Fig. 5

The 3D, contour and 2D (when y = 0) graphs for the twinning kink soliton solution \(\psi _{2, 4 }\) stated in (31), are plotted for \(\lambda := 1, \mu := 0, \nu := 1, \varrho := 0.75E^{-1},\) \(C:= 0.15, t:= 10, \omega _{0}:= 0.5E^{-1}, \omega _{1}:= 1, k_{1}:= 3\).