Behavior of Anisotropic Compact Stars in f(R, φ) Gravity

被引：85

作者：

Shamir, M. Farasat ^{[1
]}

Malik, Adnan ^{[1
]}

机构：

[1] Natl Univ Comp & Emerging Sci, Dept Sci & Humanities, Lahore Campus, Lahore, Pakistan

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2019年 / 71卷 / 05期

关键词：

f(R; phi); gravity; spherically symmetric spacetime; compact stars; Klein-Gordon equation; CHARGED FLUID;

D O I：

10.1088/0253-6102/71/5/599

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The aim of this paper is to investigate modified f(R, phi) theory of gravity, where R and phi represent the Ricci scalar and scalar potential respectively. Specifically, we take the spherically symmetric spacetime to discuss the possible emergence of compact stars. We study the physical behavior of compact stars by considering 4U 1820-30, SAX J 1808-3658 and Her X1, which are three popular models of compact stars. The graphical analysis of energy density, radial pressure, tangential pressure, energy conditions as well as stability of compact stars has been shown. It is concluded that behavior of these three stars is usual for f (R, phi) gravity models with some specific choices of model parameters.

引用

页码：599 / 609

页数：11

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