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Color dependence of the topological susceptibility in Yang-Mills theories

Ed Bennett Orcid Logo, Deog Ki Hong Orcid Logo, Jong-Wan Lee, C.-J. David Lin, Biagio Lucini Orcid Logo, Maurizio Piai Orcid Logo, Davide Vadacchino

Physics Letters B, Start page: 137504

Swansea University Authors: Ed Bennett Orcid Logo, Biagio Lucini Orcid Logo, Maurizio Piai Orcid Logo

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Abstract

For Yang-Mills theories in four dimensions, we propose to rescale the ratio between topological susceptibility and string tension squared in a universal way, dependent only on group factors. We apply this suggestion to SU(Nc) and Sp(Nc) groups, and compare lattice measurements performed by several i...

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Published in: Physics Letters B
ISSN: 0370-2693
Published: Elsevier BV 2022
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa61553
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Abstract: For Yang-Mills theories in four dimensions, we propose to rescale the ratio between topological susceptibility and string tension squared in a universal way, dependent only on group factors. We apply this suggestion to SU(Nc) and Sp(Nc) groups, and compare lattice measurements performed by several independent collaborations. We show that the two sequences of (rescaled) numerical results in these two families of groups are compatible with each other. We hence perform a combined fit, and extrapolate to the common large-Nc limit.
College: Faculty of Science and Engineering
Funders: European Regional Development Fund (ERDF) via Welsh Government under operation numbers 80898, 80900UKRI ST/P00055X/1 and No. ST/T000813/1, Korea government (MSIT) (NRF-2018R1C1B3001379), Royal Society Wolfson Research Merit Award WM170010, Leverhulme Trust Research Fellowship No. RF-2020-4619, STFC capital grants ST/K000373/1, ST/R002363/1, STFC DiRAC Operations grant ST/R001014/1.
Start Page: 137504