An Improved Dilaton Background in Soft-Wall Model

Hongying Jin, Gang Liu

We adopted the form of v.e.v. of the bulk scalar field proposed by P.Zhang in this paper, and changed the dilaton background from $e^{-{\kappa }^2{z}^2}$ to $e^{-{\kappa }^2{z}^2+\alpha z}$ accordingly. The…