Abstract
A simulation model of the Lorentz collision operator has been developed for guiding-center electron plasmas. In this model both the energy and the magnetic moment of the magnetized electrons are conserved. We implemented a two-and-one-half-dimensional (2 1 2 -D) guiding-center particle code with this model to study low-frequency electrostatic resistive interchange modes in sheared slab geometry. The growth rates and linear eigenmode widths obtained from the particle simulation and from linear kinetic theory agree very well.
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