Abstract
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 super-symmetry. We find corrections generically of order α ′2 rather than of order α ′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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ArXiv ePrint: 1007.4793
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Anguelova, L., Quigley, C. & Sethi, S. The leading quantum corrections to stringy Kähler potentials. J. High Energ. Phys. 2010, 65 (2010). https://doi.org/10.1007/JHEP10(2010)065
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DOI: https://doi.org/10.1007/JHEP10(2010)065