Large amplitude dust-acoustic solitary waves in electron-positron-ion plasma with dust grains

2012 ◽  
Vol 19 (8) ◽  
pp. 082308 ◽  
Author(s):  
A. Esfandyari-Kalejahi ◽  
M. Afsari-Ghazi ◽  
K. Noori ◽  
S. Irani
Keyword(s):  
Solitary Waves ◽  
Large Amplitude ◽  
Dust Grains ◽  
Ion Plasma ◽  
Electron Positron ◽  
Dust Acoustic Solitary Waves ◽  
Dust Acoustic

Large Amplitude Solitary Waves in a Four-Component Dusty Plasma with Nonthermal Ions

2008 ◽  
Vol 63 (7-8) ◽  
pp. 393-399 ◽  
Author(s):  
Prasanta Chatterjee ◽  
Kaushik Roy
Keyword(s):  
Dusty Plasma ◽  
Solitary Waves ◽  
Soliton Solution ◽  
Large Amplitude ◽  
Small Amplitude ◽  
Sagdeev Potential ◽  
Ion Distribution ◽  
Dust Acoustic Solitary Waves ◽  
Dust Acoustic ◽  
Pseudo Potential

Dust acoustic solitary waves are studied in a four-component dusty plasma. Positively and negatively charged mobile dust and Boltzmann-distributed electrons are considered. The ion distribution is taken as nonthermal. The existence of a soliton solution is determined by the pseudo-potential approach. It is shown that in small amplitude approximation our result obtained from the Sagdeev potential technique reproduce the result obtained by Sayed and Mamun [Phys. Plasmas 14, 014501 (2007)] provided one cosiders the nonthermal distribution for ions.

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