Nonlinear damped higher order nonlinear Schrodinger dynamics
- University of Central Florida, Mathematics, Orlando, United States of America (drschober@gmail.com)
The spatially periodic breather solutions (SPBs) of the nonlinear Schr\"odinger equation, prominent in modeling rogue waves, are
unstable.
In this paper we numerically investigate the effects of nonlinear dissipation and higher order nonlinearities on the routes to stability of the SPBs in the
framework of the nonlinear damped higher order nonlinear Schr\"odinger (NLD-HONLS) equation.
We appeal to the Floquet spectral theory of the NLS equation to interpret and provide a characterization of the perturbed dynamics in terms of nearby solutions of the NLS equation. The number of instabilities of the background Stokes wave, the damping strength, and the time of onset of nonlinear damping are varied.
A broad categorization of the routes to stability of the SPBs and the novel features related to the effects of nonlinear damping will be discussed.
How to cite: Schober, C.: Nonlinear damped higher order nonlinear Schrodinger dynamics, EGU General Assembly 2022, Vienna, Austria, 23–27 May 2022, EGU22-6806, https://doi.org/10.5194/egusphere-egu22-6806, 2022.