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Formation and interaction of multiple coherent phase space structures in plasma.
- Source :
-
Physics of Plasmas . 2017, Vol. 24 Issue 6, p1-5. 5p. 4 Graphs. - Publication Year :
- 2017
-
Abstract
- The head-on collision of multiple counter-propagating coherent phase space structures associated with the ion acoustic solitary waves (IASWs) in plasmas composed of hot electrons and cold ions is studied here by using one-dimensional Particle-in-Cell simulation. The chains of counterpropagating IASWs are generated in the plasma by injecting the Gaussian perturbations in the equilibrium electron and ion densities. The head-on collisions of the counter-propagating electron and ion phase space structures associated with IASWs are allowed by considering the periodic boundary condition in the simulation. Our simulation shows that the phase space structures are less significantly affected by their collision with each other. They emerge out from each other by retaining their characteristics, so that they follow soliton type behavior. We also find that the electrons trapped within these IASW potentials are accelerated, while the ions are decelerated during the course of their collisions. [ABSTRACT FROM AUTHOR]
- Subjects :
- *OSCILLATIONS
*PLASMA acceleration
*SOUND waves
*GAUSSIAN distribution
*METAPHYSICS
Subjects
Details
- Language :
- English
- ISSN :
- 1070664X
- Volume :
- 24
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- Physics of Plasmas
- Publication Type :
- Academic Journal
- Accession number :
- 123899653
- Full Text :
- https://doi.org/10.1063/1.4986109