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Electron Acoustic Solitary Waves with Non-thermal Distribution of Electrons : Volume 11, Issue 2 (14/04/2004)

By Singh, S. V.

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Book Id: WPLBN0004019602
Format Type: PDF Article :
File Size: Pages 5
Reproduction Date: 2015

Title: Electron Acoustic Solitary Waves with Non-thermal Distribution of Electrons : Volume 11, Issue 2 (14/04/2004)  
Author: Singh, S. V.
Volume: Vol. 11, Issue 2
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2004
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Singh, S. V., & Lakhina, G. S. (2004). Electron Acoustic Solitary Waves with Non-thermal Distribution of Electrons : Volume 11, Issue 2 (14/04/2004). Retrieved from http://hawaiilibrary.net/


Description
Description: Indian Institute of Geomagnetism Plot No. 5, Sector-18, New Panvel (W), Navi Mumbai–410218, India. Electron-acoustic solitary waves are studied in an unmagnetized plasma consisting of non-thermally distributed electrons, fluid cold electrons and ions. The Sagdeev pseudo-potential technique is used to carry out the analysis. The presence of non-thermal electrons modifies the parametric region where electron acoustic solitons can exist. For parameters representative of auroral zone field lines, the electron acoustic solitons do not exist when either Α > 0.225 or Tc/Th > 0.142, where Α is the fractional non-thermal electron density, and Tc (Th) represents the temperature of cold (hot) electrons. Further, for these parameters, the simple model predicts negatively charged potential structures. Inclusion of an electron beam in the model may provide the positive potential solitary structures.

Summary
Electron acoustic solitary waves with non-thermal distribution of electrons

 

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