# Scaling functions for O(4) in three dimensions

## TL;DR

This paper uses Monte Carlo simulations with a cluster algorithm to compute the scaling part of the free energy in a 3D O(4) spin model, aiding high-temperature QCD lattice analysis.

## Contribution

It provides new Monte Carlo data on the scaling functions of the 3D O(4) model relevant for QCD studies.

## Key findings

- Computed scaling functions for the 3D O(4) model.
- Results are applicable to high-temperature QCD lattice analyses.
- Demonstrated effectiveness of cluster algorithms in this context.

## Abstract

Monte Carlo simulation using a cluster algorithm is used to compute the scaling part of the free energy for a three dimensional O(4) spin model. The results are relevant for analysis of lattice studies of high temperature QCD.