New Tsallis holographic dark energy with apparent horizon as IR-cutoff in non-flat Universe

被引：0

作者：

Pankaj ^{[1
]}

Ali, Nisha Muttathazhathu ^{[2
,3
]}

Sharma, Umesh Kumar ^{[2
]}

Kumar, P. Suresh ^{[2
,4
]}

Srivastava, Shikha ^{[5
]}

机构：

[1] Pranveer Singh Inst Technol, Dept Math BSH, Kanpur 209305, Uttar Pradesh, India

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

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

[4] Univ Technol & Appl Sci Salalah, IT Dept, Math Sect, Salalah, Oman

[5] Aligarh Muslim Univ, Dept Math, Aligarh 202002, Uttar Pradesh, India

来源：

INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS | 2023年 / 20卷 / 05期

关键词：

NTHDE; apparent horizon; quintessence; non-flat FLRW-Universe; GENERALIZED ENTROPY; MODIFIED GRAVITY; INFLATION; DYNAMICS; MODEL;

D O I：

10.1142/S0219887823500858

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this work, new Tsallis holographic dark energy with apparent horizon as IR-cutoff is constructed in a non-flat Friedmann-Lemaitre-Robertson-Walker Universe. The accelerating expansion phase of the Universe is described by using deceleration parameter, equation of state parameter and density parameter by using different values of new Tsallis holographic dark energy (NTHDE) parameter "delta ". The NTHDE Universe's transition from a decelerated to an accelerated expanding phase is described by the smooth graph of deceleration parameter. Depending on distinct values of Tsallis parameter "delta ", we have explored the quintessence behavior of the equation of state parameter. We used Hubble data sets obtained using Cosmic Chronometric methods and distance modulus measurement of Type Ia Supernova to fit the NTHDE parameters. Stability of our model by analyzing the squared speed of sound is investigated as well.

引用

页数：19

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