Nonextensive dust acoustic solitary and shock waves in nonplanar geometry

Details Nonextensive dust acoustic solitary and shock waves in nonplanar geometry Nonextensive dust acoustic solitary and shock waves in nonplanar geometry

Apr 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012ap%26ss.338..259s&link_type=abstract

Astrophysics and Space Science, Volume 338, Issue 2, pp.259-264

Astronomy and Astrophysics

Astrophysics

1

Dust Acoustic Waves, Nonplanar Geometry

Scientific paper

The properties of cylindrical and spherical dust acoustic (DA) solitary and shock waves in an unmagnetized electron depleted dusty plasma consisting of inertial dust fluid and ions featuring Tsallis statistics are investigated by employing the reductive perturbation technique. A Korteweg-de Vries Burgers (KdVB) equation is derived and its numerical solution is obtained. The effects of ion nonextensivity and dust kinematic viscosity on the basic features of DA solitary and shock waves are discussed in nonplanar geometry. It is found that nonextensive nonplanar DA waves behave quite differently from their one-dimensional planar counterpart.

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