Arenzon, Jeferson J.; Levin, Yan; Sellitto, Mauro - In: Physica A: Statistical Mechanics and its Applications 325 (2003) 3, pp. 371-395
We present an analytical and numerical study of a nonlinear diffusion model which describes density relaxation of densely packed particles under gravity and weak random (thermal) vibration, and compare the results with Monte Carlo simulations of a lattice gas under gravity. The dynamical...