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EXACT TRAVELLING WAVE SOLUTIONS FOR NONLINEAR SCHRODINGER EQUATION WITH VARIABLE COEFFICIENTS
Keywords:Nonlinear Schrodinger Equation, Travelling Wave Solution, Extended (G'/G )-expansion Method.
Abstract:
      In this paper, nonlinear Schrodinger equation with variable coef cients in nonlinear optics are investigated. Based on travelling wave transformation and the extended (G'/G )-expansion method, exact travelling wave solutions to nonlinear Schrodinger equation with time-dependent coecients are derived successfully, which include bright and dark soliton solutions, triangular function periodic solutions, hyperbolic function solutions and rational function solutions.