Modeling of nonlinear envelope solitons in strongly coupled dusty plasmas: Instability and collision

El-Labany S. K.^a)†, El-Shamy E. F.^a),^b)‡, El-Taibany W. F.^a),^c)§, Zedan N. A.^a)¶

The contour plot of the product PQ defining stable/unstable regime with τ _m = 0.025. The contours with the value “0” are separators between stable and unstable regimes.