Brane world effective actions for D-branes with fluxes

Details Brane world effective actions for D-branes with fluxes Brane world effective actions for D-branes with fluxes

2005-12-06

arxiv.org/abs/hep-th/0512067v2

Nucl.Phys.B743:1-40,2006

Physics

High Energy Physics

High Energy Physics - Theory

52 pages, 3 figures; several references added

Scientific paper

10.1016/j.nuclphysb.2006.02.044

We develop systematic string techniques to study brane world effective actions for models with magnetized (or equivalently intersecting) D-branes. In particular, we derive the dependence on all NS-NS moduli of the kinetic terms of the chiral matter in a generic non-supersymmetric brane configurations with non-commuting open string fluxes. Near a N=1 supersymmetric point the effective action is consistent with a Fayet-Iliopoulos supersymmetry breaking and the normalization of the scalar kinetic terms is nothing else than the Kahler metric. We also discuss, from a stringy perspective, D and F term breaking mechanisms, and how, in this generic set up, the Kahler metric enters in the physical Yukawa couplings.

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