Phenomenology of symmetry breaking from extra dimensions
Phenomenology of symmetry breaking from extra dimensions
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打破额外维度的对称现象学
DOI：
10.1088/1126-6708/2007/01/005
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发表时间：
2006
影响因子：
5.4
通讯作者：
Madrid
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文献类型：
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作者：
J. Alfaro;A. Broncano;M. B. Gavela;S. Rigolin;M. S. U. D. Chile;M. F. Physics;Munich;U. Madrid;Ift;Madrid
受电弱层次问题的启发，我们考虑具有两个额外维度的理论，其中四维标量场是全空间中规范玻色子的分量。本文研究了在磁背景存在下，环面上SU（N）的Nielsen-Olesen不稳定性。一个领域的理论方法的发展，明确计算的最小的完整的有效潜力，包括三线性和四次耦合和确定的对称性的稳定真空。我们还制定了适当的规范固定条款时，卡鲁扎-克莱因和朗道水平存在和相互作用，讨论可能的六个和四个维度的选择之间的相互作用。坐标相关边界条件与常数Scherk-Schwarz边界条件的等价性？与连续或离散的威尔逊线有关？分析了
Motivated by the electroweak hierarchy problem, we consider theories with two extra dimensions in which the four-dimensional scalar fields are components of gauge boson in full space. We explore the Nielsen-Olesen instability for SU(N) on a torus, in the presence of a magnetic background. A field theory approach is developed, computing explicitly the minimum of the complete effective potential, including tri-linear and quartic couplings and determining the symmetries of the stable vacua. We also develop appropriate gauge-fixing terms when both Kaluza-Klein and Landau levels are present and interacting, discussing the interplay between the possible six and four dimensional choices. The equivalence between coordinate dependent and constant Scherk-Schwarz boundary conditions ? associated to either continuous or discrete Wilson lines ? is analyzed.
LEP 合作 ALEPH、DELPHI、L3、OPAL：“初步电弱测量和标准模型约束的组合”CERN-EP。
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