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arXiv · hep-th/0001062

Gauge and Gravitational Couplings from Modular Orbits in Orbifold Compactifications

Christos Kokorelis
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Abstract

We discuss the appearance of modular functions at the one-loop gauge and gravitational couplings in (0,2) non-decomposable N=1 four dimensional orbifold compactifications of the heterotic string. We define the limits for the existence of states causing singularities in the moduli space in the perturbative regime for a generic vacuum of the heterotic string. The "proof" provides evidence for the explanation of the stringy Higgs effect.

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Christos Kokorelis. 2000-01-11. Gauge and Gravitational Couplings from Modular Orbits in Orbifold Compactifications. https://doi.org/10.1016/s0370-2693(00)00208-2

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