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Stable discrete representation of relativistically drifting plasmas

  • Author(s): Kirchen, M;
  • Lehe, R;
  • Godfrey, BB;
  • Dornmair, I;
  • Jalas, S;
  • Peters, K;
  • Vay, JL;
  • Maier, AR
  • et al.

Published Web Location

https://doi.org/10.1063/1.4964770
Abstract

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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