Observational constraints on a logarithmic scalar field dark energy model and black hole mass evolution in the Universe

D Wang, M Koussour, A Malik, N Myrzakulov… - The European Physical …, 2023 - Springer
We propose a logarithmic parametrization form of energy density for the scalar field dark
energy in the framework of the standard theory of gravity, which supports the necessary …

Cosmological Yang-Mills model with k-essence

OV Razina, PY Tsyba, R Myrzakulov… - Journal of Physics …, 2019 - iopscience.iop.org
We considered the f (R) model of gravity with the Yang-Mills field and k-essence in four
dimensions, together with the homogeneous, isotropic and flat Friedmann-Robertson …

Barrow Holographic Dark Energy in f (Q, T) gravity

N Myrzakulov, SH Shekh, A Pradhan… - arxiv preprint arxiv …, 2024 - arxiv.org
In the present analysis, we explore a new version of dark energy called Barrow holographic
dark energy within the framework modified gravity called $ f (Q, T) $ gravity by adopting the …

[HTML][HTML] Inflation from the symmetry of the generalized cosmological model

K Yerzhanov, G Bauyrzhan, A Altaibayeva… - Symmetry, 2021 - mdpi.com
It is shown that the inflationary model is the result of the symmetry of the generalized F (R, T,
X, φ)-cosmological model using the Noether symmetry. It leads to a solution, a particular …

Analysis of cosmological tachyon and fermion model and observation data constraints

P Tsyba, O Razina, N Suikimbayeva - International Journal of …, 2021 - World Scientific
In this work, we investigate a cosmological model with the tachyon and fermion fields with
barotropic equation of state, where pressure p, energy density ρ and barotropic index γ are …

Teleparallel gravity with non-minimally coupled f-essence via Noether symmetry approach

K Myrzakulov, D Kenzhalin… - Journal of Physics …, 2021 - iopscience.iop.org
In this paper, we examine teleparallel gravity with non-minimally coupled with non-canonical
fermionic fields (f-essence). Noether symmetry approach can be used to fix the forms of …

Cosmography in the multifield cosmological model

GS Altayeva, ОV Razina… - Bulletin of the Karaganda …, 2022 - physics-vestnik.ksu.kz
This paper analyzes a cosmological model containing the fermion field, scalar field and
vector field with Yukawa interaction. Such a model allows one to research the contribution of …

Scenario of the evolution of the universe with equation of state of the Weierstrass type gas

P Tsyba, O Razina, Z Barkova, S Bekov… - Journal of Physics …, 2019 - iopscience.iop.org
In this article, we examined the Starobinsky gravity model in homogeneous and isotropic
space-time described by the Friedman-Robertson-Walker metric. In the framework of this …

TACHYONIZATION COSMOLOGICAL MODEL IN THE FRAMEWORK OF LINEAR FORM-INVARIANCE TRANSFORMATIONS.

R OV - Eurasian Physical Technical Journal, 2021 - search.ebscohost.com
This work dedicated to the investigation cosmological models based on tachyon field. It was
showed that Einstein's field equations for spatially flat, homogeneous and isotropic …

Cosmological solutions of F (R, T) gravity model with k-essence

K Yerzhanov, B Meirbekov, G Bauyrzhan… - Journal of Physics …, 2019 - iopscience.iop.org
Now exist several alternative cosmological models that describe observable properties of
our universe. In particular, it is such models as F (R) and F (T) gravity. We consider …