Envelope ion-acoustic solitary waves in a plasma with positive-negative ions and nonthermal electrons

2010 ◽  
Vol 17 (5) ◽  
pp. 052301 ◽  
Author(s):  
S. A. Elwakil ◽  
E. K. El-Shewy ◽  
H. G. Abdelwahed
Keyword(s):  
Solitary Waves ◽  
Negative Ions ◽  
Nonthermal Electrons ◽  
Ion Acoustic Solitary Waves ◽  
Ion Acoustic

Dust ion-acoustic solitary waves in a dusty plasma with positive and negative ions

2008 ◽  
Vol 15 (6) ◽  
pp. 063701 ◽  
Author(s):  
F. Sayed ◽  
M. M. Haider ◽  
A. A. Mamun ◽  
P. K. Shukla ◽  
B. Eliasson ◽  
...  
Keyword(s):  
Dusty Plasma ◽  
Solitary Waves ◽  
Negative Ions ◽  
Ion Acoustic Solitary Waves ◽  
Ion Acoustic

W-type ion-acoustic solitary waves in plasma consisting of cold ions and nonthermal electrons

2016 ◽  
Vol 90 (10) ◽  
pp. 1195-1205 ◽  
Author(s):  
I. Paul ◽  
S. Chandra ◽  
S. Chattopadhyay ◽  
S. N. Paul
Keyword(s):  
Solitary Waves ◽  
Nonthermal Electrons ◽  
Ion Acoustic Solitary Waves ◽  
Ion Acoustic ◽  
Cold Ions

Dust-ion Acoustic Solitary Waves In A Multi-component Plasma With Negative Ions

2011 ◽  
Author(s):  
B. S. Chahal ◽  
N. S. Saini ◽  
A. S. Bains ◽  
Vladimir Yu. Nosenko ◽  
Padma K. Shukla ◽  
...  
Keyword(s):  
Solitary Waves ◽  
Negative Ions ◽  
Ion Acoustic Solitary Waves ◽  
Ion Acoustic ◽  
Component Plasma

Higher-Order Nonlinear Effects on Wave Structures in a Multispecies Plasma with Nonisothermal Electrons

2010 ◽  
Vol 65 (4) ◽  
pp. 315-328 ◽  
Author(s):  
Tarsem Singh Gill ◽  
Parveen Bala ◽  
Harvinder Kaur
Keyword(s):  
Solitary Waves ◽  
Kdv Equation ◽  
Negative Ions ◽  
Nonlinear Effects ◽  
Higher Order ◽  
Relative Temperature ◽  
Generalized Kdv Equation ◽  
Ion Acoustic Solitary Waves ◽  
Ion Acoustic ◽  
Fast Ion

In the present investigation, we have studied ion-acoustic solitary waves in a plasma consisting of warm positive and negative ions and nonisothermal electron distribution. We have used reductive perturbation theory (RPT) and derived a dispersion relation which supports only two ion-acoustic modes, viz. slow and fast. The expression for phase velocities of these modes is observed to be a function of parameters like nonisothermality, charge and mass ratio, and relative temperature of ions. A modified Korteweg-de Vries (KdV) equation with a (1+1/2) nonlinearity, also known as Schamel-mKdV model, is derived. RPT is further extended to include the contribution of higher-order terms. The results of numerical computation for such contributions are shown in the form of graphs in different parameter regimes for both, slow and fast ion-acoustic solitary waves having several interesting features. For the departure from the isothermally distributed electrons, a generalized KdV equation is derived and solved. It is observed that both rarefactive and compressive solitons exist for the isothermal case. However, nonisothermality supports only the compressive type of solitons in the given parameter regime.

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