Cubic nonlinearity arrests growth of the amplified chiral mode in space-time modulated parametric oscillators, yielding steady finite-amplitude circulating motion predicted by a symmetry-reduced averaged equation and confirmed in elastic plate simulations.
LetR ∗0 be the numerically-computed steady-state am- plitude of the FEM trace for a set of FEM simulation parameters (α′ 0, δ′ 0, ϵ′ 0, ω′ 0)
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Nonlinear stabilization of chiral modes in space-time modulated parametric oscillators
Cubic nonlinearity arrests growth of the amplified chiral mode in space-time modulated parametric oscillators, yielding steady finite-amplitude circulating motion predicted by a symmetry-reduced averaged equation and confirmed in elastic plate simulations.