电弱对称标量理论的单圈泛函RG流
One-loop functional RG flow of scalar theory with electroweak symmetry
摘要：
利用泛函重整化方法，研究了具有四个标量的理论的单圈重整化群演化，在二阶导数展开下，电弱对称性是非线性实现的.在这个框架下，我们研究了O（4）对称性的稳定性，找到了目标空间中三种不同几何（平坦空间、圆柱空间和球空间）的O（4）破坏本征扰动及其相应的本征谱。
英文摘要：
Using functional renormalization methods, we study the one-loop renormalization group evolution of theories with four scalars, at second order in the derivative expansion, in which electroweak symmetry is nonlinearly realized. In this framework we study the stability of O(4) symmetry and find the O(4)-violating eigenperturbations and their corresponding eigenspectrum around three different geometries of the target space, namely those of the flat space, cylinder and sphere.
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