Lee-Yang Property and Gaussian multiplicative chaos
Abstract
The Lee-Yang property of certain moment generating functions having only pure imaginary zeros is valid for Ising type models with one-component spins and XY models with two-component spins. Villain models and complex Gaussian multiplicative chaos are two-component systems analogous to XY models and related to Gaussian free fields. Although the Lee-Yang property is known to be valid generally in the first case, we show that is not so in the second. Our proof is based on two theorems of general interest relating the Lee-Yang property to distribution tail behavior.
Keywords
Cite
@article{arxiv.1708.08820,
title = {Lee-Yang Property and Gaussian multiplicative chaos},
author = {Charles M. Newman and Wei Wu},
journal= {arXiv preprint arXiv:1708.08820},
year = {2018}
}
Comments
We changed the title to emphasize Gaussian multiplicative chaos. Theorem 11, giving criteria for when some zeros are not purely imaginary, has been considerably strengthened. This yields a correspondingly improved result for continuum complex Gaussian multiplicative chaos in Proposition 18