The collisions of two ion acoustic solitary waves in a magnetized nonextensive plasma

• Authors: Emad El-Shamy , Mouloud Tribeche , Wael El-Taibany
• Languages of publication: EN

Abstracts

EN

Using the extended Poincaré-Lighthill-Kuo (EPLK) method, the interaction between two ion acoustic solitary waves (IASWs) in a multicomponent magnetized plasma (including Tsallis nonextensive electrons) has been theoretically investigated. The analytical phase shifts of the two solitary waves after interaction are estimated. The proposed model leads to rarefactive solitons only. The effects of colliding angle, ratio of number densities of (positive/negative) ions species to the density of nonextensive electrons, ion-to-electron temperature ratio, mass ratio of the negative-to-positive ions and the electron nonextensive parameter on the phase shifts are investigated numerically. The present results show that these parameters have strong effects on the phase shifts and trajectories of the two IASWs after collision. Evidently, this model is helpful for interpreting the propagation and the oblique collision of IASWs in magnetized multicomponent plasma experiments and space observations.

Keywords

EN

negative-ion plasma; extended Poincaré-Lighthill-Kuo method; solitons; phase shift; nonextensive electrons

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2014
• Volume: 12
• Issue: 11
• Pages: 805-812

Dates

published

1 - 11 - 2014

online

17 - 8 - 2014

Contributors

author

Emad El-Shamy

author

Mouloud Tribeche

• Theoretical Physics Laboratory, Plasma Physics Group, Faculty of Sciences-Physics, University of Bab-Ezzouar, USTHB, BP 32, El Alia, Algiers, 16111, Algeria

author

Wael El-Taibany

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Identifiers

DOI

10.2478/s11534-014-0504-5