G′/G Method and Exact Solutions to the Coupled Klein-Gordon-Zakharov Equations in Three Dimensional Space

Based on homogeneous balance method,G′/G expansion method was used to obtain new explicit exact solutions of coupled Klein-Gordon-Zakharov equations in three dimensional space with the aid of Mathematica.The solitary wave solutions,hyperbolic function solutions,trigonometric function solutions and rational function solutions were included in these solutions.