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- Title
Korteweg-de Vries equation for ion acoustic soliton with negative ions in the presence of nonextensive electrons.
- Authors
Ali Shan, S.; Akhtar, N.
- Abstract
Korteweg-de Vries (KdV) equation for electrostatic ion acoustic wave in a three component plasma containing positive and negative ions along with the nonextensive electrons is derived. Fast and slow ion acoustic modes which propagate with different velocities are excited. The effects of variation of quantities like q (nonextensive parameter), Q (mass ratio of positive to negative ion), μ (electron to positive ion number density ratio), θ (positive ion to electron temperature ratio) and θ (negative ion to electron temperature ratio) have been presented for fast and slow ion acoustic modes. Both compressive and rarefactive solitons are observed. It is found that the solitary excitations strongly depend on the mass and density ratios of the positive and negative ions as well as on nonextensive electron parameter.
- Subjects
KORTEWEG-de Vries equation; ION acoustic waves; SOLITONS; ANIONS; ELECTRON research
- Publication
Astrophysics & Space Science, 2013, Vol 346, Issue 2, p367
- ISSN
0004-640X
- Publication type
Article
- DOI
10.1007/s10509-013-1470-x