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On the solitary wave solutions of the CQNLS

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  • Hua, Cuncai
  • Li, Kaitai

Abstract

In this paper, coexistence and simplified formulations of the solitary waves of the cubic–quintic non-linear Schrödinger equation (CQNLS) are investigated by analyzing the steady bifurcation and the energy integral of the conservative dynamical system satisfied by the wave packet. It is found that the bright solitary waves can coexist with kinks and anti-kinks in a range of the bifurcation control parameter. There exists a critical parameter value at which the dark solitary waves are distinguished from the bright solitary waves, kinks and anti-kinks. All of the simplified solitary wave solutions, kinks and anti-kinks are obtained by using our previously developed approximate method.

Suggested Citation

  • Hua, Cuncai & Li, Kaitai, 2005. "On the solitary wave solutions of the CQNLS," Chaos, Solitons & Fractals, Elsevier, vol. 25(5), pages 1169-1175.
    • Handle: RePEc:eee:chsofr:v:25:y:2005:i:5:p:1169-1175
    DOI: 10.1016/j.chaos.2004.11.082
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