The Leading Quantum Corrections to Stringy Kahler Potentials

Details The Leading Quantum Corrections to Stringy Kahler Potentials The Leading Quantum Corrections to Stringy Kahler Potentials

2010-07-27

arxiv.org/abs/1007.4793v3

JHEP 1010:065,2010

Physics

High Energy Physics

High Energy Physics - Theory

33 pages, LaTeX; modified section 5

Scientific paper

10.1007/JHEP10(2010)065

The structure of stringy quantum corrections to four-dimensional effective theories is particularly interesting for string phenomenology and attempts to stabilize moduli. We consider the heterotic string compactified on a Calabi-Yau space. For this case, we compute the leading corrections to the kinetic terms of moduli fields. The structure of these corrections is largely dictated by the underlying higher-dimensional extended supersymmetry. We find corrections generically of order (alpha')^2 rather than of order (alpha')^3 found in type II compactifications or heterotic compactifications with the standard embedding. We explore the implications of these corrections for breaking no-scale structure.

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