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]
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