Barrow holographic dark energy with Hubble horizon as IR cutoff

TL;DR

This paper introduces a non-interacting Barrow holographic dark energy model using the Hubble horizon as IR cutoff, analyzing its cosmological evolution and connection to quintessence fields.

Contribution

It proposes a novel BHDE model with Barrow entropy and Hubble horizon cutoff, and explores its implications for cosmic acceleration and scalar field correspondence.

Findings

The model exhibits satisfactory cosmological behavior.

It describes the Universe's accelerated expansion.

Correspondence with quintessence field is established.

Abstract

In this work, we propose a non-interacting model of Barrow holographic dark energy (BHDE) using Barrow entropy in a spatially flat FLRW Universe considering the IR cutoff as the Hubble horizon. We study the evolutionary history of important cosmological parameters, in particular, EoS $(\omega_{B})$, deceleration parameter and, the BHDE and matter density parameter and also observe satisfactory behaviours in the BHDE the model. In addition, to describe the accelerated expansion of the Universe the correspondence of the BHDE model with the quintessence scalar field has been reconstructed.