No-π schemes for multi-coupling theories

2023/11/21 by I. Jack, Jack, I.
Physics and Astronomy · #Black Holes and Theoretical Physics #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.2311.12766

openalex publication_date 2023/11/21 · openalex created_date 2023/11/24 · openalex updated_date 2026/07/28

Abstract

We show that even ζ-functions may be removed from the β-functions of general multi-coupling theories up to high loop order by means of coupling redefinitions. For theories whose β-function is determined by the anomalous dimensions of the fields, such as supersymmetric theories, this corresponds to a renormalisation scheme change to a momentum subtraction scheme.

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