Topological charge density renormalization in the presence of dynamical fermions

TL;DR

This paper investigates how the topological charge density in lattice QCD with dynamical fermions behaves under renormalization, proposing a method to determine renormalization functions via Monte Carlo simulations.

Contribution

It introduces a novel approach to extract renormalization functions of topological charge density in full QCD using Monte Carlo methods.

Findings

A new method for renormalization function extraction

Insights into the behavior of topological charge density

Potential applications in lattice QCD studies

Abstract

We study the renormalization group behaviour of the topological charge density in full QCD on the lattice. We propose a way of extracting the necessary renormalization functions from Monte Carlo simulations.