Fig. 6

(a) 3D graph for \(\:\left|{\mathcal{A}}_{14}\left(x,t\right)\right|\) showing the plane wave solution’s physical behavior as a function of x and t variables. (Eq. (27)). (b) 2D graph for \(\:\left|{\mathcal{A}}_{14}\left(x,t\right)\right|\) as a function of t at \(\:t=0.3\).