Dark energy model with higher derivative of Hubble parameter

Abstract

In this letter we consider a dark energy model in which the energy density is a function of the Hubble parameter $H$ and its derivative with respect to time ${\rho }_{de}=3\alpha \ddot{H}{H}^{-1}+3\beta \dot{H}+3\gamma H^2$. The behavior of the dark energy and the expansion history of the Universe depend heavily on the parameters of the model $\alpha$, $\beta$ and $\gamma$. It is very interesting that the age problem of the well-known three old objects can be alleviated in this models.

11 pages, 6 figures, the correct version accepted for publication in PLB

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• Observational constraints on the interacting Ricci dark energy model
• Holographic Dark Energy Models and Higher Order Generalizations in Dynamical Chern-Simons Modified Gravity
• Cosmological Analysis of Pilgrim Dark Energy in Loop Quantum Cosmology
• Cosmology of a generalised version of holographic dark energy in presence of bulk viscosity and its inflationary dynamics through slow roll parameters
• A more general interacting model of holographic dark energy
• Spatial Ricci scalar dark energy model
• Generalized holographic Ricci dark energy and generalized second law of thermodynamics in Bianchi Type I universe
• Cosmological reconstruction and {\it Om} diagnostic analysis of Einstein-Aether Theory
• A stable flat entropy-corrected FRW universe
• Modified holographic Ricci dark energy coupled to interacting relativistic and non-relativistic dark matter in the nonflat universe
• Dynamics of holographic dark energy with apparent-horizon cutoff and non-minimal derivative coupling gravity in non-flat FLRW universe
• Anisotropic background for two fluids: matter and holographic dark energy
• Cosmology in holographic non-minimal derivative coupling theory: constraints from inflation and variation of gravitational constant
• Observational constraints on models of the Universe with time variable Gravitational and Cosmological constants along MOG
• A bound system in the expanding universe with modified holographic Ricci dark energy and dark matter
• A Cosmological Holographic Reconstruction of f(Q) Theory
• Thermodynamic modifications to Bardeen black holes surrounded by quintessence based on the new higher order GUP