Gravitational Dressing of N=2 Sigma-Models Beyond Leading Order
S. Penati, A. Santambrogio, D. Zanon
Abstract
We study the beta-function of the N=2 sigma-model coupled to N=2 induced supergravity. We compute corrections to first order in the semiclassical limit, c -∞, beyond one-loop in the matter fields. As compared to the corresponding bosonic, metric sigma-model calculation, we find new types of contributions arising from the dilaton coupling automatically accounted for, once the Kähler potential is coupled to N=2 supergravity.
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