Complex temperatures zeroes of partition function in spin-glass models

TL;DR

This paper introduces an approximate method to analyze the complex-temperature behavior of spin-glass models using data from ferromagnetic models, revealing the universality line in the complex-temperature space.

Contribution

It presents a novel approximation technique leveraging ferromagnetic model data to study complex-temperature properties of spin-glass models.

Findings

Universality line in complex-temperature space identified.

Method provides insights into spin-glass behavior using ferromagnetic data.

Approximate approach offers a new tool for complex-temperature analysis.

Abstract

An approximate method is proposed for investigating complex-temperature properties of real-dimensional spin-glass models. The method uses the complex-temperature data of the ferromagnetic model on the same lattice. The universality line in the complex-temperature space is obtained.