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Fig. 7.

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Comparison of the predicted PD for isotropic Gaussian fluctuations based on confluent hypergeometric functions by Bandiera & Petruk (2016) against our simpler formula in Eq. (14). The expression for A = 0.72 (black dots) fits the BP16 model corresponding to α = 0.6 (the value adopted here, the central red curve) extremely well.

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