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Small-Angle Scattering and Diffusion: Application to Relativistic Shock Acceleration

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Abstract

We investigate ways of accurately simulating the propagation of energetic charged particles over small times where the standard Monte Carlo approximation to diffusive transport breaks down. We find that a small-angle scattering procedure with appropriately chosen step-lengths and scattering angles gives accurate results, and we apply this to the simulation of propagation upstream in relativistic shock acceleration.

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Authors and Affiliations

  1. Department of Physics & Mathematical Physics, The University of Adelaide, Adelaide, SA, 5005, Australia

    R.J. Protheroe & A.-C. Donea

  2. Visiting from Imperial College, London

    A. Meli

Authors
  1. R.J. Protheroe
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  2. A. Meli
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  3. A.-C. Donea
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Protheroe, R., Meli, A. & Donea, AC. Small-Angle Scattering and Diffusion: Application to Relativistic Shock Acceleration. Space Science Reviews 107, 369–372 (2003). https://doi.org/10.1023/A:1025541704838

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  • DOI: https://doi.org/10.1023/A:1025541704838

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