On the D = 4, N = 2 Non-Renormalization Theorem

Details On the D = 4, N = 2 Non-Renormalization Theorem On the D = 4, N = 2 Non-Renormalization Theorem

1997-10-17

arxiv.org/abs/hep-th/9710142v2

Phys.Lett. B433 (1998) 335-345

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, LATEX, uses FEYMAN macros, minor changes

Scientific paper

10.1016/S0370-2693(98)00688-1

Using the harmonic superspace background field formulation for general D=4, N=2 super Yang-Mills theories, with matter hypermultiplets in arbitrary representations of the gauge group, we present the first rigorous proof of the N=2 non-renormalization theorem; specifically, the absence of ultraviolet divergences beyond the one-loop level. Another simple consequence of the background field formulation is the absence of the leading non-holomorphic correction to the low-energy effective action at two loops.

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