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Title: Three dimensional electrostatic solitary waves in a dense magnetoplasma with relativistically degenerate electrons

In this paper, small but finite amplitude electrostatic solitary waves in a relativistic degenerate magnetoplasma, consisting of relativistically degenerate electrons and non-degenerate cold ions, are investigated. The Zakharov-Kuznetsov equation is derived employing the reductive perturbation technique and its solitary wave solution is analyzed. It is shown that only compressive electrostatic solitary structures can propagate in such a degenerate plasma system. The effects of plasma number density, ion cyclotron frequency, and direction cosines on the profiles of ion acoustic solitary waves are investigated and discussed at length. The relevance of the present investigation vis-a-vis pulsating white dwarfs is also pointed out.
Authors:
;  [1] ;  [2] ;  [3] ;  [2] ;  [4]
  1. Institute of Physics and Electronics, University of Peshawar, Peshawar 25000 (Pakistan)
  2. (Pakistan)
  3. National Centre for Physics, QAU Campus, Shahdrah Valley Road, Islamabad 44000 (Pakistan)
  4. Physics Department, University of Strathclyde, Glasgow G4 0NG, Scotland (United Kingdom)
Publication Date:
OSTI Identifier:
22220596
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 20; Journal Issue: 9; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; AMPLITUDES; CYCLOTRON FREQUENCY; ELECTRONS; EQUATIONS; ION ACOUSTIC WAVES; ION DENSITY; IONS; LENGTH; MAGNETOHYDRODYNAMICS; MATHEMATICAL SOLUTIONS; PERTURBATION THEORY; RELATIVISTIC PLASMA; RELATIVISTIC RANGE; SOLITONS; THREE-DIMENSIONAL CALCULATIONS; WHITE DWARF STARS