Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.338...57a&link_type=abstract
Astrophysics and Space Science, Volume 338, Issue 1, pp.57-61
Astronomy and Astrophysics
Astrophysics
Dusty Plasmas, Dust Acoustic Waves, Shock Waves, Anomalous Damping, Nonadiabatic Charge Variation, Nonextensive Theory
Scientific paper
Nonlinear dust-acoustic (DA) shock waves are addressed in a nonextensive dusty plasma exhibiting self-consistent nonadiabatic charge variation. Our results reveal that the amplitude, strength and nature of the DA shock waves are extremely sensitive to the degree of ion nonextensivity. Significant differences in the potential function occur for very small changes in the value of the nonextensive parameter. Stronger is the ions correlation, more important is the charge variation induced nonlinear wave damping.
Amour Rabia
Tribeche Mouloud
Zerguini Taha Houssine
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