Loop quantum gravity and Planck-size black hole entropy
Alejandro Corichi, Jacobo Diaz-Polo, Enrique Fernandez-Borja
TL;DR
This paper reviews Loop Quantum Gravity and its application to calculating black hole entropy, highlighting recent results for Planck-sized black holes that confirm theoretical predictions and include specific logarithmic corrections.
Contribution
It provides an accessible overview of LQG's approach to black hole entropy and presents recent findings that support the theory's predictions for Planck-scale black holes.
Findings
Entropy scales linearly with horizon area
Logarithmic correction coefficient is -1/2
Results support fixing a free parameter in LQG
Abstract
The Loop Quantum Gravity (LQG) program is briefly reviewed and one of its main applications, namely the counting of black hole entropy within the framework is considered. In particular, recent results for Planck size black holes are reviewed. These results are consistent with an asymptotic linear relation (that fixes uniquely a free parameter of the theory) and a logarithmic correction with a coefficient equal to -1/2. The account is tailored as an introduction to the subject for non-experts.
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