Jumping Through Loops: On Soft Terms from Large Volume Compactifications

Details Jumping Through Loops: On Soft Terms from Large Volume Compactifications Jumping Through Loops: On Soft Terms from Large Volume Compactifications

2007-04-05

arxiv.org/abs/0704.0737v2

JHEP0709:031,2007

Physics

High Energy Physics

High Energy Physics - Theory

57 pages

Scientific paper

10.1088/1126-6708/2007/09/031

We subject the phenomenologically successful large volume scenario of hep-th/0502058 to a first consistency check in string theory. In particular, we consider whether the expansion of the string effective action is consistent in the presence of D-branes and O-planes. Due to the no-scale structure at tree-level, the scenario is surprisingly robust. We compute the modification of soft supersymmetry breaking terms, and find only subleading corrections. We also comment that for large-volume limits of toroidal orientifolds and fibered Calabi-Yau manifolds the corrections can be more important, and we discuss further checks that need to be performed.

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