Gauge fluxes and M5instantons in Ftheory and their Type IIB duals
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Mathematics and Applications of Branes in String and Mtheory
I discuss recent progress in the description of G4 gauge fluxes in Ftheory compactifications on CalabiYau fourfolds. Such fluxes are important from the perspective of Ftheory model building, where gauge fluxes are required for example for the generation of chiral matter. An explicit dictionary between a class of factorisable G4 fluxes in certain Ftheory compactifications and corresponding diagonal U(1) fluxes in Type IIB orientifolds sheds new light on the uplift of Type IIB vacua to Ftheory. This global description of gauge fluxes in Ftheory also allows for the evaluation of selection rules for M5instantons to contribute to the superpotential.
This talk is part of the Isaac Newton Institute Seminar Series series.
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