# Correlation functions in lattice formulations of quantum gravity

## TL;DR

This paper compares various lattice quantum gravity models using Monte Carlo simulations to analyze two-point functions and estimate interaction particle masses, advancing understanding of quantum gravity on a discrete spacetime.

## Contribution

It introduces a comparative analysis of lattice quantum gravity models based on Regge calculus with new Monte Carlo simulation results.

## Key findings

- Two-point functions computed for different models
- Estimated masses of interaction particles
- Insights into the structure of quantum spacetime

## Abstract

We compare different models of a quantum theory of four-dimensional lattice gravity based on Regge's original proposal. From Monte Carlo simulations we calculate two-point functions between geometrical quantities and estimate the masses of the corresponding interaction particles.