Bifurcations and exact traveling wave solutions of the equivalent complex short-pulse equations |
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Authors: | Jinsen Zhuang and Yan Zhou |
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Institution: | School of Mathematical Sciences, Huaqiao University, Quanzhou, Fujian 362021, P. R. China and School of Mathematical Sciences, Huaqiao University, Quanzhou, Fujian 362021, P. R. China |
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Abstract: | In this paper, we study the traveling wave solutions for a complex short-pulse equation of both focusing and defocusing types, which governs the propagation of ultrashort pulses in nonlinear optical fibers. It can be viewed as an analog of the nonlinear Schrodinger (NLS) equation in the ultrashort-pulse regime. The corresponding traveling wave systems of the equivalent complex short-pulse equations are two singular planar dynamical systems with four singular straight lines. By using the method of dynamical systems, bifurcation diagrams and explicit exact parametric representations of the solutions are given, including solitary wave solution, periodic wave solution, peakon solution, periodic peakon solution and compacton solution under different parameter conditions. |
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Keywords: | Solitary wave solution periodic wave solution peakon solution periodic peakon solution compacton solution equivalent complex short-pulse equation |
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