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arXiv · 0711.1582

Notes on Local Grand Unification

Michael Ratz
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Abstract

Grand unified models in four dimensions typically suffer from the doublet-triplet splitting problem. This obstacle can be overcome in higher-dimensional settings, where a non-trivial gauge group topography can explain the simultaneous appearance of complete standard model generations in the form of 16-plets of SO(10) and the Higgs fields as split multiplets. In these notes, the emerging scheme of `local grand unification' and its realization in the context of orbifold compactifications of the heterotic string are reviewed.

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Michael Ratz. 2007-11-10. Notes on Local Grand Unification. https://arxiv.org/abs/0711.1582

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