High-temperature Poisson limits for interacting particle systems
 
 
Description: 

I will discuss a system of interacting particles subject to two competing effects: a pairwise repulsive interaction and an external confining potential. At positive temperature, the system is described by a Gibbs measure, and the central question is to understand its behavior as the number of particles tends to infinity. In the high-temperature regime, one expects the entropy to dominate the interaction at microscopic scales, leading to Poissonian local statistics. Despite this natural expectation, Poisson convergence has so far been established only in rather specific settings, and typically under very strong assumptions on the growth of the temperature.

In this talk, I will present new regimes in which Poisson convergence holds, and explain the main ideas behind the proof.
No background in statistical physics is needed.

Date:  2026-10-09
Start Time:   14:30
Speaker:  David Padilla-Garza (IST Austria)
Institution:  IST Austria
Place:  Sala 5.5, DMUC
Research Groups: -Analysis
-Probability and Statistics
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© Centre for Mathematics, University of Coimbra, funded by
Science and Technology Foundation
Financiado total ou parcialmente pela FCT, Fundação para a Ciência e a Tecnologia, I.P., sob o Financiamento de:
UID/00324/2025 Projeto Estratégico com a referência DOI https://doi.org/10.54499/UID/00324/2025.
https://doi.org/10.54499/UID/PRR/00324/2025     UID/PRR/00324/2025   https://doi.org/10.54499/UID/PRR2/00324/2025   UID/PRR2/00324/2025
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