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Conformal symmetry breaking and evolution equations in Quantum Chromodynamics

Strohmaier, Matthias (2018) Conformal symmetry breaking and evolution equations in Quantum Chromodynamics. PhD, Universität Regensburg.

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Date of publication of this fulltext: 04 Jul 2018 11:22

Abstract (English)

In this thesis we present the evolution equation for non-singlet leading-twist operators in QCD to next-to-next-to-leading order in an expansion in the strong coupling constant. The method we use is based on conformal symmetry arguments. Using Ward identities we derive the conformal symmetry breaking in QCD in integer dimensions -- also known as conformal anomaly -- to two-loop accuracy. This ...

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Translation of the abstract (German)

In dieser Arbeit präsentieren wir die Renormierungsgruppen-Gleichung für nicht-singlet twist-2 Operatoren in QCD bis zur dritten Ordnung in der störungstheoretischen Entwicklung. Die angewandte Methode beruht auf Symmetrieüberlegungen der konformen Symmetry-Gruppe. Mithilfe von Ward-Identitäten untersuchen wir die Anomalie der konformen Symmetriebrechung in QCD bis zur zweiten Ordnung in der ...

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Item type:Thesis of the University of Regensburg (PhD)
Date:2018
Referee:Prof. Dr. Vladimir Braun
Date of exam:27 June 2018
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Vladimir Braun
Keywords:Conformal Symmetry, Renormalization Group equation, evolution equation, QCD
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:37432
Owner only: item control page

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