Lower-hybrid drift instability saturation mechanisms in one-dimensional simulations
1983
The linear properties and saturation mechanisms of the lower‐hybrid drift instability have been investigated using a one‐dimensional particle‐hybrid simulation. For low drift velocities (vd≪vti), ion trapping and current relaxation (vd→0) are competing processes for stabilization. If the relative electron–ion drift velocity is kept constant in time, ion trapping causes the end of instability growth; if this drift is allowed to decrease consistent with momentum balance, then saturation is due to current relaxation.
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