278 citations
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27 papers · 1 filter
Constraints on the interacting holographic dark energy models: implications from background and perturbations data
N. Nazari Pooya
In this study, we employ a two-step method to analyze models of holographic dark energy (HDE) and interacting holographic dark energy (IHDE), incorporating three distinct dark ener…
increases with effective redshift in CDM cosmology
Shahnawaz A. Adil, Özgür Akarsu, Mohammad Malekjani +4
Hubble constant and weighted amplitude of matter fluctuations determinations are biased to higher and lower values, respectively, in the late Universe with respect to e…
Can high-redshift Hubble diagrams rule out the standard model of cosmology in the context of cosmographic method?
S. Pourojaghi, N. F. Zabihi, M. Malekjani
Using mock data for the Hubble diagrams of type Ia supernovae (SNIa) and quasars (QSOs) generated based on the standard model of cosmology, and using the least-squares method based…
f(T) cosmology against the cosmographic method: A new study using mock and observational data
M. Sabiee, M. Malekjani, D. Mohammad Zadeh Jassur
In this paper, we study the power-law model using Hubble diagrams of type Ia supernovae (SNIa), quasars (QSOs), Gamma Ray Bursts (GRBs) and the measurements from baryonic ac…
Model-independent estimation of the cosmography parameters using cosmic chronometers
Faeze Jalilvand, Ahmad Mehrabi
Measurement of the universe expansion rate through the cosmic chronometers proves to be a novel approach to understanding cosmic history. Although it provides a direct determinatio…
Gaussian discriminators between CDM and wCDM cosmologies using expansion data
Ahmad Mehrabi, Jackson Levi Said
The Gaussian linear model provides a unique way to obtain the posterior probability distribution as well as the Bayesian evidence analytically. Considering the expansion rate data,…