Interacting Barrow holographic dark energy in non-flat universe

被引：0

作者：

Adhikary, Priyanka ^{[1
]}

Das, Sudipta ^{[1
]}

机构：

[1] Visva Bharati, Dept Phys, Santini Ketan 731235, India

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2025年 / 04期

基金：

新加坡国家研究基金会;

关键词：

dark energy theory; cosmology of theories beyond the SM; Statistical sampling techniques; LUMINOUS RED GALAXIES; EQUATION-OF-STATE; ACCELERATING UNIVERSE; MODEL; PHANTOM; TRANSITION;

D O I：

10.1088/1475-7516/2025/04/027

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Barrow holographic dark energy model is an extension of holographic dark energy that incorporates modifications to entropy due to quantum gravitational effects. In this work we study the cosmological properties of interacting Barrow holographic dark energy model in the case of non-zero curvature universe. We construct the differential equations governing the evolution of the Barrow holographic dark energy density parameter and the dark matter density parameter in coupled form for both closed and open spatial geometry. Considering three different forms of coupling, we obtain the corresponding analytical expressions for the equation of state parameter for the dark energy component. We confront the scenario using recent observational datasets like cosmic chronometer and Pantheon data. It has been found that the strength of interaction as well as the curvature contribution come out to be nonzero which indicates that a non-flat interacting scenario is preferred by observational data.

引用

页数：37

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