Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2010)065
Keywords
Supersymmetric Effective Theories; Superstrings and Heterotic Strings; Supergravity Models; Superstring Vacua
Categories
Funding
- DOE [FG02-84-ER40153]
- NSF [PHY-0758029, 0529954]
- NSERC
- Van der Waals Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0529954] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0758029] Funding Source: National Science Foundation
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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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