Fig. 2

The wave plots of \(\operatorname {Re}({{p}_{1}}(x,t))\) and \(\operatorname {Im}({{p}_{1}}(x,t))\) where \({{\left| {{p}_{1}}(x,t) \right| }^{2}}\), where \(a_{1} = 0.4,a_{2} = 0.5,\)\(\:b_{1} = c_{1} = y = w = 0.3,\)\(\: c_{2} = c_{3} = 2,b_{2} = c_{4} = 1,\)\(\:c_{5} = 0.2,s = - 0.2,\)\(\: n_{1} = u = \rho = 0.1,K = 2\) and \(\tau =1\).