The Astrophysical Journal
A nonlinear theory of the perpendicular diffusion of charged particles is presented, including the influence of parallel scattering and dynamical turbulence. The theory shows encouraging agreement with numerical simulations.
Matthaeus, William H.; Qin, Gang; Bieber, John William; and Zank, Gary Paul, "Nonlinear Collisionless Perpendicular Diffusion Of Charged Particles" (2003). Aerospace, Physics, and Space Science Faculty Publications. 255.