We explain how spectrally stable vortices of the Nonlinear Schr"odinger Equation in the plane can be orbitally unstable. This relates to the nonlinear Fermi golden rule, a mechanism which exploits the nonlinear interaction between discrete and continuous modes of the NLS.
On Orbital Instability of Spectrally Stable Vortices of the NLS in the Plane
CUCCAGNA, SCIPIO;
2016-01-01
Abstract
We explain how spectrally stable vortices of the Nonlinear Schr"odinger Equation in the plane can be orbitally unstable. This relates to the nonlinear Fermi golden rule, a mechanism which exploits the nonlinear interaction between discrete and continuous modes of the NLS.File in questo prodotto:
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Descrizione: The final publication is available at Springer via http://dx.doi.org/10.1007/s00332-016-9322-9
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