Critical density solitary waves structures in a hot dusty plasma with vortex-like ion distribution in phase space

Details Critical density solitary waves structures in a hot dusty plasma with vortex-like ion distribution in phase space Critical density solitary waves structures in a hot dusty plasma with vortex-like ion distribution in phase space

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ap%26ss.282..595e&link_type=abstract

Astrophysics and Space Science, v. 282, Issue 3, p. 595-604 (2002).

Astronomy and Astrophysics

Astrophysics

8

Scientific paper

The nonlinear properties of solitary waves structure in a hot dusty plasma consisting of isothermal hot electrons, non isothermal ions and high negatively charged massive dust grains, are reported. A modified Korteweg-de Vries equation (modified KdV), which admits a solitary waves solution for small but finite amplitude, is derived using a reductive perturbation theory. A nonisothermal ions distribution provides the possibility of coexistence of amplitude rarefactive as well as compressive solitary waves. On the other hand, consideration of a critical ions density gives a stationary solution of solitary waves and the dynamics of small but finite amplitude of solitary waves is governed by Korteweg-de Vries equation (KdV). The properties of solitary waves in the two cases are discussed.

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