Exploration of bulk viscous Bianchi type cosmological model in f(T) theory of gravity

IF 1.9 4区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS New Astronomy Pub Date : 2024-09-05 DOI:10.1016/j.newast.2024.102300
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引用次数: 0

Abstract

In the present paper, the expansion of Locally Rotational Symmetric (LRS) Bianchi type - I cosmological model have been investigated with Bulk Viscous matter in the context of f(T) theory of gravity, where T signifies the torsion scalar. The power model, exponential model and linear functional model of the universe have been discussed for choices of f(T)with utilization of the special form of time dependent varying deceleration parameter. The discussion involves the examination of the dynamical behaviour of these models using some dynamical parameters and its graphical representation.

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f(T)引力理论中的体粘性比安奇型宇宙学模型探索
本文在 f(T) 引力理论(T 表示扭转标量)的背景下,研究了局部旋转对称(LRS)比安奇 I 型宇宙学模型与块状粘性物质的膨胀。利用随时间变化的减速参数的特殊形式,讨论了宇宙的幂模型、指数模型和线性函数模型。讨论中使用了一些动态参数及其图形表示来检验这些模型的动态行为。
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来源期刊
New Astronomy
New Astronomy 地学天文-天文与天体物理
CiteScore
4.00
自引率
10.00%
发文量
109
审稿时长
13.6 weeks
期刊介绍: New Astronomy publishes articles in all fields of astronomy and astrophysics, with a particular focus on computational astronomy: mathematical and astronomy techniques and methodology, simulations, modelling and numerical results and computational techniques in instrumentation. New Astronomy includes full length research articles and review articles. The journal covers solar, stellar, galactic and extragalactic astronomy and astrophysics. It reports on original research in all wavelength bands, ranging from radio to gamma-ray.
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