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Initiation of an anode plasma and ion emission into a magnetically insulated transmission line can cause serious current losses unless the ions are magnetically insulated as well as the electrons. A model for magnetically insulated ion flow in a vacuum transmission line is developed. Particle-in-cell simulations are presented that show that this model accurately predicts properties of this flow. The model is applied to determine the current required to magnetically insulate ion flow for a given voltage and vacuum line impedance. Relevance of this work to system designs for Z-pinch-driven inertial confinement fusion is discussed.
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Ottinger et al. (2006) studied this question.
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