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Abstract <p>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.</p>

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The Influence of Compressive and Rarefactive Ion-Acoustic Solitons on Ion Distribution Functions: Analytical Solutions for Arbitrary Amplitudes

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • F. M. Trukhachev,
  • N. V. Gerasimenko,
  • M. M. Vasiliev,
  • O. F. Petrov

摘要

Abstract

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.