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Stabilizing the discrete vortex of topological charge S=2
Discrete vortex instability topological charge the lattice model analysis model the linear stability of discrete vortex
2014/12/29
We study the instability of the discrete vortex with topological charge S=2 in a prototypical lattice model and observe its mediation through the central lattice site. Motivated by this finding, we an...
Stable structures with high topological charge in nonlinear photonic quasicrystals
Whirlpool analysis of photonic crystals nonlinear
2014/12/24
Stable vortices with topological charges of 3 and 4 are examined numerically and analytically in photonic quasicrystals created by interference of five as well as eight beams, for cubic as well as sat...