Cylindrical and spherical electron acoustic solitary waves in the presence of superthermal hot electrons

Details Cylindrical and spherical electron acoustic solitary waves in the presence of superthermal hot electrons Cylindrical and spherical electron acoustic solitary waves in the presence of superthermal hot electrons

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.337..623j&link_type=abstract

Astrophysics and Space Science, Volume 337, Issue 2, pp.623-628

Astronomy and Astrophysics

Astrophysics

Electron Acoustic, Cylindrical And Spherical Solitary Waves, Kdv Equation, Superthermal Electrons

Scientific paper

Propagation of cylindrical and spherical electron-acoustic solitary waves in unmagnetized plasmas consisting of cold electron fluid, hot electrons obeying a superthermal distribution and stationary ions are investigated. The standard reductive perturbation method is employed to derive the cylindrical/spherical Korteweg-de-Vries equation which governs the dynamics of electron-acoustic solitons. The effects of nonplanar geometry and superthermal hot electrons on the behavior of cylindrical and spherical electron acoustic soliton and its structure are also studied using numerical simulations.

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