Flipped SU(5) GUTs from E8 Singularities in F-theory
Abstract
In this paper we construct supersymmetric flipped SU(5) GUTs from E8 singularities in F-theory. We start from an SO(10) singularity unfolded from an E8 singularity by using an SU(4) spectral cover. To obtain realistic models, we consider (3,1) and (2,2) factorizations of the SU(4) cover. After turning on the massless U(1)X gauge flux, we obtain the SU(5) X U(1)X gauge group. Based on the well-studied geometric backgrounds in the literature, we demonstrate several models and discuss their phenomenology.
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