Abstract
We have found that running electrostatic particle codes at relatively large ω ce Δt in some circumstances does not significantly affect the physical results. We first present results from a single particle mover finding the correct first order drifts for large ω ce Δt. We then characterize the numerical orbit of the Boris algorithm for rotation when ϵ ce Δt ⪢ 1. Next, an analysis of the guiding center motion is given showing why the first order drift is retained at large ω ce Δt. Lastly, we present a plasma simulation of a one dimensional cross field sheath, with large and small ω ce Δt, with very little difference in the results.
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