Electron-acoustic solitons in plasma with nonthermal electrons

Details Electron-acoustic solitons in plasma with nonthermal electrons Electron-acoustic solitons in plasma with nonthermal electrons

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.330...95p&link_type=abstract

Astrophysics and Space Science, Volume 330, Issue 1, pp.95-99

Astronomy and Astrophysics

Astrophysics

10

Electron-Acoustic Waves, Solitary Waves, Sagdeev Potential, Mach Number, Nonthermal Electrons

Scientific paper

Nonlinear electron-acoustic solitary waves (EASWs) are studied using Sagdeev’s pseudo-potential technique in a collisionless unmagnetized plasma consisting of a cold electron fluid, nonthermal hot electrons and stationary ions. It is shown that the presence of fast nonthermal electrons may modify the parametric region where electron-acoustic solitons may exist. Our investigation is of wide relevance to astronomers and space scientists working on interstellar space plasmas.

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