Phenomenological implications of modified loop cosmologies: an overview

BF Li, P Singh, A Wang - Frontiers in Astronomy and Space Sciences, 2021 - frontiersin.org
In this paper, we first provide a brief review of the effective dynamics of two recently well-
studied models of modified loop quantum cosmologies (mLQCs), which arise from different …

Loop quantum cosmology: relation between theory and observations

I Agullo, A Wang, E Wilson-Ewing - Handbook of Quantum Gravity, 2023 - Springer
This chapter provides a review of the frameworks developed for cosmological perturbation
theory in loop quantum cosmology and applications to various models of the early universe …

Dark energy models from a parametrization of H: a comprehensive analysis and observational constraints

SKJ Pacif - The European Physical Journal Plus, 2020 - Springer
The presented paper is a comprehensive analysis of two dark energy (DE) cosmological
models wherein exact solutions of the Einstein field equations (EFEs) are obtained in a …

Qualitative dynamics and inflationary attractors in loop cosmology

BF Li, P Singh, A Wang - Physical Review D, 2018 - APS
Qualitative dynamics of three different loop quantizations of spatially flat isotropic and
homogeneous models is studied using an effective spacetime description of the underlying …

Loop quantum cosmology: Physics of singularity resolution and its implications

BF Li, P Singh - Handbook of Quantum Gravity, 2023 - Springer
The occurrences of singularities where spacetime curvature becomes infinite and geodesic
evolution breaks down are inevitable events in classical general relativity (GR) unless one …

Genericness of pre-inflationary dynamics and probability of the desired slow-roll inflation in modified loop quantum cosmologies

BF Li, P Singh, A Wang - Physical Review D, 2019 - APS
We study the evolution of a spatially flat Friedmann-Lemaître-Robertson-Walker universe for
chaotic and Starobinsky potentials in the framework of modified loop quantum cosmologies …

-attractor potentials in loop quantum cosmology

G Levy, RO Ramos - Physical Review D, 2024 - APS
We perform in this work an analysis of the background dynamics for α-attractor models in the
context of loop quantum cosmology. Particular attention is given to the determination of the …

[HTML][HTML] Universal properties of the evolution of the Universe in modified loop quantum cosmology

J Saeed, R Pan, C Brown, G Cleaver, A Wang - Universe, 2024 - mdpi.com
In this paper, we systematically study the evolution of the Universe within the framework of a
modified loop quantum cosmological model (mLQC-I) using various inflationary potentials …

Preinflationary dynamics in loop quantum cosmology: Monodromy Potential

M Sharma, M Shahalam, Q Wu… - Journal of Cosmology and …, 2018 - iopscience.iop.org
In this article we explore the pre-inflationary background dynamics of an FLRW universe
sourced by a scalar field with monodromy potential in LQC framework. In particular we …

Quantum gravitational onset of Starobinsky inflation in a closed universe

L Gordon, BF Li, P Singh - Physical Review D, 2021 - APS
Recent cosmic microwave background observations favor low-energy-scale inflationary
models in a closed universe. However, the onset of inflation in such models for a closed …