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  • Letter
  • Open Access

Numerical indication that center vortices drive dynamical mass generation in QCD

Waseem Kamleh*, Derek B. Leinweber, and Adam Virgili

  • Special Research Centre for the Subatomic Structure of Matter (CSSM), Department of Physics, University of Adelaide, Adelaide, South Australia 5005, Australia

  • *Contact author: waseem.kamleh@adelaide.edu.au
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Phys. Rev. D 110, L051502 – Published 18 September, 2024

DOI: https://doi.org/10.1103/PhysRevD.110.L051502

Abstract

The first calculation of the response of the momentum space quark propagator to center vortices in the ground state fields of QCD is presented. Center vortices are identified on 2+1-flavor dynamical gauge fields with mπ≃156  MeV to obtain the vortex-removed and vortex-only quark propagator. Dynamical mass generation is found to vanish upon vortex removal, while the vortex-only field is able to generate dynamical mass. These new signatures strengthen the lattice QCD evidence indicating that center vortices underpin both dynamical chiral symmetry breaking and quark confinement.

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Phys. Rev. D 110, L051502– Published 18 September, 2024
  • Received 31 May 2023
  • Accepted 19 August 2024
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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