Solving a Set of Truncated Dyson-Schwinger Equations with a Globally Converging Method

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dc.creatorMaas, Axel
dc.date2005-04-14
dc.date2006-03-08
dc.date.accessioned2026-07-07T06:38:20Z
dc.date.available2026-07-07T06:38:20Z
dc.descriptionA globally converging numerical method to solve coupled sets of non-linear integral equations is presented. Such systems occur e.g. in the study of Dyson-Schwinger equations of Yang-Mills theory and QCD. The method is based on the knowledge of the qualitative properties of the solution functions in the far infrared and ultraviolet. Using this input, the full solutions are constructed using a globally convergent modified Newton iteration. Two different systems will be treated as examples: The Dyson-Schwinger equations of 3-dimensional Yang-Mills-Higgs theory provide a system of finite integrals, while those of 4-dimensional Yang-Mills theory at high temperatures are only finite after renormalization.
dc.description23 pages, 3 figures, 4 tables, submitted to Comput. Phys. Commun; one subsection expanded with additional technical details, a few other minor modifications and updates, version to appear in Comput. Phys. Commun
dc.identifierhttps://arxiv.org/abs/hep-ph/0504110
dc.identifierhttp://arxiv.org/abs/hep-ph/0504110
dc.identifierComput.Phys.Commun. 175 (2006) 167-179
dc.identifierdoi:10.1016/j.cpc.2006.02.005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100699
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectOther Condensed Matter
dc.subjectNuclear Theory
dc.titleSolving a Set of Truncated Dyson-Schwinger Equations with a Globally Converging Method
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