[PDF][PDF] Shock waves in a dusty plasma with positive and negative dust, where electrons are superthermally distributed
Bulg. J. Phys, 2011•bjp-bg.com
Using the reductive perturbation technique, Burgers' equation is derived for studying the
behavior of dust acoustic (DA) shock waves in an unmagnetized dusty plasma, whose
constituents are kappa-distributed (superthermal) electrons, Boltzmann distributed ions and
positively and negatively charged dust particles. The solution of Burgers' equation is
numerically analyzed. The effects of spectral index κ on the properties of DA shock waves is
discussed. It is found that the spectral index κ changes the amplitude of the DA shock waves …
behavior of dust acoustic (DA) shock waves in an unmagnetized dusty plasma, whose
constituents are kappa-distributed (superthermal) electrons, Boltzmann distributed ions and
positively and negatively charged dust particles. The solution of Burgers' equation is
numerically analyzed. The effects of spectral index κ on the properties of DA shock waves is
discussed. It is found that the spectral index κ changes the amplitude of the DA shock waves …
Abstract
Using the reductive perturbation technique, Burgers’ equation is derived for studying the behavior of dust acoustic (DA) shock waves in an unmagnetized dusty plasma, whose constituents are kappa-distributed (superthermal) electrons, Boltzmann distributed ions and positively and negatively charged dust particles. The solution of Burgers’ equation is numerically analyzed. The effects of spectral index κ on the properties of DA shock waves is discussed. It is found that the spectral index κ changes the amplitude of the DA shock waves significantly. The present investigation may be helpful in the understanding of the nonlinear propagation of waves in the pulsar magnetosphere.
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