Phenomenological implications of modified loop cosmologies: an overview
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 …
studied models of modified loop quantum cosmologies (mLQCs), which arise from different …
Loop quantum cosmology: relation between theory and observations
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 …
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 …
models wherein exact solutions of the Einstein field equations (EFEs) are obtained in a …
Qualitative dynamics and inflationary attractors in loop cosmology
Qualitative dynamics of three different loop quantizations of spatially flat isotropic and
homogeneous models is studied using an effective spacetime description of the underlying …
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 …
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
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 …
chaotic and Starobinsky potentials in the framework of modified loop quantum cosmologies …
-attractor potentials in loop quantum cosmology
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 …
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
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 …
modified loop quantum cosmological model (mLQC-I) using various inflationary potentials …
Preinflationary dynamics in loop quantum cosmology: Monodromy Potential
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 …
sourced by a scalar field with monodromy potential in LQC framework. In particular we …
Quantum gravitational onset of Starobinsky inflation in a closed universe
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 …
models in a closed universe. However, the onset of inflation in such models for a closed …