Articles with "karmarkar condition" as a keyword



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Relativistic Stellar Model in f(R,T) Gravity Using Karmarkar Condition

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Published in 2021 at "New Astronomy"

DOI: 10.1016/j.newast.2021.101610

Abstract: Abstract In the present manuscript, we have constructed an anisotropic solution for spherically symmetric space-time that satisfies Karmarkar’s condition in the context of f ( R , T ) theory of gravity where R and… read more here.

Keywords: gravity; karmarkar condition; solution; stellar model ... See more keywords
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Collapsing stellar structures in f(R) gravity using Karmarkar condition

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Published in 2022 at "New Astronomy"

DOI: 10.1016/j.newast.2021.101691

Abstract: Abstract Our study illuminates the effects of gravitational collapse by considering heat flux anisotropic matter sources within the framework of the f ( R ) theory of gravity. We assume the non-static spherically symmetric configuration… read more here.

Keywords: stellar structures; karmarkar condition; collapsing stellar; structures gravity ... See more keywords

Realistic and dark stellar models via embedding approach in the Rastall gravity

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Published in 2021 at "Physica Scripta"

DOI: 10.1088/1402-4896/abe0f0

Abstract: This study explores the Rastall theory of modified gravity for three different compact stars based on observational facts, by assuming the Karmarkar condition with an anisotropic fluid profile. We adopt an explicit grr metric potential… read more here.

Keywords: rastall gravity; karmarkar condition; rastall; gravity ... See more keywords
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Quintessence compact stars satisfying Karmarkar condition

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Published in 2019 at "Canadian Journal of Physics"

DOI: 10.1139/cjp-2018-0132

Abstract: In this research article, the authors have presented the modelling of quintessence compact stars, which satisfies the Karmarkar conditions. For this purpose, we have formulated the set of Einstein field equations with the static metric,… read more here.

Keywords: karmarkar condition; quintessence; stars satisfying; compact stars ... See more keywords
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Anisotropic fluid spheres satisfying the Karmarkar condition

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Published in 2019 at "Modern Physics Letters A"

DOI: 10.1142/s021773231950113x

Abstract: In this paper, we present new physically viable interior solutions of the Einstein field equations for static and spherically symmetric anisotropic compact stars satisfying the Karmarkar condition. For presenting the exact solutions, we provide a… read more here.

Keywords: anisotropic fluid; karmarkar condition; spheres satisfying; condition ... See more keywords

Study of a Minimally Deformed Anisotropic Solution for Compact Objects with Massive Scalar Field in Brans–Dicke Gravity Admitting the Karmarkar Condition

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Published in 2023 at "Universe"

DOI: 10.3390/universe9050208

Abstract: In the present paper, we focused on exploring the possibility of providing a new class of exact solutions for viable anisotropic stellar systems by means of the massive Brans–Dicke (BD) theory of gravity. In this… read more here.

Keywords: gravity; brans dicke; field; study ... See more keywords