SEARCH Articles Figures Tables Anomalous diffusion space Diffusion equation space-fractional Diffusion half-space Diffusion in free space Diffusion in phase space Diffusion in the extracellular space Diffusion real space Diffusion space function Diffusion space number Energy-space diffusion Mixed phase-and physical-space diffusion Phase-space diffusion Physical-space diffusion Reaction space, proton diffusion between Reaction space, proton diffusion between membranes