Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2005-07-04
Physics
Condensed Matter
Other Condensed Matter
4 pages, 4 figures
Scientific paper
We consider the existence of a dynamically stable soliton in the one-dimensional cubic-quintic nonlinear Schr\"odinger model with strong cubic nonlinearity management for periodic and random modulations. We show that the predictions of the averaged cubic-quintic NLS equation and modified variational approach for the arrest of collapse coincide. The analytical results are confirmed by numerical simulations of one-dimensional cubic-quintic NLS equation with rapidly and strongly varying cubic nonlinearity coefficient.
Abdullaev Fatkhulla Kh.
Garnier Josselin
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