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Formation of Nonlinear Solitary Vortical Structures by Drift and Ion-Acoustic Waves in Electron-Positron-Ion Plasmas

  • General and Applied Physics
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Abstract

To describe the nonlinear propagation of electrostatic drift and ion-acoustic waves (DIAWs), the generalized Hasegawa-Mima equation containing both vector (Jacobian) and scalar (Korteweg-de Vries type) nonlinearities is obtained for electron-positron-ion (EPI) plasmas. In addition, density and temperature non-homogeneities of electrons and positrons are taken into account. Appropriate set of 3D equations consisting of generalized Hasegawa-Mima equation for the electrostatic potential and equation of parallel to magnetic field motion of ions are obtained to describe the formation of coherent dipole and large-scale monopole vortices.

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Authors and Affiliations

  1. Physics Department, Forman Christian College (A Chartered University), Ferozpur Road, Lahore, 54600, Pakistan

    L. Z. Kahlon & I. Javaid

  2. I. Vekua Institute of Applied Mathematics, Tbilisi State University, 2 University str, 0186, Tbilisi, Georgia

    T. D. Kaladze

  3. E. Andronikashvili Institute of Physics, I. Javakhishvili Tbilisi State University, 0128, Tbilisi, Georgia

    T. D. Kaladze

Authors
  1. L. Z. Kahlon
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  2. I. Javaid
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  3. T. D. Kaladze
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Correspondence to L. Z. Kahlon.

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Kahlon, L.Z., Javaid, I. & Kaladze, T.D. Formation of Nonlinear Solitary Vortical Structures by Drift and Ion-Acoustic Waves in Electron-Positron-Ion Plasmas. Braz J Phys 50, 291–297 (2020). https://doi.org/10.1007/s13538-020-00745-y

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  • DOI: https://doi.org/10.1007/s13538-020-00745-y

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