Figure 2

Dark soliton in this figure where (a) show the 3D, (b) show the 2D and (c) show contour graph of \(\phi _{2}(x,t)\) with \(k_1=1\), \(k_2=2\), \(p=2\),, \(l=2\), \(\mu =0\), and \(c_2=2\) with (t = 0.1, 0.3, 0.5).
Dark soliton in this figure where (a) show the 3D, (b) show the 2D and (c) show contour graph of \(\phi _{2}(x,t)\) with \(k_1=1\), \(k_2=2\), \(p=2\),, \(l=2\), \(\mu =0\), and \(c_2=2\) with (t = 0.1, 0.3, 0.5).