4.7 Article

Gauge-Higgs models from nilmanifolds

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PHYSICS LETTERS B
Volume 829, Issue -, Pages -

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ELSEVIER
DOI: 10.1016/j.physletb.2022.137097

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In this article, we investigate the compactification of a Yang-Mills theory on a three-dimensional nilmanifold and its associated mass hierarchy. By examining a specific example of an SU(3) model, we reveal the relevance of twisted geometries in model building and gauge-Higgs type models.
We consider the compactification of a Yang-Mills theory on a three-dimensional nilmanifold. The compactification generates a Yang-Mills theory in four space-time dimensions, coupled to a specific scalar sector. The compactification geometry gives rise to masses for the zero-modes, proportional to the twist parameter of the nilmanifold. We study the simple example of an SU (3) model broken by a non-trivial vacuum of the scalar potential which generates three mass scales, two being at tree level, and the third one at loop level. We point out the relevance of general twisted geometries for model building and in particular for gauge-Higgs type models, as the twist generates tree-level mass hierarchies useful for grand unification and for the Higgs sector in electroweak symmetry breaking. (C) 2022 The Author(s). Published by Elsevier B.V.

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