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Phase diagram of the random frequency oscillator: The case of Ornstein-Uhlenbeck noise

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FIG. 1: Critical curves obtained by simulating Eq. (4). The curves with black circles ( • ) and with squares (  ) correspond to τ = 1 and τ = 2, respectively
FIG. 2: Phase diagram obtained by the decoupling Ansatz for τ = 0.1, 0.5, 1.0 and 2.0
FIG. 3: Various approximations for the phase digram at τ = 1. The critical curve, computed numerically, is plotted in full line with black circles (•)

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