Phys. Rev. D 65, 081701(R) (2002) [5 pages]

Perturbation theory and renormalization group equations

Abstract

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Daniel F. Litim^*
Theory Division, CERN, CH-1211 Geneva 23, Switzerland

Jan M. Pawlowski^†
Institut für Theoretische Physik III, Universität Erlangen, D-91054 Erlangen, Germany

Received 22 November 2001; published 5 April 2002

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

URL:

http://link.aps.org/doi/10.1103/PhysRevD.65.081701

DOI:

10.1103/PhysRevD.65.081701

PACS:

11.10.Gh, 05.10.Cc

^*Email address: Daniel.Litim@cern.ch

^†Email address: jmp@theorie3.physik.uni-erlangen.de

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Phys. Rev. D 65, 081701(R) (2002) [5 pages]

Perturbation theory and renormalization group equations