We investigate numerically the stability and evolution of two-dimensional soliton-like structures in the form of necklaces in media with cubic-quintic nonlinearity. Using a variational technique, optimal input propagation parameters for… Click to show full abstract
We investigate numerically the stability and evolution of two-dimensional soliton-like structures in the form of necklaces in media with cubic-quintic nonlinearity. Using a variational technique, optimal input propagation parameters for the long-lived stable solutions are determined. Analytical expression is in good agreement with numerical findings.
               
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