2D Ising Model with a Defect Line

TL;DR

This paper investigates the two-dimensional Ising model with a defect line, applying non-perturbative field-theoretical methods to compute multipoint energy correlations and the two-spin correlator along the defect.

Contribution

It introduces a non-perturbative field-theoretical approach to analyze the Ising model with a defect line, focusing on correlation functions.

Findings

Computed multipoint energy correlation functions with defect line

Evaluated two-spin correlator on the defect line

Provided insights into defect effects on correlations

Abstract

We study the two-dimensional Ising model with a defect line and evaluate multipoint energy correlation functions using non-perturbative field-theoretical methods. We also discuss the evaluation of the two spin correlator on the defect line.