Comment on ``Diffusion of Ionic Particles in Charged Disordered Media''
arXiv:cond-mat/9902196 · doi:10.1103/PhysRevLett.83.1694
Abstract
This comment points out that simulation results of Mehrabi and Sahimi [Phys. Rev. Lett. 82, 735 (1999)] are iconsistent with exact bounds, renormalization group calculations, and previous numerical simulations.
1 page. LaTeX format. To appear in Phys. Rev. Lett