New explicit exact solutions to a nonlinear dispersive－dissipative equation
Naranmandula (那仁满都拉)ab, Wang Ke-Xie (王克协)a
a College of Physics, Jilin University, Changchun 130023, China; b College of Physics and Electromechanics, Inner Mongolia University for Nationalities, Tongliao 028043, China
Abstract Using the first-integral method, we obtain a series of new explicit exact solutions such as exponential function solutions, triangular function solutions, singular solitary wave solution and kink solitary wave solution of a nonlinear dispersive－dissipative equation, which describes weak nonlinear ion-acoustic waves in plasma consisting of cold ions and warm electrons.
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