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A simple but efficient approach for studying on nonlinear differential-difference equations

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  • Bai, Cheng-Lin
  • Li, Ying

Abstract

In this paper, we present a new approach for constructing exact solutions to nonlinear differential-difference equations (NLDDEs). By applying the new method, we have studied the saturable discrete nonlinear Schrodinger equation (SDNLSE) and obtained a number of new exact localized solutions, including discrete bright soliton solution, dark soliton solution, bright and dark soliton solution, alternating phase bright soliton solution, alternating phase dark soliton solution and alternating phase bright and dark soliton solution, provided that a special relation is bound on the coefficients of the equation among the solutions obtained.

Suggested Citation

  • Bai, Cheng-Lin & Li, Ying, 2009. "A simple but efficient approach for studying on nonlinear differential-difference equations," Chaos, Solitons & Fractals, Elsevier, vol. 39(1), pages 130-135.
    • Handle: RePEc:eee:chsofr:v:39:y:2009:i:1:p:130-135
    DOI: 10.1016/j.chaos.2007.01.121
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