Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.330..311k&link_type=abstract
Astrophysics and Space Science, Volume 330, Issue 2, pp.311-316
Astronomy and Astrophysics
Astrophysics
1
Magnetized Plasma, Soliton, Electron Inertia, Sagdeev Pseudopotential
Scientific paper
Ion-acoustic solitary waves in a warm, magnetized plasma with electron inertia have been investigated through Sagdeev pseudopotential method. It has been established the existence of both compressive supersonic solitons, and rarefactive subsonic and supersonic solitons within the parametric domains. The effect of the external magnetic field for generation of the supersonic compressive solitons of constant amplitudes appears to be passive after some critical direction of propagation of the wave. However, up to the critical direction of propagation, the magnetic resistance is found to be quite active to drastically reduce the soliton amplitudes. The generation of rarefactive solitons in this warm magnetized plasma is rather more feasible to be supersonic without electron inertia.
Barman S. N.
Kalita B. C.
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