Electron diffusion in stochastic field

Summary form only given, as follows. Long-time behavior of velocity space diffusion of electrons in well randomized Langmuir turbulence has been studied numerically. The subdiffusion previously identified appears to be a transient phenomenon and in the present investigation with extended computation time, well behaved diffusive phase emerges. The asymptotic diffusivity is proportional to the square root of rms field amplitude. Kurtosis parameter becomes small in the diffusive phase indicating onset of Gaussian statistics.