Corrected holographic dark energy with power-law entropy and Hubble Horizon cut-off in FRW Universe

TL;DR

This paper explores a modified holographic dark energy model with power-law entropy correction using Hubble horizon cutoff, constrained by observational data, and finds it consistent with current cosmological observations.

Contribution

It introduces a new power-law entropy corrected holographic dark energy model with Hubble cutoff and constrains it using recent observational data.

Findings

The universe transitions from deceleration to acceleration at z_t=0.71165.

The model aligns well with observational Hubble data and JLA datasets.

Cosmological parameters derived are consistent with current observations.

Abstract

In the present work, we investigate the power-law entropy corrected holographic dark energy (PLECHDE) model with Hubble horizon cutoff. We use 46 observational Hubble data points in the redshift range $0 \leq z \leq 2.36$ to determine the present Hubble constant $H_0$ and the model parameter $n$. It represents a phase transition of the universe from deceleration to acceleration and has the transition point at $z_t = 0.71165$. We investigate the observational constraints on the model and calculate some relevant cosmological parameters. We examine the model's validity by drawing state-finder parameters that yield the result compatible with the modern observational data. The model's physical and geometrical characteristics are also explored, and they are shown to match well with current observations of observational Hubble data (OHD) and the latest joint light curves(JLA) datasets.