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Relation Between Double Layers and Flux for a Collisionless Discharge with Two Negative Components

Sheridan, T; Boswell, Roderick


The ion flux exiting a steady-state planar discharge with collisionless, kinetic positive ions and two negative Boltzmann components (i.e., a modified Tonks-Langmuir model) is calculated. For the plasma approximation, when the negative component temperature ratio exceeds 10.78, there are two solutions for the potential at the plasma edge over some range of the negative component density ratio. The existence of collisionless double layer solutions is confirmed by solving the plasma-sheath...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Physics of Plasmas


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