Development of ion-acoustic double layers through ion-acoustic fluctuations
- 1 February 1985
- journal article
- Published by IOP Publishing in Plasma Physics and Controlled Fusion
- Vol. 27 (2) , 181-191
- https://doi.org/10.1088/0741-3335/27/2/007
Abstract
Experimental results on the formation of ion acoustic double layers resembling asymmetric ion-holes are presented. In a double plasma device, modified suitably to inject electron beam into the target plasma, modulation of the beam through step potential leads to excitation of ion-acoustic fluctuation. The ion-acoustic fluctuation, growing away from the grids separating source and target plasmas, developed into weak asymmetric ion-acoustic double layer. The observations are in qualitative agreement with theoretical models and computer simulations.Keywords
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