f(R,T) 引力理论中具有奇异夸克物质的卡卢扎-克莱因宇宙学模型

IF 1.5 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS
Y. S. Solanke, T. D. Nakade, D. D. Pawar, V. J. Dagwal
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引用次数: 0

摘要

本研究涉及引力 f(R,T)理论中的奇异夸克物质的卡卢扎-克莱因宇宙学模型,其中 R 是利玛窦标量,T 是能动张量的迹。为了确定场方程的解,我们假定标量膨胀θ与剪切标量σ2成正比,从而得出 R=Am,其中 R 和 A 是度量势,m 是常数。借助奇异夸克物质(SQM)的状态方程 p=ρ-4Bc3(其中 Bc 是 Bag 常量)来研究宇宙学参数。我们集中研究了宇宙学中的距离,如回望时间、适当距离、光度距离、角直径距离和距离模量,并利用适当的 H0 数据以图表的形式展示出来。我们还讨论了模型的物理和几何特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Kaluza–Klein cosmological model with strange-quark-matter in f(R,T) theory of gravity

This work deals with the Kaluza–Klein cosmological model with strange-quark-matter in f(R,T) theory of gravity, where R is the Ricci scalar and T is the trace of the energy–momentum tensor. To determine the solution of the field equation, we have assumed that scalar expansion θ is proportional to shear scalar σ2 which leads to R=Am, where R and A are metric potentials and m is constant. The cosmological parameters are investigated with the help of the equation of state strange-quark-matter (SQM) is p=ρ4Bc3, where Bc is Bag constant. We have concentrated on the distances of cosmology such as the look-back time, proper distance, luminosity distance, angular-diameter distance and distance modulus which are presented graphically by using suitable data of H0. The physical and geometrical properties of models are also discussed.

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来源期刊
Modern Physics Letters A
Modern Physics Letters A 物理-物理:核物理
CiteScore
3.10
自引率
7.10%
发文量
186
审稿时长
3 months
期刊介绍: This letters journal, launched in 1986, consists of research papers covering current research developments in Gravitation, Cosmology, Astrophysics, Nuclear Physics, Particles and Fields, Accelerator physics, and Quantum Information. A Brief Review section has also been initiated with the purpose of publishing short reports on the latest experimental findings and urgent new theoretical developments.
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