Modified gravity theories on a nutshell: Inflation, bounce and late-time evolution

S Nojiri, SD Odintsov, VK Oikonomou - Physics Reports, 2017 - Elsevier
We systematically review some standard issues and also the latest developments of
modified gravity in cosmology, emphasizing on inflation, bouncing cosmology and late-time …

Stellar structure models in modified theories of gravity: Lessons and challenges

GJ Olmo, D Rubiera-Garcia, A Wojnar - Physics Reports, 2020 - Elsevier
The understanding of stellar structure represents the crossroads of our theories of the
nuclear force and the gravitational interaction under the most extreme conditions observably …

Modified gravity and cosmology

EN Saridakis, R Lazkoz, V Salzano, PV Moniz… - 2021 - Springer
The dawn of the twenty-first century came with very positive prospects for gravity, cosmology,
and astrophysics. Technological progress made it possible for cosmology to enter to its …

Physical characteristics and maximum allowable mass of hybrid star in the context of f(Q) gravity

P Bhar, S Pradhan, A Malik, PK Sahoo - The European Physical Journal C, 2023 - Springer
In this study, we explore several new characteristics of a static anisotropic hybrid star with
strange quark matter (SQM) and ordinary baryonic matter (OBM) distribution. Here, we use …

Anisotropic compact stars in f(R) gravity

GGL Nashed, S Capozziello - The European Physical Journal C, 2021 - Springer
We derive a new interior solution for stellar compact objects in f (R) gravity assuming a
differential relation to constrain the Ricci curvature scalar. To this aim, we consider specific …

Mimetic gravity: a review of recent developments and applications to cosmology and astrophysics

L Sebastiani, S Vagnozzi… - Advances in High Energy …, 2017 - Wiley Online Library
Mimetic gravity is a Weyl‐symmetric extension of General Relativity, related to the latter by a
singular disformal transformation, wherein the appearance of a dust‐like perfect fluid can …

Cosmological dynamics of mimetic gravity

J Dutta, W Khyllep, EN Saridakis… - … of Cosmology and …, 2018 - iopscience.iop.org
We present a detailed investigation of the dynamical behavior of mimetic gravity with a
general potential for the mimetic scalar field. Performing a phase-space and stability …

Covariant Hořava-like and mimetic Horndeski gravity: cosmological solutions and perturbations

G Cognola, R Myrzakulov, L Sebastiani… - … and quantum gravity, 2016 - iopscience.iop.org
We consider a variant of the Nojiri–Odintsov covariant Hořava-like gravitational model,
where diffeomorphism invariance is broken dynamically via a non-standard coupling to a …

Recovering a MOND-like acceleration law in mimetic gravity

S Vagnozzi - Classical and Quantum Gravity, 2017 - iopscience.iop.org
We reconsider the recently proposed mimetic gravity, focusing in particular on whether the
theory is able to reproduce the inferred flat rotation curves of galaxies. We extend the theory …

Charged rotating black holes coupled with nonlinear electrodynamics Maxwell field in the mimetic gravity

GGL Nashed, W El Hanafy… - Journal of Cosmology and …, 2019 - iopscience.iop.org
In mimetic gravity, we derive D-dimension charged black hole solutions having flat or
cylindrical horizons with zero curvature boundary. The asymptotic behaviours of these black …