Small-Angle Scattering and Diffusion: Application to Relativistic Shock Acceleration
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🌌 astro-ph
keywords
scatteringaccelerationpropagationrelativisticshocksmall-angleaccurateaccurately
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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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