# Cosmological model-independent test of $$\varLambda$$ΛCDM with two-point diagnostic by the observational Hubble parameter data

@article{Cao2017CosmologicalMT,
title={Cosmological model-independent test of \$\$\varLambda \$\$$\LambdaCDM with two-point diagnostic by the observational Hubble parameter data}, author={Shulei Cao and Xiao-Wei Duan and Xiao-Lei Meng and Tong-Jie Zhang}, journal={The European Physical Journal C}, year={2017}, volume={78}, pages={1-16} } • Published 4 December 2017 • Physics • The European Physical Journal C Aiming at exploring the nature of dark energy (DE), we use forty-three observational Hubble parameter data (OHD) in the redshift range$$0 < z \leqslant 2.36$$0<z⩽2.36 to make a cosmological model-independent test of the$$\varLambda $$ΛCDM model with two-point$$Omh^2(z_{2};z_{1})$$Omh2(z2;z1) diagnostic. In$$\varLambda $$ΛCDM model, with equation of state (EoS)$$w=-1$$w=-1, two-point diagnostic relation$$Omh^2 \equiv \varOmega _{\mathrm{m}}h^2$$Omh2≡Ωmh2 is tenable, where$$\varOmega _… • Physics • 2020 In 2012, Bilicki and Seikel (Mon Not R Astron Soc 425:1664, 2012) showed that H(z) data reconstructed using Gaussian Process Regression from cosmic chronometers and baryon acoustic oscillations, • Physics The European Physical Journal C • 2020 In this work, we will be testing four different general f(R)-gravity models, two of which are the more realistic models (namely the Starobinsky and the Hu–Sawicki models), to determine if they are • Physics • 2020 We have considered a spatially flat, homogeneous and isotropic FLRW Universe filled with a single fluid, known as logotropic dark fluid (LDF), whose pressure evolves through a logarithmic equation of • Physics Astrophysics and Space Science • 2019 In this paper, Ricci dark energy (RDE) model with bulk viscosity is studied to observe the cosmic accelerating expansion phenomena. It is thought that the negative pressure caused by bulk viscosity • Physics • 2020 It is investigated the cosmological dynamics of scalar-torsion $$f(T,\phi )$$ f ( T , ϕ ) gravity as a dark energy model, where T is the torsion scalar of teleparallel gravity and $$\phi$$ ϕ is a • Physics Astrophysics and Space Science • 2019 We constrain tilted spatially-flat and untilted nonflat XCDM dynamical dark energy inflation parameterizations using Planck 2015 cosmic microwave background (CMB) anisotropy data and recent baryonic • Physics • 2020 We study the matter creation cosmology as an alternative theory to explain the dark energy phenomena. We discuss the matter-dominated Universe in a flat Friedmann-Robertson-Walker line element by • Materials Science Astrophysics and Space Science • 2019 We explore a matter-dominated model with bulk viscosity in Brans-Dicke theory to interpret the observed cosmic accelerating expansion phenomena. We obtain the exact solution of the field equations by • Physics The Astrophysical Journal • 2019 We use the physically consistent tilted spatially flat and untilted non-flat ΛCDM inflation models to constrain cosmological parameter values with the Planck 2015 cosmic microwave background (CMB) ## References SHOWING 1-10 OF 63 REFERENCES • Physics • 2016 We measure a value for the cosmic expansion of$H(z) = 89 \pm 23$(stat)$\pm$44(syst) km s$^{-1}$Mpc$^{-1}$at a redshift of$z \simeq 0.47\$ based on the differential age technique. This technique,
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