Perturbation theory and renormalisation group equations

Preprint

21 November 2001

preprint
Published by arXiv in arXiv

Abstract

We discuss the perturbative expansion of several one-loop improved renormalisation group equations. It is shown that in general the integrated renormalisation group flows fail to reproduce perturbation theory beyond one loop.

Keywords

RENORMALISATION GROUP EQUATIONS
IMPROVED RENORMALISATION
REPRODUCE PERTURBATION
PERTURBATION THEORY
LOOP IMPROVED
GROUP FLOWS

All Related Versions

Version 1, 2001-11-21, ArXiv
Version 2, 2001-11-22, ArXiv
Version 3, 2002-02-27, ArXiv
Published version: Physical Review D, 65 (8), 081701.

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