Nonlinear equation for anomalous diffusion: unified power-law and stretched exponential exact solution

L. C. Malacarne, R. S. Mendes, I. T. Pedron +1

The nonlinear diffusion equation $\frac{\partial \rho }{\partial t}=D\tilde{\Delta }{\rho }^{\nu }$ is analyzed here, where $\tildeΔ\equiv \frac{1}{r^{d-1}}\frac{\partial}{\partial r} r^{d-1-θ} \frac{\…