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Abstract: We propose a description of G-fluxes that induce chirality in 4-dimensionalF-theory GUT spectra that is intrinsic to F-theory and does not rely onHeterotic-F-theory duality. Using this, we describe how to globally extendfluxes that have been constructed in a semi-local setting and obtain anF-theoretic formula for computing the chiral spectrum that they induce.Chirality computations agree with those from the semi-local Higgs bundleanalysis for matter fields that are charged under the GUT-group, and hence withthe standard Heterotic formulae where applicable. Finally, the relation ofG-fluxes to SU5 {perp} bundles on the F-theory 4-fold is discussed and usedto motivate a quantization rule that is consistent both with the Higgs bundleone as well as the Heterotic one when a Heterotic dual exists.



Autor: Joseph Marsano, Natalia Saulina, Sakura Schafer-Nameki

Fuente: https://arxiv.org/



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