The standard model gauge symmetry from higher-rank unified groups in grand gauge-Higgs unification models

Kentaro Kojima, Kazunori Takenaga, Toshifumi Yamashita

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)

抄録

We study grand unified models in the five-dimensional space-time where the extra dimension is compactified on S1/ℤ2. The spontaneous breaking of unified gauge symmetries is achieved via vacuum expectation values of the extra-dimensional components of gauge fields. We derive one-loop effective potentials for the zero modes of the gauge fields in SU(7), SU(8), SO(10), and E6 models. In each model, the rank of the residual gauge symmetry that respects the boundary condition imposed at the orbifold fixed points is higher than that of the standard model. We verify that the residual symmetry is broken to the standard model gauge symmetry at the global minima of the effective potential for certain sets of bulk fermion fields in each model.

本文言語英語
論文番号18
ジャーナルJournal of High Energy Physics
2017
6
DOI
出版ステータス出版済み - 6 1 2017

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学

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