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08/05/2024, 17:00 — 18:00 Europe/Lisbon — Instituto Superior Técnicohttps://tecnico.ulisboa.pt
Philippe Sosoe, Cornell University

Collapse for the infinite volume Phi_2^3 model

We study the $\Phi_2^3$-measure in the infinite volume limit. This Gibbs-type measure inspired by similar objects appearing in QFT also correspondis to the invariant measure for the nonlinear SPDE known as the stochastic quantization equations. We give sharp estimates for the partition function in the large torus limit which imply strong concentration of the field around zero.

Joint work with K. Seong.

Except for a few of the oldest sessions these are from the Seminário de Probabilidade e Mecânica Estatística at IMPA which is co-sponsored by several institutions, in particular Instituto Superior Técnico.