Spatially limited ion acoustic drift soliton in electron-positron-ion magnetoplasma

Details Spatially limited ion acoustic drift soliton in electron-positron-ion magnetoplasma Spatially limited ion acoustic drift soliton in electron-positron-ion magnetoplasma

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008phpl...15h2313m&link_type=abstract

Physics of Plasmas, Volume 15, Issue 8, pp. 082313-082313-6 (2008).

Physics

3

Solitons, Bgk Modes, Electrostatic Waves And Oscillations, Magnetohydrodynamics

Scientific paper

Ion acoustic drift solitary wave with intermediate parametric range in both linear and nonlinear regimes has been studied in electron-positron-ion magnetoplasma. In the spatially limited region dispersion relation in the linear and Zakharov-Kuznetsov-type equation in the nonlinear regime are derived, respectively. Both equations show the coupling of electrostatic drift and ion acoustic waves. The stationary soliton solution for oblique drift solitary waves with the effect of positron concentration and temperature has been discussed analytically and graphically. The results are relevant for astrophysical observations and diagnostics of laboratory electron-positron-ion magnetoplasmas.

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