Cluster-size decay in supercritical long-range percolation

Joost Jorritsma, Júlia Komjáthy, Dieter Mitsche

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We study the cluster-size distribution of supercritical long-range percolation on $\mathbb{Z}^d$, where two vertices $x,y\in\mathbb{Z}^d$ are connected by an edge with probability $\mathrm{p}(\|x-y\|):=p\min\{1,\beta^\alpha\|x-y\|^{-\alpha d}\}$ for parameters $p\in(0, 1)$, $\alpha>1$, and $\beta>0$. We show that when $\alpha>1+1/d$, and either $\beta$ or $p$ is sufficiently large, the probability that the origin is in a finite cluster of size at least $k$ decays as $\exp\big(-\Theta(k^{(d-1)/d})\big)$. This corresponds to classical results for nearest-neighbor Bernoulli percolation on $\mathbb{Z}^d$, but is in contrast to long-range percolation with $\alpha
Original languageEnglish
Publication statusPublished - 1 Mar 2023

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