Cosmology of non-minimal derivative coupling to gravity in Palatini formalism and its chaotic inflation

N Kaewkhao, B Gumjudpai - Physics of the dark universe, 2018 - Elsevier
We consider, in Palatini formalism, a modified gravity of which the scalar field derivative
couples to Einstein tensor. In this scenario, Ricci scalar, Ricci tensor and Einstein tensor are …

Dynamics of holographic dark energy with apparent-horizon cutoff and non-minimal derivative coupling gravity in non-flat FLRW universe

A Tita, B Gumjudpai, P Srisawad - Physics of the Dark Universe, 2024 - Elsevier
Background cosmological dynamics for a universe with matter, a scalar field non-minimally
derivative coupling to Einstein tensor under power-law potential and holographic vacuum …

Noether Symmetry Approach for Non-minimally Coupled Scalar Field Models

A Talek, N Kaewkhao, W Srikom… - arXiv preprint arXiv …, 2023 - arxiv.org
Noether symmetry analysis permits a powerful approach for the investigation of integrable
models in gravitational theories. In this work, we consider a framework of the non-minimally …

[HTML][HTML] Noether symmetry approach in non-minimal derivative coupling gravity

M Dolohtahe, W Srikom, P Channuie… - The European Physical …, 2022 - Springer
In this work, we examine solutions of the system of equations obtained by applying the
Noether gauge symmetry (NGS) and its conserved quantity for the standard general relativity …

[HTML][HTML] Quasinormal modes of scalar field coupled to Einstein's tensor in the non-commutative geometry inspired black hole

Z Yan, C Wu, W Guo - Nuclear Physics B, 2021 - Elsevier
We investigate the quasinormal modes (QNMs) of the scalar field coupled to the Einstein's
tensor in the non-commutative geometry inspired black hole spacetime. It is found that the …

Palatini NMDC gravity: cosmological scalar field phase portraits in exponential potential

C Muhammad, S Saichaemchan… - Journal of Physics …, 2018 - iopscience.iop.org
We consider cosmological scalar field evolving under exponential potential of the Non-
minimal Derivative Coupling (NMDC) gravity model in Palatini formalism. Slow-roll regime is …

[PDF][PDF] Physics of the Dark Universe

A Mitra, I Gómez-Vargas, V Zarikas - researchgate.net
In this paper, we present an analysis of Supernova Ia (SNIa) distance moduli (𝜇 (𝑧)) and
dark energy using an Artificial Neural Network (ANN) reconstruction based on LSST …

[HTML][HTML] No scalar hair in nonminimal derivative coupling model for Neumann and Dirichlet reflecting star

HM Sadjadi, M Khodaei - Physics Letters B, 2019 - Elsevier
We investigate the existence of scalar hair in the background of a reflecting star. The kinetic
part of the scalar field is nonminimally coupled to the Einstein tensor. For both the Dirichlet …

[PDF][PDF] Physics of the Dark Universe

N Kaewkhao, B Gumjudpai - 2018 - if.nu.ac.th
abstract We consider, in Palatini formalism, a modified gravity of which the scalar field
derivative couples to Einstein tensor. In this scenario, Ricci scalar, Ricci tensor and Einstein …