Fig. 2.
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Top panel: Measured correlation function for Lévy flights with α = 1.5, ℓ0 = 0.02 (red points and error bars). The dashed blue line is the expected large r ≫ ℓ0 behaviour ζ(r)∼rα − D, but the actual dependence is slightly steeper, with an effective measured power law α ≃ 1.43 (solid blue line). Bottom panel: Measured Skewness 𝒮3 from Lévy flights with different ξ0 variances (red points and error bars) with α = 3/2. The error bars correspond to the error on the mean from Nreal = 100 realisations each. The BMF prediction yields a better fit to the measured skewness compared to the MF (dashed black line), but there is a slight ambiguity in recovering the exact BMF prediction due to the α dependence of the statistic (cf. solid, dashed blue lines and shaded blue region).
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