2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83952An exact analytical method for determining the Lagrangian velocity correlation and the diffusion coefficient for particles moving in a stochastic velocity field is derived. It applies to divergence-free 2-dimensional Gaussian stochastic fields which are stationary, homogeneous and have factorized Eulerian correlations.Latex, 6 pages including one figure (eps file)Plasma PhysicsFluid Dynamicstext