Polynomial chaos and scaling limits of disordered systems
Journal of the European Mathematical Society, Tome 19 (2017) no. 1, pp. 1-65
Cet article a éte moissonné depuis la source EMS Press
Inspired by recent work of Alberts, Khanin and Quastel, we formulate general conditions ensuring that a sequence of multi-linear polynomials of independent random variables (called polynomial chaos expansions) converges to a limiting random variable, given by a Wiener chaos expansion over the d-dimensional white noise. A key ingredient in our approach is a Lindeberg principle for polynomial chaos expansions, which extends earlier work of Mossel, O’Donnell and Oleszkiewicz. These results provide a unified framework to study the continuum and weak disorder scaling limits of statistical mechanics systems that are disorder relevant, including the disordered pinning model, the (long-range) directed polymer model in dimension 1 + 1, and the two-dimensional random field Ising model. This gives a new perspective in the study of disorder relevance, and leads to interesting new continuum models that warrant further studies.
Classification :
82-XX, 60-XX
Keywords: Continuum limit, finite size scaling, Lindeberg principle, polynomial chaos, Wiener chaos, disordered pinning model, directed polymer model, random field Ising model
Keywords: Continuum limit, finite size scaling, Lindeberg principle, polynomial chaos, Wiener chaos, disordered pinning model, directed polymer model, random field Ising model
@article{JEMS_2017_19_1_a0,
author = {Francesco Caravenna and Rongfeng Sun and Nikos Zygouras},
title = {Polynomial chaos and scaling limits of disordered systems},
journal = {Journal of the European Mathematical Society},
pages = {1--65},
year = {2017},
volume = {19},
number = {1},
doi = {10.4171/jems/660},
url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/660/}
}
TY - JOUR AU - Francesco Caravenna AU - Rongfeng Sun AU - Nikos Zygouras TI - Polynomial chaos and scaling limits of disordered systems JO - Journal of the European Mathematical Society PY - 2017 SP - 1 EP - 65 VL - 19 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/660/ DO - 10.4171/jems/660 ID - JEMS_2017_19_1_a0 ER -
%0 Journal Article %A Francesco Caravenna %A Rongfeng Sun %A Nikos Zygouras %T Polynomial chaos and scaling limits of disordered systems %J Journal of the European Mathematical Society %D 2017 %P 1-65 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4171/jems/660/ %R 10.4171/jems/660 %F JEMS_2017_19_1_a0
Francesco Caravenna; Rongfeng Sun; Nikos Zygouras. Polynomial chaos and scaling limits of disordered systems. Journal of the European Mathematical Society, Tome 19 (2017) no. 1, pp. 1-65. doi: 10.4171/jems/660
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