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Fig. 4


Numerical spectrum of the Lyapunov exponent for m = 0, η = 0.71, and ωp ∈ [ 0.2,2.0 ]. From top to bottom: ε = { −0.50, −0.25,0.30,0.60 }. The blue solid line marks the frequency of the transition between the D and DT modes. The red open squares correspond to the modes shown in Figs. 6 to 8.

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