The Relationship between Bare and Renormalized Couplings in Scalar Electrodynamics

Details The Relationship between Bare and Renormalized Couplings in Scalar Electrodynamics The Relationship between Bare and Renormalized Couplings in Scalar Electrodynamics

2009-02-12

arxiv.org/abs/0902.2205v1

Mod.Phys.Lett.A24:1823-1828,2009

Physics

High Energy Physics

High Energy Physics - Theory

6 pages

Scientific paper

10.1142/S0217732309031235

When using dimensional regularization, the bare couplings are expressed as a
power series in (2 - n/2)^{-1} where n is the number of dimensions. It is shown
how the renormalization group can be used to sum the leading pole, next to
leading pole etc. contributions to these sums in scalar electrodynamics (or any
theory with multiple couplings.)

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