Abstract
The propagation of weakly nonlinear dust sound waves in a dusty plasma containing two different-temperature ion species is explored. The nonlinear equations describing both the quadratic and cubic plasma nonlinearities are derived. It is shown that the properties of dust sound waves depend substantially on the grain size distribution. In particular, for solitary dust sound waves with a positive potential to exist in a plasma with distributed grain size, it is necessary that the difference between the temperatures of two ion species be larger than that in the case of equal-size grains.
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Original Russian Text © V.V. Prudskikh, 2009, published in Fizika Plazmy, 2009, Vol. 35, No. 1, pp. 94–101.
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Prudskikh, V.V. Solitary dust sound waves in a plasma with two-temperature ions and distributed grain size. Plasma Phys. Rep. 35, 84–91 (2009). https://doi.org/10.1134/S1063780X09010103
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DOI: https://doi.org/10.1134/S1063780X09010103