Constraint correlation functions of the one-dimensional Ising model in the scaling limit

Fuente: arXiv
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Main Authors: Balog, Ivan, Rançon, Adam
Format: Preprint
Published: 2025
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author Balog, Ivan
Rançon, Adam
author_facet Balog, Ivan
Rançon, Adam
contents We study the correlation function of the one-dimensional Ising model at fixed magnetization. Focusing on the scaling limit close to the zero-temperature fixed point, we show that this correlation function, in momentum space, exhibits surprising oscillations as a function of the magnetization. We show that these oscillations have a period inversely proportional to the momentum and give an interpretation in terms of domain walls. This is in sharp contrast with the behavior of the correlation function in constant magnetic fields, and sheds light on recent results obtained by Monte Carlo simulations for the correlation functions of the critical two-dimensional Ising model at fixed magnetization.
format Preprint
id arxiv_https___arxiv_org_abs_2509_08557
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Constraint correlation functions of the one-dimensional Ising model in the scaling limit
Balog, Ivan
Rançon, Adam
Statistical Mechanics
We study the correlation function of the one-dimensional Ising model at fixed magnetization. Focusing on the scaling limit close to the zero-temperature fixed point, we show that this correlation function, in momentum space, exhibits surprising oscillations as a function of the magnetization. We show that these oscillations have a period inversely proportional to the momentum and give an interpretation in terms of domain walls. This is in sharp contrast with the behavior of the correlation function in constant magnetic fields, and sheds light on recent results obtained by Monte Carlo simulations for the correlation functions of the critical two-dimensional Ising model at fixed magnetization.
title Constraint correlation functions of the one-dimensional Ising model in the scaling limit
topic Statistical Mechanics
url https://arxiv.org/abs/2509.08557