Functional Callan-Symanzik equation for QED

Details Functional Callan-Symanzik equation for QED Functional Callan-Symanzik equation for QED

2001-11-16

arxiv.org/abs/hep-th/0111152v2

Phys.Lett. B531 (2002) 316-320

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, no figures

Scientific paper

10.1016/S0370-2693(02)01482-X

An exact evolution equation, the functional generalization of the
Callan-Symanzik method, is given for the effective action of QED where the
electron mass is used to turn the quantum fluctuations on gradually. The usual
renormalization group equations are recovered in the leading order but no
Landau pole appears.

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