Estimate of the exit time for the Long Range Ising model on random regular graphs
Abstract
We investigate the metastable behavior of the long-range Ising model on random regular graphs under Glauber dynamics at low-temperature. We estimate the energy barrier and exit time from the metastable state using a nontrivial path-wise approach that explicitly accounts for the spatial decay of the interactions and the structural properties of the graph, such as the Cheeger constant and known estimates of the diameter. Our results generalize those of Dommers dommers2017metastability for the short-range case, providing a unified framework for understanding metastability in systems with long-range interactions.
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