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Remarks on the one-point density of Hele-Shaw $\beta$-ensembles

Probability 2025-04-10 v3 Mathematical Physics math.MP

Abstract

In this note we prove equicontinuity for the family of one-point densities with respect to a two-dimensional Coulomb gas at an inverse temperature β1/2\beta\ge 1/2 confined by an external potential of Hele-Shaw (or quasi-harmonic) type. As a consequence, subsequential limiting Lipschitz continuous densities are defined on the microscopic scale. There are several additional results, for example comparing the one-point density with the thermal equilibrium density.

Keywords

Cite

@article{arxiv.2402.13882,
  title  = {Remarks on the one-point density of Hele-Shaw $\beta$-ensembles},
  author = {Yacin Ameur and Erik Troedsson},
  journal= {arXiv preprint arXiv:2402.13882},
  year   = {2025}
}

Comments

Contains minor revisions