Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies
Abstract The standard Λ Cold Dark Matter (ΛCDM) cosmological model provides a good
description of a wide range of astrophysical and cosmological data. However, there are a …
description of a wide range of astrophysical and cosmological data. However, there are a …
Recent advances in inflation
SD Odintsov, VK Oikonomou, I Giannakoudi… - Symmetry, 2023 - mdpi.com
We review recent trends in inflationary dynamics in the context of viable modified gravity
theories. After providing a general overview of the inflationary paradigm emphasizing on …
theories. After providing a general overview of the inflationary paradigm emphasizing on …
The 4D Einstein–Gauss–Bonnet theory of gravity: a review
PGS Fernandes, P Carrilho, T Clifton… - … and Quantum Gravity, 2022 - iopscience.iop.org
We review the topic of 4D Einstein–Gauss–Bonnet (4DEGB) gravity, which has been the
subject of considerable interest over the past two years. Our review begins with a general …
subject of considerable interest over the past two years. Our review begins with a general …
Primordial gravitational waves from NANOGrav: A broken power-law approach
We revisit the possibility that the stochastic common-spectrum process recently detected by
the NANOGrav pulsar timing array experiment could be due to primordial gravitational …
the NANOGrav pulsar timing array experiment could be due to primordial gravitational …
Unifying inflation with early and late dark energy epochs in axion gravity
VK Oikonomou - Physical Review D, 2021 - APS
We provide a theoretical model of F (R) gravity in which it is possible to describe in a unified
way inflation, an early and a late dark energy era, in the presence of a light axion particle …
way inflation, an early and a late dark energy era, in the presence of a light axion particle …
A note on the novel 4D Einstein–Gauss–Bonnet gravity
WY Ai - Communications in Theoretical Physics, 2020 - iopscience.iop.org
Recently, a novel 4D Einstein–Gauss–Bonnet gravity has been proposed by Glavan and Lin
(2020 Phys. Rev. Lett. 124 081301) by rescaling the coupling $\alpha\to\alpha/(D-4) $ and …
(2020 Phys. Rev. Lett. 124 081301) by rescaling the coupling $\alpha\to\alpha/(D-4) $ and …
A refined Einstein–Gauss–Bonnet inflationary theoretical framework
VK Oikonomou - Classical and Quantum Gravity, 2021 - iopscience.iop.org
We provide a refined and much more simplified Einstein–Gauss–Bonnet inflationary
theoretical framework, which is compatible with the GW170817 observational constraints on …
theoretical framework, which is compatible with the GW170817 observational constraints on …
[HTML][HTML] Rectifying Einstein-Gauss-Bonnet inflation in view of GW170817
In this work we introduce a new theoretical framework for Einstein-Gauss-Bonnet theories of
gravity, which results to particularly elegant, functionally simple and transparent gravitational …
gravity, which results to particularly elegant, functionally simple and transparent gravitational …
[HTML][HTML] Charged 4D Einstein-Gauss-Bonnet-AdS black holes: Shadow, energy emission, deflection angle and heat engine
Recently, there has been a surge of interest in the 4D Einstein-Gauss-Bonnet (4D EGB)
gravity theory which bypasses the Lovelock theorem and avoids Ostrogradsky's instability …
gravity theory which bypasses the Lovelock theorem and avoids Ostrogradsky's instability …
[HTML][HTML] Anisotropic quark stars in Einstein-Gauss-Bonnet theory
Recent progress in the determination of both masses and radii of neutron stars has put
strong constraints on the equation of state (EoS) above the nuclear saturation density. Within …
strong constraints on the equation of state (EoS) above the nuclear saturation density. Within …