Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.339..185e&link_type=abstract
Astrophysics and Space Science, Volume 339, Issue 1, pp.185-193
Astronomy and Astrophysics
Astrophysics
Dusty Plasma, Ion Beam, Solitary Waves, Herbig-Haro Objects
Scientific paper
Properties of dust-acoustic solitary waves in a warm dusty plasma are analyzed by using the hydrodynamic model for massive dust grains, electrons, ions, and streaming ion beam. For this purpose, Korteweg-de Vries (KdV) equation for the first-order perturbed potential and linear inhomogeneous KdV-type equation for the second-order perturbed potential have been derived and their analytical solutions are presented. In order to show the characteristics of the dust-acoustic solitary waves are influenced by the plasma parameters, the relevant numerical analysis of the KdV and linear inhomogeneous KdV-type equations are obtained. The dust-acoustic solitary waves, as predicted here, may be associated with the nonlinear structures caused by the interaction of polar jets with the interstellar medium, which is known as Herbig-Haro objects.
El-Labany S. K.
Mahmoud M.
Moslem Waleed M.
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