Bifurcating bright and dark solitary waves of the nearly nonlinear cubic-quintic Schrodinger equation

Details Bifurcating bright and dark solitary waves of the nearly nonlinear cubic-quintic Schrodinger equation Bifurcating bright and dark solitary waves of the nearly nonlinear cubic-quintic Schrodinger equation

1996-08-26

arxiv.org/abs/patt-sol/9608009v1

Nonlinear Sciences

Pattern Formation and Solitons

Latex, 39 pages, 7 figures (type "latex main" to latex the paper)

Scientific paper

The existence of bright and dark multi-bump solitary waves for Ginzburg-Landau type perturbations of the cubic-quintic Schrodinger equation is considered. The waves in question are not perturbations of known analytic solitary waves, but instead arise as a bifurcation from a heteroclinic cycle in a three dimensional ODE phase space. Using geometric singular perturbation techniques, regions in parameter space for which 1-bump bright and dark solitary waves will bifurcate are identified. The existence of N-bump dark solitary waves is shown via an application of the Exchange Lemma with Exponentially Small Error. N-bump bright solitary waves are shown to exist as a consequence of the previous work of S. Maier-Paape and this author.

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