Searching for a continuum limit in causal dynamical triangulation quantum gravity
Jan Ambjorn, Daniel Coumbe, Jakub Gizbert-Studnicki, Jerzy Jurkiewicz
TL;DR
This paper investigates how to achieve a continuum limit in causal dynamical triangulation quantum gravity by comparing two methods to adjust lattice spacing, providing insights into tuning the theory's parameters.
Contribution
It introduces two independent methods to determine lattice spacing changes, aiding in the tuning of couplings for the continuum limit in CDT quantum gravity.
Findings
Both methods yield similar results for lattice spacing adjustments.
Results suggest a way to tune couplings to reach the continuum limit.
Provides a potential pathway for continuum extrapolation in CDT.
Abstract
We search for a continuum limit in the causal dynamical triangulation (CDT) approach to quantum gravity by determining the change in lattice spacing using two independent methods. The two methods yield similar results that may indicate how to tune the relevant couplings in the theory in order to take a continuum limit.
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