Phase transitions in the Ising model on random graphs

Fuente: arXiv
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Auteurs principaux: Alexandrov, Artem, Medvedev, Georgi S.
Format: Preprint
Publié: 2025
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author Alexandrov, Artem
Medvedev, Georgi S.
author_facet Alexandrov, Artem
Medvedev, Georgi S.
contents We study phase transitions in the Ising model on random graphs using graph limits. We show that the critical temperatures are determined by the eigenvalues of the kernel operator associated with the graph limit. Bifurcation diagrams for Erdos-Renyi, small-world, and power-law graphs illustrate the theory. In the small-world case, we identify metastable behavior in both ferromagnetic and antiferromagnetic regimes.
format Preprint
id arxiv_https___arxiv_org_abs_2511_10838
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Phase transitions in the Ising model on random graphs
Alexandrov, Artem
Medvedev, Georgi S.
Mathematical Physics
Statistical Mechanics
Pattern Formation and Solitons
We study phase transitions in the Ising model on random graphs using graph limits. We show that the critical temperatures are determined by the eigenvalues of the kernel operator associated with the graph limit. Bifurcation diagrams for Erdos-Renyi, small-world, and power-law graphs illustrate the theory. In the small-world case, we identify metastable behavior in both ferromagnetic and antiferromagnetic regimes.
title Phase transitions in the Ising model on random graphs
topic Mathematical Physics
Statistical Mechanics
Pattern Formation and Solitons
url https://arxiv.org/abs/2511.10838