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Electrostatic double layers and plasma evacuation in current-driven systems

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Abstract

After examining some of the background work relevant to double layers, the role constant current driven systems might play in the double layer formation is examined from two perspectives. First, a fluids analysis is considered via the method of characteristics. A density perturbation growth is predicted. Two model deficiencies, zero electron mass and lack of particle kinematics, suggest an improvement in the model via the Vlasov equation. This second model using the Vlasov equation still maintains a non-quasineutral posture. In addition to predicting the expected two-stream instability, the model also predicts a double layer-type electric field.

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Authors and Affiliations

  1. School of Electrical Engineering, Georgia Institute of Technology, Atlanta, Ga, USA

    Kent R. Davey

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  1. Kent R. Davey
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Davey, K.R. Electrostatic double layers and plasma evacuation in current-driven systems. Astrophys Space Sci 95, 47–63 (1983). https://doi.org/10.1007/BF00661155

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  • DOI: https://doi.org/10.1007/BF00661155

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