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Fluctuations of the Magnetization for Ising Models on Dense Erdős-Rényi Random Graphs (1905.12326v1)
Published 29 May 2019 in math.PR
Abstract: We analyze Ising/Curie-Weiss models on the (directed) Erd\H{o}s-R\'enyi random graph on $N$ vertices in which every edge is present with probability $p$. These models were introduced by Bovier and Gayrard [J. Stat. Phys., 1993]. We prove a quenched Central Limit Theorem for the magnetization in the high-temperature regime $\beta<1$ when $p=p(N)$ satisfies $p3N2\to +\infty$.