Formation of Kinetics Coherent Structures in Weakly Collisional Media

Author:

Karimov Alexander,Bogdanov Vladislav

Abstract

The formation of nonlinear, nonstationary structures in weakly collisional media with collective interactions are investigated analytically within the framework of the kinetic description. This issue is considered in one-dimensional geometry using collision integral in the Bhatnagar-Gross-Krook form and some model forms of the interparticle interaction potentials that ensure the finiteness of the energy and momentum of the systems under consideration. As such potentials, we select the Yukawa potential, the δ-potential, which describes coherent structures in a plasma. For such potentials we obtained a dispersion relation which makes it possible to estimate the size and type of the forming structures.

Publisher

MDPI AG

Subject

General Earth and Planetary Sciences,General Engineering,General Environmental Science

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1. IMPACT OF COLLISIONS ON THE DYNAMICS OF WAVES OF FINITE AMPLITUDE IN A PLASMA;Vestnik of Saint Petersburg University. Applied Mathematics. Computer Science. Control Processes;2022

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