Separation Transformation and a Class of Exact Solutions to the Higher-Dimensional Klein-Gordon-Zakharov Equation

Figure 2

Nonlinear periodic-wave structure of the (2+1)-dimensional KGZ equation at time 𝑡=0, given by (33)-(34) and (23) with parameters in (36) and function 𝑓(𝜂) satisfying (37) and elliptic modulus 𝑚=0.98.