Cosmology with a stiff matter era
PH Chavanis - Physical Review D, 2015 - APS
We consider the possibility that the Universe is made of a dark fluid described by a quadratic
equation of state P= K ρ 2, where ρ is the rest-mass density and K is a constant. The energy …
equation of state P= K ρ 2, where ρ is the rest-mass density and K is a constant. The energy …
[PDF][PDF] Oops For The Loops II: Real Oops; LQG Does Not Optimize the Hilbert Einstein Action
SH Maes - viXra, 2022 - researchgate.net
This paper is an evolution of “Oops for the Loops”. As such it overlaps and repeats the first
few sections of the original paper, and then, adds a new section, demonstrating the issues …
few sections of the original paper, and then, adds a new section, demonstrating the issues …
Shadows of loop quantum black holes: semi-analytical simulations of loop quantum gravity effects on Sagittarius A* and M87
In this study, we delve into the observational implications of rotating Loop Quantum Black
Holes (LQBHs) within an astrophysical framework. We employ semi-analytical General …
Holes (LQBHs) within an astrophysical framework. We employ semi-analytical General …
Constraints on self-dual black hole in loop quantum gravity with S0-2 star in the galactic center
JM Yan, Q Wu, C Liu, T Zhu… - Journal of Cosmology and …, 2022 - iopscience.iop.org
One of remarkable features of loop quantum gravity (LQG) is that it can provide resolutions
to both the black hole and big bang singularities. In the mini-superspace approach based on …
to both the black hole and big bang singularities. In the mini-superspace approach based on …
[PDF][PDF] Oops For The Loops: Mounting LQG Woes And A Challenge To The LQG Community
SH Maes - viXra, 2021 - researchgate.net
This paper results from work done on the multi-fold theory which resulted in a proposal for
quantum gravity. In a multi-fold universe, gravity emerges from entanglement through the …
quantum gravity. In a multi-fold universe, gravity emerges from entanglement through the …
[HTML][HTML] Testing loop quantum cosmology
E Wilson-Ewing - Comptes Rendus Physique, 2017 - Elsevier
Loop quantum cosmology predicts that quantum gravity effects resolve the big-bang
singularity and replace it by a cosmic bounce. Furthermore, loop quantum cosmology can …
singularity and replace it by a cosmic bounce. Furthermore, loop quantum cosmology can …
Constraints on the rotating self-dual black hole with quasi-periodic oscillations
C Liu, H Siew, T Zhu, Q Wu, Y Sun… - Journal of Cosmology …, 2023 - iopscience.iop.org
An impressive feature of loop quantum gravity (LQG) is that it can elegantly resolve both the
big bang and black hole singularities. By using the Newman-Janis algorithm, a regular and …
big bang and black hole singularities. By using the Newman-Janis algorithm, a regular and …
Observational tests of the self-dual spacetime in loop quantum gravity
The self-dual spacetime was derived from the mini-superspace approach, based on the
polymerization quantization procedure in loop quantum gravity (LQG). Its deviation from the …
polymerization quantization procedure in loop quantum gravity (LQG). Its deviation from the …
Phenomenological investigation of a quantum gravity extension of inflation with the Starobinsky potential
We investigate the preinflationary dynamics of inflation with the Starobinsky potential,
favored by recent data from the Planck mission, using techniques developed to study …
favored by recent data from the Planck mission, using techniques developed to study …
Protected SL (2, ℝ) symmetry in quantum cosmology
The polymer quantization of cosmological backgrounds provides an alternative path to the
original Wheeler-de Witt (WdW) quantum cosmology, based on a different representation the …
original Wheeler-de Witt (WdW) quantum cosmology, based on a different representation the …