Proving the Absence of the Perturbative Corrections to the N=2 U(1) Kähler Potential Using the N=1 Supergraph Techniques
arXiv:1111.3723
Abstract
Perturbative N=2 non-renormalization theorem states that there is no perturbative correction to the Kahler potential \int d^4θK(Φ,\barΦ). We prove this statement by using the N=1 supergraph techniques. We consider the N=2 supersymmetric U(1) gauge theory which possesses general prepotential F(Ψ).
22 pages, 19 figures, factor in Eq.(34) was corrected