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Ambiplasma separation into matter and antimatter by a train of baryon-acoustic solitons in the problem of the baryon asymmetry of the Universe

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  • Dubinov, Alexander E.
  • Lebedeva, Xenia I.

Abstract

Longitudinal electrostatic baryon-acoustic waves have been studied systematically which can propagate in the uniform thermodynamically-nonequilibrium unmagnetized ambiplasma. The research was carried out in the frames of the linear theory and nonlinear theory according to the method of Sagdeev's pseudopotential. Two types of the periodic waves with in-phase (slow wave) and antiphase oscillations (fast wave) of protons and antiprotons were specified. The unknown before possibility of the existence of super-nonlinear waves in ambiplasma was shown for the first time. Fast and slow solitons were specified also. Wave profiles were calculated for all types of waves, they include flux profiles in the laboratory frame.

Suggested Citation

  • Dubinov, Alexander E. & Lebedeva, Xenia I., 2021. "Ambiplasma separation into matter and antimatter by a train of baryon-acoustic solitons in the problem of the baryon asymmetry of the Universe," Chaos, Solitons & Fractals, Elsevier, vol. 152(C).
    • Handle: RePEc:eee:chsofr:v:152:y:2021:i:c:s0960077921007451
    DOI: 10.1016/j.chaos.2021.111391
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    References listed on IDEAS

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    1. Ali, Sajad & Ahmad, Mushtaq & Farooq, M., 2018. "Coupled drift shock and soliton in collisional ambiplasma with nonthermal effects of electrons and positrons," Chaos, Solitons & Fractals, Elsevier, vol. 112(C), pages 66-74.
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      Keywords

      Ambiplasma; Separation; Wave; Soliton;
      All these keywords.

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