Deformed general relativity and effective actions from loop quantum gravity
M Bojowald, GM Paily - Physical Review D—Particles, Fields, Gravitation, and …, 2012 - APS
Canonical methods can be used to construct effective actions from deformed covariance
algebras, as implied by quantum-geometry corrections of loop quantum gravity. To this end …
algebras, as implied by quantum-geometry corrections of loop quantum gravity. To this end …
Generalized uncertainty principles and localization of a particle in discrete space
M Bojowald, A Kempf - Physical Review D—Particles, Fields, Gravitation, and …, 2012 - APS
Generalized uncertainty principles are able to serve as useful descriptions of some of the
phenomenology of quantum gravity effects, providing an intuitive grasp on nontrivial space …
phenomenology of quantum gravity effects, providing an intuitive grasp on nontrivial space …
Background-independent quantization and the uncertainty principle
It is shown that polymer quantization leads to a modified uncertainty principle similar to that
motivated by string theory and non-commutative geometry. When applied to quantum field …
motivated by string theory and non-commutative geometry. When applied to quantum field …
Propagation of quantum gravity-modified gravitational waves on a classical FLRW spacetime
The linearized Einstein field equations provide a low-energy wave equation for the
propagation of gravitational fields which may originate from a high-energy source. Motivated …
propagation of gravitational fields which may originate from a high-energy source. Motivated …
Propagator in polymer quantum field theory
We study free scalar field theory on flat spacetime using a background-independent
(polymer) quantization procedure. Specifically we compute the propagator using a method …
(polymer) quantization procedure. Specifically we compute the propagator using a method …
Minisuperspace models as infrared contributions
M Bojowald, S Brahma - Physical Review D, 2016 - APS
A direct correspondence of quantum mechanics as a minisuperspace model for a self-
interacting scalar quantum-field theory is established by computing, in several models, the …
interacting scalar quantum-field theory is established by computing, in several models, the …
High energy modifications of blackbody radiation and dimensional reduction
Quantization prescriptions that realize generalized uncertainty relations are motivated by
quantum gravity arguments that incorporate a fundamental length scale. We apply two such …
quantum gravity arguments that incorporate a fundamental length scale. We apply two such …
Propagators in polymer quantum mechanics
E Flores-González, HA Morales-Técotl, JD Reyes - Annals of Physics, 2013 - Elsevier
Abstract Polymer Quantum Mechanics is based on some of the techniques used in the loop
quantization of gravity that are adapted to describe systems possessing a finite number of …
quantization of gravity that are adapted to describe systems possessing a finite number of …
Matter in loop quantum gravity
GM Hossain - SIGMA. Symmetry, Integrability and Geometry: Methods …, 2012 - emis.de
Loop quantum gravity, a non-perturbative and manifestly background free, quantum theory
of gravity implies that at the kinematical level the spatial geometry is discrete in a specific …
of gravity implies that at the kinematical level the spatial geometry is discrete in a specific …
Nonsingular inflationary universe from polymer matter
We consider a polymer quantization of a free massless scalar field in a homogenous and
isotropic classical cosmological spacetime. This quantization method assumes that field …
isotropic classical cosmological spacetime. This quantization method assumes that field …