2023/08/15 by Hugo Duminil‐Copin, Duminil-Copin, Hugo, Subhajit Goswami +7 · 2 citations
Mathematics · Physics and Astronomy · #05C81 #60G50 #60K35 #82B43 #FOS: Mathematics #FOS: Physical sciences #Markov Chains and Monte Carlo Methods #Mathematical Physics (math-ph) #Probability (math.PR) #Stochastic processes and statistical mechanics #Theoretical and Computational Physics
paper · pdf · doi:10.48550/arxiv.2308.07920
openalex publication_date 2023/08/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30
We consider a percolation model, the vacant set Vu of random interlacements on ℤd, d ≥ 3, in the regime of parameters u>0 in which it is strongly percolative. By definition, such values of u pinpoint a robust subset of the super-critical phase, with strong quantitative controls on large local clusters. In the present work, we give a new charaterization of this regime in terms of a single property, monotone in u, involving a disconnection estimate for Vu. A key aspect is to exhibit a gluing property for large local clusters from this information alone, and a major challenge in this undertaking is the fact that the conditional law of Vu exhibits degeneracies. As one of the main novelties of this work, the gluing technique we develop to merge large clusters accounts for such effects. In particular, our methods do not rely on the widely assumed finite-energy property, which the set Vu does not possess. The charaterization we derive plays a decisive role in the proof of a lasting conjecture regarding the coincidence of various critical parameters naturally associated to Vu in a companion article.