A first look at Landau-gauge propagators in G2 Yang-Mills theory

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dc.creatorMaas, Axel
dc.creatorOlejnik, Stefan
dc.date2007-11-09
dc.date2007-12-19
dc.date.accessioned2026-07-07T12:24:02Z
dc.date.available2026-07-07T12:24:02Z
dc.descriptionG_2 Yang--Mills theory is an interesting laboratory to investigate non-perturbative effects. On one hand, no conventional quark confinement via a linearly rising potential is present. On the other hand, its thermodynamic properties are similar to ordinary SU(N) Yang--Mills theory. Finally, it has been conjectured that gluons are removed from the physical spectrum in the same way as in SU(N) Yang--Mills theory. The last claim will be explored by determining the Landau-gauge ghost and gluon propagators, as well as the Faddeev--Popov operator eigenspectrum, in G_2 lattice gauge theory in two and three dimensions. The results are found to agree qualitatively with the SU(2) and SU(3) case. Therefore, the conjecture that Yang--Mills theories with different gauge groups are qualitatively similar on the level of their Landau gauge Green's functions is supported.
dc.description22 pages, 4 figures, 2 tables; in v2: One figure added, added statistics, extended discussion on some topics, various minor changes
dc.identifierhttps://arxiv.org/abs/0711.1451
dc.identifierhttp://arxiv.org/abs/0711.1451
dc.identifierJHEP 0802:070,2008
dc.identifierdoi:10.1088/1126-6708/2008/02/070
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214197
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleA first look at Landau-gauge propagators in G2 Yang-Mills theory
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