论文标题
自然CP违规的自然模型
A Natural Model of Spontaneous CP Violation
论文作者
论文摘要
我们研究了构建具有尼尔森 - 巴尔（NB）机制的自发CP违规行为的自然非对称模型的可能性，以解决强大的CP问题。我们的方法是利用双重复合动力学，其中CFT的第一个限制是在自发CP违规（SCPV）的规模上发生的，而在TEV量表上进行了第二个限制。通过扭曲的额外维度与三个3溴化的额外尺寸对该4D设置的全息二重描述可显式地实现了这一想法。在该模型中，对强CP阶段的辐射校正得到了很好的控制，并且在NB模型中通常会遇到质量量表的巧合。我们的模型还为Quark Yukawa的层次结构提供了解释，并与通常的randall-sundrum模型一样，解决了仪表层次结构问题，Higgs位于Tev Brane上。
We examine the possibility of building a natural non-supersymmetric model of spontaneous CP violation equipped with the Nelson-Barr (NB) mechanism to address the strong CP problem. Our approach is to utilize a doubly composite dynamics where the first confinement of the CFT occurs at the scale of spontaneous CP violation (SCPV) and the second confinement at the TeV scale. A holographic dual description of this 4D set-up via a warped extra dimension with three 3-branes provides an explicit realization of this idea.In this model, radiative corrections to the strong CP phase are well under control, and the coincidence of mass scales, which we generally encounter in NB models, is addressed. Our model also provides an explanation to the quark Yukawa hierarchies, and a solution to the gauge hierarchy problem just as in the usual Randall-Sundrum model with the Higgs being localized on the TeV brane.
