2HDM的对称性：不变公式和结果
Symmetries of the 2HDM: an invariant formulation and consequences
摘要：
本文讨论了可推广到整个拉格朗日量的双Higgs双重模型（2HDM）势的对称性，即CP对称性CP_1，CP_2，CP_3和Higgs族对称性Z_2，U（1）和SO（3）。在质量约束和物理耦合方面的充分必要条件的潜力，以尊重这些symmetricals.Each对称性可以实现通过几个可选的情况下，每种情况下是一组物理参数之间的关系。我们将证明这些关系中的一些在重整化群下是不变的，而另一些则不是。通过分析势和真空期望值之间的相互作用，说明了对应于每个对称群的情况。
英文摘要：
Symmetries of the Two-Higgs-Doublet Model (2HDM) potential that can be extended to the whole Lagrangian, i.e. the CP-symmetries CP1, CP2, CP3 and the Higgs-family symmetries Z2, U(1) and SO(3) are discussed. Sufficient and necessary conditions in terms of constraints on masses and physical couplings for the potential to respect each of these symmetries are found. Each symmetry can be realized through several alternative cases, each case being a set of relations among physical parameters. We will show that some of those relations are invariant under the renormalization group, but others are not. The cases corresponding to each symmetry group are illustrated by analyzing the interplay between the potential and the vacuum expectation values.
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