Static Planck stars from effective loop quantum gravity
General Relativity and Quantum Cosmology
2025-03-04 v2
Abstract
Effective loop quantum gravity dynamics are derived for spherically symmetric spacetimes with a perfect fluid matter content. For homogeneous spacetimes, the effective dynamics agree with the standard results of loop quantum cosmology, while the equations for static solutions give an effective Tolman-Oppenheimer-Volkoff equation. There exist solutions to the effective Tolman-Oppenheimer-Volkoff equation that have a mass of the order of the Planck mass, a Planckian radius, and no horizon; these miniature stars could potentially contribute to dark matter, and could be an end state for an evaporating black hole.
Keywords
Cite
@article{arxiv.2408.16533,
title = {Static Planck stars from effective loop quantum gravity},
author = {Edward Wilson-Ewing},
journal= {arXiv preprint arXiv:2408.16533},
year = {2025}
}
Comments
7 pages. v2: Clarifications and references added