Quintessence Behavior of New Tsallis Holographic Dark Energy in FRW Universe

被引：6

作者：

Ali, Nisha Muttathazhathu ^{[1
]}

Pankaj ^{[1
]}

Sharma, Umesh Kumar ^{[2
]}

机构：

[1] Univ Technol & Appl Sci HCT, IT Dept, Math Sect, Muscat 33, Oman

[2] GLA Univ, Inst Appl Sci & Humanities, Dept Math, Mathura 281406, Uttar Pradesh, India

来源：

GRAVITATION & COSMOLOGY | 2022年 / 28卷 / 03期

关键词：

GENERALIZED ENTROPY; MODIFIED GRAVITY; MODELS; CONSEQUENCES; COSMOGRAPHY; INSTABILITY; STATEFINDER; BOUNDS; OMEGA;

D O I：

10.1134/S0202289322030021

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Considering a flat FRW universe filled with a pressureless component, we investigate the recently proposed New Tsallis holographic dark energy (NTHDE) model with a time-varying deceleration parameter for distinct model parameter delta values. The NTHDE reveals the accelerated expansion phase of the universe described by a quintessence-like behavior. We have found that the behavior of the equation-of-state (EoS) parameter gives a satisfactory result which leads to the accelerating universe depending on different values of the parameter delta. For discriminating the NTHDE model, we have plotted the dark energy and matter density parameter. To illustrate the accelerated expansion at present, we have also reconstructed the scalar field potential.

引用

页码：308 / 317

页数：10

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