引力重力发生与 f(R,G,T) 引力理论框架的兼容性

IF 5 2区 物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS Physics of the Dark Universe Pub Date : 2024-09-03 DOI:10.1016/j.dark.2024.101631
Abdul Jawad , Muhammad Usman , Mohammad Mahtab Alam
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引用次数: 0

摘要

本文的主要目的是在f(R,G,T)引力框架下,利用引力重子生成现象分析宇宙中物质与反物质之间的比例失调。在本文中,我们通过重子物质电流(Jν)和∂ν(R+G+T)之间的耦合以及(Jν)和∂νf(R+G+T)的广义情况来产生这种现象。我们评估了引力重力发生模型和广义引力重力发生模型的重子与熵之比ηBS(重子与熵之比),其中引力重力发生模型考虑了宇宙不同时代的尺度因子,广义引力重力发生模型考虑了幂律形式。我们注意到,在模型参数的最优选择下,(ηBS)的结果与其观测约束是相容的,因此我们说,在模型参数的一定约束下,这种引力是适合引力重力发生的。
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Compatibility of Gravitational Baryogenesis with theoretical framework of f(R,G,T) Gravity

The primary goal of this article is to analyze the disproportion between matter and antimatter in the Universe using the phenomenon of gravitational baryogenesis under the framework of f(R,G,T) gravity, where R, G and T are Ricci Scalar, Gauss–Bonnet invariant and the trace of energy momentum tensor. This phenomenon based on charge parity violation interactions and in this article we generate it through the coupling between the baryon matter current (Jν) and ν(R+G+T) as well as for generalized case with (Jν) and νf(R+G+T). We evaluate the ratio ηBS (baryon to entropy) of the propose model of f(R,G,T) gravity for gravitational baryogenesis and generalized gravitational baryogenesis with power-law form consideration for the scale factor in different eras of the Universe. We notice that the results of (ηBS) are compatible with its observational bound under the optimal choice of model parameters and hence we say that this gravity is good for gravitational baryogenesis under certain constraints of model parameters.

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来源期刊
Physics of the Dark Universe
Physics of the Dark Universe ASTRONOMY & ASTROPHYSICS-
CiteScore
9.60
自引率
7.30%
发文量
118
审稿时长
61 days
期刊介绍: Physics of the Dark Universe is an innovative online-only journal that offers rapid publication of peer-reviewed, original research articles considered of high scientific impact. The journal is focused on the understanding of Dark Matter, Dark Energy, Early Universe, gravitational waves and neutrinos, covering all theoretical, experimental and phenomenological aspects.
期刊最新文献
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