smoothed centre vortices are capable of reproducing all the salient features of the hadron spectrum, including dynamical chiral symmetry breaking. The hadron spectrum on vortex-removed fields shows clear signals of chiral symmetry restoration at light values of the bare quark mass, while at heavy masses the spectrum is consistent with a theory of weakly-interacting constituent quarks. |
| Experiment Numbers: | other |
| Group: | THEORY CENTER |
| Document: | |
| DOI: | http://dx.doi.org/10.1088/1361-6471/aa9443 |
| Accepted Manuscript: | jlabVortHadSpec.pdf |
| Supporting Documents: | |
| Supporting Datasets: | |