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Analysis shows velocity variation affects plasma potential in a potential profile, indicating magnetic mirror dynamics.
The paper examines the distribution of potential between the magnetic mirror and the plasma flow absorber in an open trap expander. The effect of ion flow velocity variation behind the mirror on the plasma potential is analyzed. The acceleration of the ion flow by the ambipolar electric field is considered. The influence of the ion flow deceleration on the potential distribution due to residual gas charge exchange is discussed.
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Skovorodin et al. (2025) studied this question.
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