2017•Nonlinear DynamicsRequires access

Discrete breathers and modulational instability in a discrete $$\varvec{\phi ^{4}}$$ ϕ 4 nonlinear lattice with next-nearest-neighbor couplings

Bing Tang, Ke Deng

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Key concepts: Modulational instability, Breather, Physics, Lattice (music), Instability, Nonlinear system, k-nearest neighbors algorithm, Coupling (piping)