Abstract
Transport of energetic electrons in the heliosphere is governed by resonant interaction with plasma waves, for electrons with sub-GeV kinetic energies specifically with dispersive modes in the whistler regime. In this paper, particle-in-cell simulations of kinetic turbulence with test-particle electrons are performed. The pitch-angle diffusion coefficients of these test particles are analyzed and compared to an analytical model for left-handed and right-handed polarized wave modes.
Highlights
Transport of energetic electrons in the heliosphere is governed by resonant interaction with plasma waves, for electrons with sub-GeV kinetic energies with dispersive modes in the whistler regime
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The energetic electrons are tracked for several electron cyclotron time scales, and the resulting pitch-angle diffusion coefficients Dμμ are presented in Figures 7 and 8 for data based on the setup of S1 and S2, respectively
Summary
Citation: Spanier, F.; Schreiner, C.; Schlickeiser, R. DeterminingPitch-Angle Diffusion Coefficients for Electrons in Whistler Turbulence.Physics 2022, 4, 80–103. https://doi.org/10.3390/physics4010008Received: 30 August 2021Accepted: 7 December 2021Published: 20 January 2022Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.Licensee MDPI, Basel, Switzerland.Attribution (CC BY) license (https://creativecommons.org/licenses/by/
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