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Extreme events in discrete nonlinear lattices
(Physical Review E, 2009)
We perform statistical analysis on discrete nonlinear waves generated through modulational instability in the context of the Salerno model that interpolates between the intregable Ablowitz-Ladik (AL) equation and the ...
High-speed kinks in a generalized discrete phi(4) model
(Physical Review E, 2008)
We consider a generalized discrete phi(4) model and demonstrate that it can support exact moving kink solutions in the form of tanh with an arbitrarily large velocity. The constructed exact moving solutions are dependent ...
Left-handed metamaterials with saturable nonlinearity
(Physical Review E, 2008)
The left-handed properties of metamaterials with saturable nonlinearity are analyzed with respect to their electromagnetic response as a function of externally varying parameters. We demonstrate that the response of the ...