Anisotropic quark stars in f(R, T) gravity
Abstract The aim of this paper is to analyze the nature of anisotropic spherically symmetric relativistic star models in the framework of f(R, T) gravity. To discuss the features of compact stars, we consider that in the interior of the stellar system, the fluid distribution is influenced by MIT bag...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2018-10-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-018-6363-2 |
| _version_ | 1818821588334673920 |
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| author | M. Sharif Arfa Waseem |
| author_facet | M. Sharif Arfa Waseem |
| author_sort | M. Sharif |
| collection | DOAJ |
| description | Abstract The aim of this paper is to analyze the nature of anisotropic spherically symmetric relativistic star models in the framework of f(R, T) gravity. To discuss the features of compact stars, we consider that in the interior of the stellar system, the fluid distribution is influenced by MIT bag model equation of state. We construct the field equations by employing Krori–Barua solutions and obtain the values of unknown constants with the help of observational data of Her X-1, SAX J 1808.4-3658, RXJ 1856-37 and 4U1820-30 star models. For a viable f(R, T) model, we study the behavior of energy density, transverse as well as radial pressure and anisotropic factor in the interior of these stars for a specific value of the bag constant. We check the physical viability of our proposed model and stability of stellar structure through energy conditions, causality condition and adiabatic index. It is concluded that our model satisfies the stability criteria as well as other physical requirements, and the value of bag constant is in well agreement with the experimental value which highlights the viability of our considered model. |
| first_indexed | 2024-12-18T23:10:34Z |
| format | Article |
| id | doaj.art-9e13bc5e793146d5964bf3bb4d9f4f5f |
| institution | Directory Open Access Journal |
| issn | 1434-6044 1434-6052 |
| language | English |
| last_indexed | 2024-12-18T23:10:34Z |
| publishDate | 2018-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj.art-9e13bc5e793146d5964bf3bb4d9f4f5f2022-12-21T20:48:21ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522018-10-01781011010.1140/epjc/s10052-018-6363-2Anisotropic quark stars in f(R, T) gravityM. Sharif0Arfa Waseem1Department of Mathematics, University of the PunjabDepartment of Mathematics, University of the PunjabAbstract The aim of this paper is to analyze the nature of anisotropic spherically symmetric relativistic star models in the framework of f(R, T) gravity. To discuss the features of compact stars, we consider that in the interior of the stellar system, the fluid distribution is influenced by MIT bag model equation of state. We construct the field equations by employing Krori–Barua solutions and obtain the values of unknown constants with the help of observational data of Her X-1, SAX J 1808.4-3658, RXJ 1856-37 and 4U1820-30 star models. For a viable f(R, T) model, we study the behavior of energy density, transverse as well as radial pressure and anisotropic factor in the interior of these stars for a specific value of the bag constant. We check the physical viability of our proposed model and stability of stellar structure through energy conditions, causality condition and adiabatic index. It is concluded that our model satisfies the stability criteria as well as other physical requirements, and the value of bag constant is in well agreement with the experimental value which highlights the viability of our considered model.http://link.springer.com/article/10.1140/epjc/s10052-018-6363-2 |
| spellingShingle | M. Sharif Arfa Waseem Anisotropic quark stars in f(R, T) gravity European Physical Journal C: Particles and Fields |
| title | Anisotropic quark stars in f(R, T) gravity |
| title_full | Anisotropic quark stars in f(R, T) gravity |
| title_fullStr | Anisotropic quark stars in f(R, T) gravity |
| title_full_unstemmed | Anisotropic quark stars in f(R, T) gravity |
| title_short | Anisotropic quark stars in f(R, T) gravity |
| title_sort | anisotropic quark stars in f r t gravity |
| url | http://link.springer.com/article/10.1140/epjc/s10052-018-6363-2 |
| work_keys_str_mv | AT msharif anisotropicquarkstarsinfrtgravity AT arfawaseem anisotropicquarkstarsinfrtgravity |