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Amplitude spiral wave in coupled complex Ginzburg-Landau equation

Gao Ji-Hua Xie Wei-Miao Gao Jia-Zhen Yang Hai-Peng Ge Zao-Chuan

Amplitude spiral wave in coupled complex Ginzburg-Landau equation

Gao Ji-Hua, Xie Wei-Miao, Gao Jia-Zhen, Yang Hai-Peng, Ge Zao-Chuan
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  • Abstract views:  2089
  • PDF Downloads:  596
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Publishing process
  • Received Date:  19 November 2011
  • Accepted Date:  12 December 2011
  • Published Online:  05 July 2012

Amplitude spiral wave in coupled complex Ginzburg-Landau equation

  • 1. Key Laboratory of Special Functional Materials of Shenzhen, College of Materials, Shenzhen University, Shenzhen 518060, China

Abstract: A novel amplitude spiral wave in coupled complex Ginzburg-Landau equation (CGLE) system is proposed. The stability conditions and the relevant factors are investigated via numerical simulations. On the tip of an amplitude spiral wave there exist no topological defect, which is different from the commonly observed phase spiral wave, and in its amplitude part (instead of phase part) there is a spiral structure. In this research, the stability of amplitude spiral wave is studied by considering the different initial patterns in the case of the system parameter mismatches.

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