Speaker
Alexander Seifert
(Mainz U.)
Description
We studied the geometry of the non-factorizable toroidal Z4-orientifold and verified the anologies and differences to the factorizable case. The non-factorizable structure gives rise to additional constraints on the wrapping numbers for building fractional cycles and Lagrangian cycles. Thus, we can extend model building with intersecting D6-branes to non-factorizable orientifolds. We found that some global supersymmetric Pati-Salam-models with four generations are possible.
