A. Amin, D. Aossey, B. Nguyen, Hyun-Soo Kim, J. Cooney, K. Lonngren
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The spatial and temporal evolution of a sheath surrounding a planar electrode whose potential is suddenly decreased in a quasineutral plasma consisting of positive ions, negative ions, and electrons is numerically investigated. The model predicts several features observed in recent laboratory experiments directed toward the excitation and subsequent propagation of solitons in such a plasma.