The strong Feller property for singular stochastic PDEs

M Hairer, J Mattingly - 2018 - projecteuclid.org
We show that the Markov semigroups generated by a large class of singular stochastic
PDEs satisfy the strong Feller property. These include for example the KPZ equation and the …

Spectral gap for the stochastic quantization equation on the 2-dimensional torus

P Tsatsoulis, H Weber - 2018 - projecteuclid.org
We study the long time behavior of the stochastic quantization equation. Extending recent
results by Mourrat and Weber (Global well-posedness of the dynamic ϕ^4 in the plane …

A remark on Gibbs measures with log-correlated Gaussian fields

T Oh, K Seong, L Tolomeo - arXiv preprint arXiv:2012.06729, 2020 - arxiv.org
We study Gibbs measures with log-correlated base Gaussian fields on the $ d $-
dimensional torus. In the defocusing case, the construction of such Gibbs measures follows …

Stochastic quantization associated with the -quantum field model driven by space-time white noise on the torus

M Hoshino, H Kawabi, S Kusuoka - Journal of Evolution Equations, 2021 - Springer
We consider a quantum field model with exponential interactions on the two-dimensional
torus, which is called the\exp (Φ) _ 2 exp (Φ) 2-quantum field model or Høegh-Krohn's …

Classical field theory limit of many-body quantum Gibbs states in 2D and 3D

M Lewin, PT Nam, N Rougerie - Inventiones mathematicae, 2021 - Springer
We provide a rigorous derivation of nonlinear Gibbs measures in two and three space
dimensions, starting from many-body quantum systems in thermal equilibrium. More …

A para-controlled approach to the stochastic Yang-Mills equation in two dimensions

B Bringmann, S Cao - arXiv preprint arXiv:2305.07197, 2023 - arxiv.org
We consider the stochastic Yang-Mills heat equation on the two-dimensional torus. Using
regularity structures, Chandra, Chevyrev, Hairer, and Shen previously proved both the local …

Gibbs measures based on 1D (an) harmonic oscillators as mean-field limits

M Lewin, PT Nam, N Rougerie - Journal of Mathematical Physics, 2018 - pubs.aip.org
We prove that Gibbs measures based on 1D defocusing nonlinear Schrödinger functionals
with sub-harmonic trapping can be obtained as the mean-field/large temperature limit of the …

Large N limit of the O (N) linear sigma model via stochastic quantization

H Shen, SA Smith, R Zhu, X Zhu - The Annals of Probability, 2022 - projecteuclid.org
Large N limit of the O(N) linear sigma model via stochastic quantization Page 1 The Annals of
Probability 2022, Vol. 50, No. 1, 131–202 https://doi.org/10.1214/21-AOP1531 © Institute of …

Low temperature expansion for the Euclidean -measure

B Gess, K Seong, P Tsatsoulis - arXiv preprint arXiv:2404.14539, 2024 - arxiv.org
We study asymptotic expansions of the Euclidean $\Phi^ 4_2 $-measure in the low-
temperature regime. In particular, this extends the asymptotic expansions of Gaussian …

Stochastic Ricci flow on compact surfaces

J Dubédat, H Shen - International Mathematics Research …, 2022 - academic.oup.com
In this paper we introduce the stochastic Ricci flow (SRF) in two spatial dimensions. The flow
is symmetric with respect to a measure induced by Liouville conformal field theory. Using the …