Abstract
It is shown that the two-fluid electrohydrodynamic equations for a transversely homogeneous flow of cold ions and Boltzmannian electrons in the ion-acoustic region are reduced to the Boussinesq equation. Using a two-soliton solution as an example, the nonlinear mechanism of collisionless relaxation of a supersonic plasma flow toward a steady state in the form of a double space charge layer is demonstrated.
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Yu. B. Movsesyants and P. M. Tyuryukanov, Inzh. Fiz., No. 8, 3 (2011).
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Original Russian Text © Yu.B. Movsesyants, P.M. Tyuryukanov, 2014, published in Fizika Plazmy, 2014, Vol. 40, No. 5, pp. 463–467.
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Movsesyants, Y.B., Tyuryukanov, P.M. Nonlinear dynamics of a nonisothermal collisionless plasma flow. Plasma Phys. Rep. 40, 389–392 (2014). https://doi.org/10.1134/S1063780X14040059
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DOI: https://doi.org/10.1134/S1063780X14040059