Holomorphic effective potential in general chiral superfield model

Abstract

We study a holomorphic effective potential $W_{eff}(\Phi )$ in chiral superfield model defined in terms of arbitrary kählerian potential $K(\bar{\Phi },\Phi )$ and arbitrary chiral potential $W(\Phi )$. Such a model naturally arises as an ingredient of low-energy limit of superstring theory and it is called here the general chiral superfield model. Generic procedure for calculating the chiral loop corrections to effective action is developed. We find lower two-loop correction in the form $W_{eff}^{(2)}(\Phi )=6/(4\pi {)}^4{\bar{W}}^{{}^{\prime \prime \prime }2}(0){(\frac{W^{{}^{\prime \prime }}(\Phi )}{K_{\Phi \bar{\Phi }(0,\Phi )}^2})}^3$ where $K_{\Phi \bar{\Phi }}(0,\Phi )=\frac{{\partial }^{2}K(\bar{\Phi },\Phi )}{\partial \Phi \partial \bar{\Phi }}{|}_{\bar{\Phi }=0}$ and $\zeta (x)$ be Riemannian zeta-function. This correction is finite at any $K(\bar{\Phi },\Phi ),W(\Phi )$.

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