Loop quantum gravity on dynamical lattice and improved cosmological effective dynamics with inflaton [PDF]
Physical Review D, 2021 In the path integral formulation of the reduced phase space Loop Quantum Gravity (LQG), we propose a new approach to allow the spatial cubic lattice (graph) to change dynamically in the physical time evolution.
Muxin Han, Hongguang Liu
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Thermodynamics of AdS-Schwarzschild-like black hole in loop quantum gravity [PDF]
The European Physical Journal CWe obtained the metric of the Schwarzschild-like black hole with loop quantum gravity (LQG) corrections in anti-de Sitter (AdS) space-time, under the assumption that the cosmological constant is decoupled in LQG.
Rui-Bo Wang +6 more
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The LQG string—loop quantum gravity quantization of string theory: I. Flat target space [PDF]
Classical and Quantum Gravity, 2006 We combine I. background independent Loop Quantum Gravity (LQG) quantization techniques, II. the mathematically rigorous framework of Algebraic Quantum Field Theory (AQFT) and III. the theory of integrable systems resulting in the invariant Pohlmeyer Charges in order to set up the general representation theory (superselection theory) for the closed ...
Thomas Thiemann
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Black hole collapse and bounce in effective loop quantum gravity [PDF]
Classical and quantum gravity, 2020 We derive effective equations with loop quantum gravity corrections for the Lemaître–Tolman–Bondi family of space-times, and use these to study quantum gravity effects in the Oppenheimer–Snyder collapse model.
Jarod George Kelly +2 more
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Scalar curvature operator for models of loop quantum gravity on a cubical graph [PDF]
Physical Review D, 2021 In this article we introduce a new operator representing the three-dimensional scalar curvature in loop quantum gravity. Our construction does not apply to the entire kinematical Hilbert space of loop quantum gravity; instead, the operator is defined on ...
J. Lewandowski, I. Mäkinen
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Loop quantum gravity effects on electromagnetic properties of charged leptons [PDF]
The European Physical Journal CThe efforts in this contribution consist in reassessing a modified Dirac equation that incorporates a γ0γ5\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage ...
J. P. S. Melo +3 more
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The Hilbert space of the Chern–Simons theory on a cylinder: a loop quantum gravity approach [PDF]
Classical and Quantum Gravity, 2010 Minor changes and some references added.
C. P. Constantinidis +2 more
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Comparing Quantum Gravity Models: String Theory, Loop Quantum Gravity, and Entanglement Gravity versus SU(∞)-QGR [PDF]
Symmetry, 2021 In a previous article we proposed a new model for quantum gravity (QGR) and cosmology, dubbed SU(∞)-QGR. One of the axioms of this model is that Hilbert spaces of the Universe and its subsystems represent the SU(∞) symmetry group.
H. Ziaeepour
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Inequivalence of mimetic gravity with models of loop quantum gravity [PDF]
Physical Review DCertain versions of mimetic gravity have recently been claimed to present potential covariant theories of canonically modified spherically symmetric gravity, motivated by ingredients from loop quantum gravity.
M. Bojowald, Erick I. Duque
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Spherically symmetric loop quantum gravity: analysis of improved dynamics [PDF]
Classical and quantum gravity, 2020 We study the ‘improved dynamics’ for the treatment of spherically symmetric space-times in loop quantum gravity introduced by Chiou et al in analogy with the one that has been constructed by Ashtekar, Pawlowski and Singh for the homogeneous space-times ...
R. Gambini, J. Olmedo, J. Pullin
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