Gauge-Higgs Unification Models in Six Dimensions with S2/Z2 Extra Space and GUT Gauge Symmetry

被引：2

作者：

Chiang, Cheng-Wei ^{[2
,3
,4
,5
]}

Nomura, Takaaki ^{[2
,3
]}

Sato, Joe ^{[1
]}

机构：

[1] Saitama Univ, Dept Phys, Sakura Ku, Saitama 3558570, Japan

[2] Natl Cent Univ, Ctr Math & Theoret Phys, Chungli 32001, Taiwan

[3] Natl Cent Univ, Dept Phys, Chungli 32001, Taiwan

[4] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[5] Natl Ctr Theoret Sci, Div Phys, Hsinchu 30013, Taiwan

来源：

ADVANCES IN HIGH ENERGY PHYSICS | 2012年 / 2012卷

关键词：

STANDARD MODEL; UNIFIED THEORY; REDUCTION; FIELDS; BREAKING; ORBIFOLD; BOSON; MASS;

D O I：

10.1155/2012/260848

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We review gauge-Higgs unification models based on gauge theories defined on six-dimensional spacetime with S-2/Z(2) topology in the extra spatial dimensions. Nontrivial boundary conditions are imposed on the extra S-2/Z(2) space. This review considers two scenarios for constructing a four-dimensional theory from the six-dimensional model. One scheme utilizes the SO(12) gauge symmetry with a special symmetry condition imposed on the gauge field, whereas the other employs the E-6 gauge symmetry without requiring the additional symmetry condition. Both models lead to a standard model-like gauge theory with the SU(3) x SU(2)(L) x U(1)(Y)(xU(1)(2)) symmetry and SM fermions in four dimensions. The Higgs sector of the model is also analyzed. The electroweak symmetry breaking can be realized, and the weak gauge boson and Higgs boson masses are obtained.

引用

页数：39

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