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Gravitational Lensing Effects from Models of Loop Quantum Gravity with Rigorous Quantum Parameters

Universe
Many previous works have studied gravitational lensing effects from Loop Quantum Gravity. So far, gravitational lensing effects from Loop Quantum Gravity have only been studied by choosing large quantum parameters much larger than the Planck scale ...
Haida Li, Xiangdong Zhang
doaj   +1 more source

Loop quantization of the Schwarzschild black hole [PDF]

, 2013
We quantize spherically symmetric vacuum gravity without gauge fixing the diffeomorphism constraint. Through a rescaling, we make the algebra of Hamiltonian constraints Abelian and therefore the constraint algebra is a true Lie algebra.
Gambini, Rodolfo, Pullin, Jorge
core   +3 more sources

A primer of group theory for Loop Quantum Gravity and spin-foams [PDF]

General Relativity and Gravitation, 2019
Calculations in Loop Quantum Gravity (LQG) and spin-foams theory rely heavily on group theory of SU(2) and SL2(C)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy ...
P. Martin-Dussaud
semanticscholar   +1 more source

Loop Quantum Gravity Phenomenology: Linking Loops to Observational Physics

Symmetry, Integrability and Geometry: Methods and Applications, 2012
Research during the last decade demonstrates that effects originating on the Planck scale are currently being tested in multiple observational contexts.
Florian Girelli, Franz Hinterleitner, Seth A. Major   +2 more
doaj   +1 more source

Quantum isolated horizons and black hole entropy

, 2012
We give a short introduction to the approaches currently used to describe black holes in loop quantum gravity. We will concentrate on the classical issues related to the modeling of black holes as isolated horizons, give a short discussion of their ...
G., J. Fernando Barbero, Lewandowski, Jerzy, Villaseñor, Eduardo J. S.   +2 more
core   +1 more source

Towards Cosmological Dynamics from Loop Quantum Gravity [PDF]

, 2018
We present a systematic study of the cosmological dynamics resulting from an effective Hamiltonian, recently derived in loop quantum gravity (LQG) using Thiemann's regularization and earlier obtained in loop quantum cosmology (LQC) by keeping the ...
Bao-Fei Li, Parampreet Singh, Anzhong Wang   +2 more
semanticscholar   +1 more source

Testing loop quantum cosmology [PDF]

, 2017
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 also modify the form of primordial cosmological perturbations, for example by ...
Wilson-Ewing, Edward
core   +2 more sources

Polar gravitational perturbations and quasinormal modes of a loop quantum gravity black hole

, 2020
In this work, we have calculated the polar gravitational quasinormal modes for a quantum corrected black hole model, that arises in the context of Loop Quantum Gravity, known as Self-Dual Black Hole.
M. Cruz, F. A. Brito, C. A. S. Silva
semanticscholar   +1 more source

Coherent intertwiner solution of simplicity constraint in all dimensional loop quantum gravity [PDF]

Physical Review D, 2019
We propose a new treatment of the quantum simplicity constraints appearing in the general ${SO(D+1)}$ formulation of loop quantum gravity for the ${(1+D)}$-dimensional space-time. Instead of strongly imposing the constraints, we construct a specific form
Gaoping Long, Chunshan Lin, Yongge Ma
semanticscholar   +1 more source

Polytopes in all dimensional loop quantum gravity

European Physical Journal C: Particles and Fields, 2022
The Lasserre’s reconstruction algorithm is extended to the D-polytopes with the construction of their shape space. Thus, the areas of d-skeletons $$(1\le d\le D)$$ ( 1 ≤ d ≤ D ) can be expressed as functions of the areas and normal bi-vectors of the (D-1)
Gaoping Long, Yongge Ma
doaj   +1 more source