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- W4293503171 abstract "We derive a closed expression for the spatial shift experienced by a black soliton colliding with a shallow dark soliton in the context of deformed non-linear Schr{o}dinger models. A perturbative scheme is developed based on the expansion parameter $1/(g v)<<1$, where $v$ is the velocity of the incoming shallow dark soliton, $g equiv 1/sqrt{1-v^2/v_s^2}$, and $v_s$ is the Bogoliubov sound speed, therefore it is not restricted to small deformations of the integrable NLS model. As applications of our formalism we consider the integrable NLS model and the non-integrable cubic-quintic NLS model with non-vanishing boundary conditions. Extensive numerical simulations are performed in order to verify our results. A variant of the analysis for gray-gray soliton collision is discussed regarding a fast broad soliton and a slow thin soliton." @default.
- W4293503171 created "2022-08-29" @default.
- W4293503171 creator A5056916238 @default.
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- W4293503171 date "2015-01-03" @default.
- W4293503171 modified "2023-10-09" @default.
- W4293503171 title "Space shifts of colliding ultrasonic dark solitons in deformed non-linear Schrodinger models" @default.
- W4293503171 doi "https://doi.org/10.48550/arxiv.1501.01278" @default.
- W4293503171 hasPublicationYear "2015" @default.
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