Wormhole solutions and energy conditions in f(R,G) gravity

M Farasat Shamir,G Mustafa,Saad Waseem,Mushtaq Ahmad

Figure 5. The development of $\rho +{p}_{t}$ and $\rho -{p}_{r}$ is shown. Here, we assume $\eta =15$ and ${r}_{0}\,=\,0.2$ with $\rho +{p}_{t}\lt 0$ (Yellow), $\rho +{p}_{t}\gt 0$ (Red), $\rho -{p}_{r}\lt 0$ (Yellow), and $\rho -{p}_{r}\gt 0$ (Red).