Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-04-27
Mod.Phys.Lett. A13 (1998) 1623-1636
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, latex, no figures, some comments added
Scientific paper
10.1142/S0217732398001704
We analyse the one-loop effective action of N=4 SYM theory in the framework of the background field formalism in N=2 harmonic superspace. For the case of on-shell background N=2 vector multiplet we prove that the effective action is free of harmonic singularities. When the lowest N=1 superspace component of the N=2 vector multiplet is switched off, the effective action of N=4 SYM theory is shown to coincide with that obtained by Grisaru et al on the base of the N=1 background field method. We compute the leading non-holomorphic corrections to the N=4 SU(2) SYM effective action.
Buchbinder Ioseph L.
Kuzenko Sergei M.
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