Abstract
Molecular Dynamics calculations have been performed on a 2-dimensional (2D) electron fluid interacting with a l/ r potential, and subjected to a perpendicular, uniform and constant magnetic field, for various values of the plasma parameter o . A new and more accurate algorithm, that takes into account the effects of the magnetic field exactly, has been used in the simulation. The diffusion coefficient has been calculated and the results show a monotonic decrease as a function of the magnetic field strength. A simple theoretical model based on a generalized Langevin equation predicts a Lorentzian dependence. The model results are in reasonable agreement with the Molecular Dynamics results, especially for higher values of o.
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