On dust ion acoustic solitary waves in collisional dusty plasmas with ionization effect

Details On dust ion acoustic solitary waves in collisional dusty plasmas with ionization effect On dust ion acoustic solitary waves in collisional dusty plasmas with ionization effect

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.326..273s&link_type=abstract

Astrophysics and Space Science, Volume 326, Issue 2, pp.273-279

Astronomy and Astrophysics

Astrophysics

9

Dust–Ion Acoustic Solitary Waves, Collisional Dusty Plasmas, Ionization

Scientific paper

The propagation of solitary waves in an unmagnetized collisional dusty plasma consisting of a negatively charged dust fluid, positively charged ions, isothermal electrons, and background neutral particles is studied. The ionization, ion loss, ion-neutral, ion-dust, and dust-neutral collisions are considered. Applying a reductive perturbation theory, a damped Korteweg-de Vries (DKdV) equation is derived. On the other hand, at a critical phase velocity, the dynamics of solitary waves is governed by a damped modified Korteweg-de Vries (DMKdV) equation. The nonlinear properties of solitary waves in the two cases are discussed.

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