On the property of Cachazo-Intriligator-Vafa prepotential at the extremum of the superpotential

Abstract

We consider CIV-DV prepotential F for N=1 SU(n) SYM theory at the extremum of the effective superpotential and prove the relation $2F-SdF/dS=-2u_{2}Lambd{a}^{2}n/(n^2-1)$

LaTeX, 10 pages; v2: some misprints corrected; v3: submitted to Phys.Rev.D