Ion acoustic kinetic Alfvén rogue waves in two temperature electrons superthermal plasmas

Nimardeep Kaur, N. S. Saini

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The propagation properties of ion acoustic kinetic Alfvén (IAKA) solitary and rogue waves have been investigated in two temperature electrons magnetized superthermal plasma in the presence of dust impurity. A nonlinear analysis is carried out to derive the Korteweg-de Vries (KdV) equation using the reductive perturbation method (RPM) describing the evolution of solitary waves. The effect of various plasma parameters on the characteristics of the IAKA solitary waves is studied. The dynamics of ion acoustic kinetic Alfvén rogue waves (IAKARWs) are also studied by transforming the KdV equation into nonlinear Schrödinger (NLS) equation. The characteristics of rogue wave profile under the influence of various plasma parameters (κc, μc, σ, θ) are examined numerically by using the data of Saturn’s magnetosphere (Schippers et al. 2008; Sakai et al. 2013).

Original languageEnglish
Article number331
JournalAstrophysics and Space Science
Volume361
Issue number10
DOIs
StatePublished - Oct 1 2016
Externally publishedYes

Funding

This work is supported by DRS-II (SAP) No. F 530/17/DRS-II/2015 (SAP-I) University Grants Commission, New Delhi, India.

Keywords

  • Alfvén waves
  • Ion acoustic (IA)
  • Rogue waves
  • Superthermal
  • Two temperature electrons

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