A simple procedure for generating a Kappa distribution in PIC simulation

Published 3 Dec 2025 in physics.plasm-ph and astro-ph.IM | (2512.04272v1)

Abstract: For kinetic modeling of plasma processes in space, a rejection-sampling procedure for generating a Kappa distribution in particle-in-cell (PIC) simulation is proposed. A Pareto distribution is employed as an envelope distribution. The procedure only requires uniform variates, and its acceptance efficiency is $\approx 0.73$--$0.8$.

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Seiji Zenitani

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