Dark Energy Phenomenon from Backreaction Effect

Yan-Hong Yao,Xin-He Meng

Fig. 3 (Color online) The evolution of ${H_{\mathcal{D}}}/{H_{\mathcal{D}_0}}$ and $q_{\mathcal{D}}$ with respect to $z_{\mathcal{D}}$. Here the blue line and the orange line are corresponding to that of the scaling backraction model and the constant backreaction model with best-fit parameters.