Interacting dark energy in curved FLRW spacetime from Weyl Integrable Spacetime

被引：9

作者：

Chatzidakis, S. ^{[1
]}

Giacomini, A. ^{[2
]}

Leach, P. G. L. ^{[3
]}

Leon, G. ^{[3
,4
]}

Paliathanasis, A. ^{[2
,3
,5
]}

Pan, Supriya ^{[6
]}

机构：

[1] Appl Technol High Sch, POB 66866, Al Ain, U Arab Emirates

[2] Univ Austral Chile, Inst Ciencias Fis & Matemat, Valdivia 5090000, Chile

[3] Durban Univ Technol, Inst Syst Sci, POB 1334, ZA-4000 Durban, South Africa

[4] Univ Catolica Norte, Dept Matemat, Avda Angamos 0610,Casilla 1280, Antofagasta, Chile

[5] Ionian Univ, Dept Environm, Math Phys & Computat Stat Res Lab, Zakinthos 29100, Greece

[6] Presidency Univ, Dept Math, 86-1 Coll St, Kolkata 700073, India

来源：

JOURNAL OF HIGH ENERGY ASTROPHYSICS | 2022年 / 36卷

基金：

新加坡国家研究基金会;

关键词：

Cosmology; Weyl integrable space; Scalar field; Dynamical analysis; COSMOLOGICAL PARAMETER CONSTRAINTS; MODIFIED GRAVITY;

D O I：

10.1016/j.jheap.2022.10.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the present article, we show that a simple modification to the Einstein-Hilbert action can explain the possibility of mutual interaction between the cosmic fluids. That is achieved considering the Weyl Integrable Spacetime in the background of a nonflat Friedmann-Lemaitre-Robertson-Walker geometry for the universe. We perform the dynamical system analysis of the underlying cosmological scenario and explore many possibilities extracted from this gravitational theory. Finally, we investigate if the specific model solves the flatness problem.(c) 2022 Elsevier B.V. All rights reserved.

引用

页码：141 / 151

页数：11

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