Head-on collision of electron acoustic solitary waves in a plasma with nonextensive hot electrons

Details Head-on collision of electron acoustic solitary waves in a plasma with nonextensive hot electrons Head-on collision of electron acoustic solitary waves in a plasma with nonextensive hot electrons

Apr 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.338..271e&link_type=abstract

Astrophysics and Space Science, Volume 338, Issue 2, pp.271-278

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

The head-on collision between two electron-acoustic solitary waves (EASWs) in an unmagnetized plasma is investigated, including a cold electrons fluid, hot electrons, obeying a nonextensive distribution and stationary ions. By using the extended Poincaré-Lighthill-Kuo (PLK) perturbation method, the analytical phase shifts following the head-on collision are derived. The effects of the ratio of the number density of hot electrons to the number density of cold electrons α, and the nonextensive parameter q on the phase shifts are studied. It is found that q and the hot-to-cold electron density ratio significantly modify the phase shifts.

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