Fig. 6 | Scientific Reports

Fig. 6

From: Modulational instability and associated multiple dark solitons in relativistically degenerate electron-positron-ion plasmas

Fig. 6

Interaction of black and gray envelope solitons for nonrelativistic EPI plasma given by Eq. (38). Here, \(\tau =-2000\) before interaction in (a), \(\tau =0\) at interaction point in (b), and \(\tau =2000\) after interaction in (c). Other parameters are \(n_{p0}=10^{28}cm^{-3}\), \(\alpha =0.8\), \(p_{1}=1\), \(p_{2}=0.7\), \(\rho =0.5\), \(k=0.9\), and \(k_{1}=0.6\).

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