A calculation is performed of ion-velocity and energy-distribution functions in plasma occupied by ion-acoustic compressive and rarefactive solitons. The pseudopotential method and ergodic hypothesis are used. A two-electron model of plasma with cold ions is considered. Formulas valid for arbitrary amplitude are obtained. It is shown that the perturbed distribution functions have a beamlike form. The results are compared with previously obtained analytical calculations and modeling results.
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Trukhachev et al. (Sun,) studied this question.
www.synapsesocial.com/papers/69fd7d94bfa21ec5bbf05e88 — DOI: https://doi.org/10.1134/s0010952525601276
F. M. Trukhachev
N. V. Gerasimenko
M. A. Vasiliev
Cosmic Research
Joint Institute for High Temperatures
Belarusian Russian University
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