Plane Symmetric String Cosmological Model with Zero Mass Scalar Field in f (R) Gravity

被引：1
|
作者：
Pawar, Kalpana [1 ]
Dabre, A. K. [1 ]
Makode, Pallavi [2 ]
机构：
[1] Shri R R Lahoti Sci Coll, Dept Math, Amravati, MS, India
[2] SGB Amravati Univ, Dept Math, Amravati, India
来源：
ASTROPHYSICS | 2023年 / 66卷 / 3期
关键词：
cosmic string; scalar field; Bianchi type I metric; f (R) gravity; BIANCHI TYPE-I; F(R) THEORY; UNIVERSE; SUPERNOVAE; INFLATION; SYSTEM; FLUID;
D O I：
10.1007/s10511-023-09796-w
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this article, an anisotropic Locally Rotationally Symmetric (LRS) Bianchi type I metric in the presence of cloud string fluid and zero mass scalar field in reference to f (R) gravity have been investigated. To obtain the deterministic solutions we assumed the weak field limit for a point-like source f (R) = R-3/2 and the very well-known expansion-shear scalar proportionality relation. Furthermore, some physical and kinematical parameters have been calculated to study the astrophysical consequences of obtained model, which shows a good resemblance to the recent observational data.
引用
收藏
页码：353 / 365
页数：13
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