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Unification and Phenomenology of F-Theory GUTs with U(1)_PQ
Matthew J. Dolan, Joseph Marsano, Sakura Schafer-Nameki
We undertake a phenomenological study of SU(5) F-theory GUT models with an additional U(1)_{PQ} symmetry. In such models, breaking SU(5) with hypercharge flux leads to the presence…
Yukawas, G-flux, and Spectral Covers from Resolved Calabi-Yau's
Joseph Marsano, Sakura Schafer-Nameki
We use the resolution procedure of Esole and Yau arXiv:1107.0733 to study Yukawa couplings, G-flux, and the emergence of spectral covers from elliptically fibered Calabi-Yau's with…
On G-flux, M5 instantons, and U(1)s in F-theory
Joseph Marsano, Natalia Saulina, Sakura Schafer-Nameki
Local aspects of singular F-theory compactifications for SUSY GUT model-building are fairly well understood in terms of Higgs bundles and their spectral data. Several global issues…
Tate's algorithm and F-theory
Sheldon Katz, David R. Morrison, Sakura Schäfer-Nameki +1
The "Tate forms" for elliptically fibered Calabi-Yau manifolds are reconsidered in order to determine their general validity. We point out that there were some implicit assumptions…
F-theory GUTs with U(1) Symmetries: Generalities and Survey
Matthew J. Dolan, Joseph Marsano, Natalia Saulina +1
We study the structure of SU(5) F-theory GUT models that engineer additional U(1) symmetries. These are highly constrained by a set of relations observed by Dudas and Palti (DP) th…