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Scenario for quark confinement from infrared safe Yang-Mills dynamics

Marcela Peláez1, Urko Reinosa2, Julien Serreau3, Matthieu Tissier4, and Nicolás Wschebor1

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Phys. Rev. D 112, 094017 – Published 12 November, 2025

DOI: https://doi.org/10.1103/rk6n-t66l

Abstract

We revisit the non-Abelian dipole problem in the context of a simple semiclassical approach that incorporates some essential features of the infrared sector of Yang-Mills theories in the Landau gauge, in particular, the fact that both the running coupling and the gluon propagator remain finite at infrared scales and that the latter shows positivity violations that reflects the presence of massless modes. We obtain a simple flux tube solution in a controlled approximation scheme, which we compare to the results of lattice simulations.

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Phys. Rev. D 112, 094017– Published 12 November, 2025
  • Received 30 May 2024
  • Revised 17 January 2025
  • Accepted 4 September 2025
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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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