Casimir scaling in G(2) lattice gauge theory

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dc.creatorLiptak, L.
dc.creatorOlejnik, S.
dc.date2008-07-09
dc.date2008-09-25
dc.date.accessioned2026-07-07T11:52:25Z
dc.date.available2026-07-07T11:52:25Z
dc.descriptionWe computed potentials between static color sources from the six lowest representations of G(2) lattice gauge theory, in numerical simulations with the Wilson action on asymmetric lattices with nonperturbatively estimated values of the bare anisotropy. We present evidence for (approximate) Casimir scaling of the obtained intermediate string tensions. The agreement with the Casimir-scaling prediction improves by increasing the coupling beta in the weak-coupling region above the crossover observed in G(2) gauge theory. The result naturally fits into confinement models with magnetic disorder and vacuum domain structure, but may represent a challenge for other approaches.
dc.description14 pages, 12 figures (24 EPS files), RevTeX4. In v2: typos corrected, discussion of systematic errors and of smearing expanded, references added. Version to appear in Phys. Rev. D
dc.identifierhttps://arxiv.org/abs/0807.1390
dc.identifierhttp://arxiv.org/abs/0807.1390
dc.identifierPhys.Rev.D78:074501,2008
dc.identifierdoi:10.1103/PhysRevD.78.074501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204222
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Theory
dc.titleCasimir scaling in G(2) lattice gauge theory
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