Stable discrete representation of relativistically drifting plasmas

31 Jul 2016 · Manuel Kirchen, Remi Lehe, Brendan B. Godfrey, Irene Dornmair, Soeren Jalas, Kevin Peters, Jean-Luc Vay, Andreas R. Maier ·

Representing the electrodynamics of relativistically drifting particle ensembles in discrete, co-propagating Galilean coordinates enables the derivation of a Particle-in-Cell algorithm that is intrinsically free of the Numerical Cherenkov Instability, for plasmas flowing at a uniform velocity. Application of the method is shown by modeling plasma accelerators in a Lorentz-transformed optimal frame of reference.

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Stable discrete representation of relativistically drifting plasmas

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