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GUTs in Global Type IIB Orientifolds

Thomas Grimm (Bonn)

20.11.2008 at 16:15 

I discuss the construction of globally consistent GUT models from intersecting D7-branes on genuine Calabi-Yau orientifolds. After some general remarks on the global constraints and the low energy effective action I present a class of suitable Calabi-Yau orientifolds which is defined via del Pezzo transitions. In these examples one can realize explicit SU(5) GUTs with gauge symmetry breaking via a U(1)_Y flux.

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