Rp attractors static neutron star phenomenology
VK Oikonomou - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
In this work, we study the neutron star phenomenology of R p attractor theories in the
Einstein frame. The Einstein frame R p attractor theories have the attractor property that they …
Einstein frame. The Einstein frame R p attractor theories have the attractor property that they …
Inflationary attractors predictions for static neutron stars in the mass-gap region
SD Odintsov, VK Oikonomou - Physical Review D, 2023 - APS
In this work we study static neutron stars in the context of several inflationary models which
are popular in cosmology. These inflationary models are nonminimally coupled scalar …
are popular in cosmology. These inflationary models are nonminimally coupled scalar …
Static neutron stars perspective of quadratic and induced inflationary attractor scalar-tensor theories
VK Oikonomou - Classical and Quantum Gravity, 2023 - iopscience.iop.org
This study focuses on the static neutron star perspective for two types of cosmological
inflationary attractor theories, namely the induced inflationary attractors and the quadratic …
inflationary attractor theories, namely the induced inflationary attractors and the quadratic …
Neutron stars phenomenology with scalar–tensor inflationary attractors
SD Odintsov, VK Oikonomou - Physics of the Dark Universe, 2021 - Elsevier
In this work we shall study the implications of a subclass of E-models cosmological
attractors, namely of a-attractors, on hydrodynamically stable slowly rotating neutron stars …
attractors, namely of a-attractors, on hydrodynamically stable slowly rotating neutron stars …
Universal inflationary attractors implications on static neutron stars
VK Oikonomou - Classical and Quantum Gravity, 2021 - iopscience.iop.org
We study static neutron stars in the context of a class of non-minimally coupled inflationary
potentials, the universal attractors. Universal attractors are known to generate a viable …
potentials, the universal attractors. Universal attractors are known to generate a viable …
Gauss–Bonnet Inflation after Planck2018
We study the primordial perturbations and reheating process in the models where the Gauss–
Bonnet (GB) term is nonminimally coupled to the canonical and noncanonical (DBI and …
Bonnet (GB) term is nonminimally coupled to the canonical and noncanonical (DBI and …
Generalized -attractor cosmology in the Jordan and Einstein frames: New type of attractors and revisiting standard Jordan frame inflation
SD Odintsov, VK Oikonomou - International Journal of Modern …, 2023 - World Scientific
In this work, we study a new class of attractor models which we shall call generalized R p-
attractor models. This class of models is based on a generalization of the Einstein frame …
attractor models. This class of models is based on a generalization of the Einstein frame …
Some aspects of the Tachyon inflation with superpotential in confrontation with Planck2018 data
N Rashidi - The Astrophysical Journal, 2021 - iopscience.iop.org
We study tachyon inflation in the presence of the superpotential as an inflationary potential.
We study the primordial perturbations and their non-Gaussian feature in the equilateral …
We study the primordial perturbations and their non-Gaussian feature in the equilateral …
Mimetic DBI inflation in confrontation with Planck2018 data
We study mimetic gravity in the presence of a Dirac–Born–Infeld (DBI)-like term, which is a
non-canonical setup of the scalar field's derivatives. We consider two general cases with …
non-canonical setup of the scalar field's derivatives. We consider two general cases with …
Inflation in energy-momentum squared gravity in light of Planck2018
We study cosmological dynamics of the energy-momentum squared gravity. By adding the
squared of the matter field's energy-momentum tensor (ζ T 2) to the Einstein–Hilbert action …
squared of the matter field's energy-momentum tensor (ζ T 2) to the Einstein–Hilbert action …