Dynamical study on how f(T,) gravity theory and anisotropic fluid reshape compact stellar structures.
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| Title: | Dynamical study on how f(T,) gravity theory and anisotropic fluid reshape compact stellar structures. |
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| Authors: | Naseer, Tayyab1,2 (AUTHOR) tayyab.naseer@math.uol.edu.pk, Sharif, M.1 (AUTHOR) msharif.math@pu.edu.pk, Waqas, M.1 (AUTHOR) mw973021@gmail.com, Albalawi, Wedad3 (AUTHOR) wsalbalawi@pnu.edu.sa, Nisar, Kottakkaran Sooppy4,5 (AUTHOR) n.sooppy@psau.edu.sa, Magzoub, Omer A.6 (AUTHOR) oammali@ub.edu.sa |
| Source: | Modern Physics Letters A. 4/30/2026, Vol. 41 Issue 12/13, p1-31. 31p. |
| Subjects: | Stellar structure, Anisotropy, Schwarzschild metric, Einstein field equations, Astrophysics, Compact objects (Astronomy) |
| Abstract: | This work develops two novel singularity-free solutions in the framework of f (T ,) gravity which describe anisotropic spherically symmetric matter configurations. By incorporating the effects of anisotropic fluid within a static interior metric, we derive the modified Einstein field equations under a particular gravity model. Two special restrictions that make system easy to solve are then applied to the field equations, leading to a couple of distinct solutions. The study involves solving differential equations and the resulting expressions contain integration constants which are identified by enforcing boundary conditions between the interior metric and the exterior Schwarzschild spacetime. Another crucial restriction is the vanishing radial pressure requirement at the surface of a star. Afterward, we analyze the necessary conditions that must be fulfilled for theoretical models to manifest as physically viable systems. We employ observational data from three known compact stars Cen X-3, SMC X-4, and LMC X-4 to graphically evaluate our theoretical solutions. Our investigation confirms that both stellar solutions satisfy the physical existence criteria for specific model parametric choices. [ABSTRACT FROM AUTHOR] |
| Copyright of Modern Physics Letters A is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 192692780 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Dynamical study on how f(T,) gravity theory and anisotropic fluid reshape compact stellar structures. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Naseer%2C+Tayyab%22">Naseer, Tayyab</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> tayyab.naseer@math.uol.edu.pk</i><br /><searchLink fieldCode="AR" term="%22Sharif%2C+M%2E%22">Sharif, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> msharif.math@pu.edu.pk</i><br /><searchLink fieldCode="AR" term="%22Waqas%2C+M%2E%22">Waqas, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mw973021@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Albalawi%2C+Wedad%22">Albalawi, Wedad</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> wsalbalawi@pnu.edu.sa</i><br /><searchLink fieldCode="AR" term="%22Nisar%2C+Kottakkaran+Sooppy%22">Nisar, Kottakkaran Sooppy</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<i> n.sooppy@psau.edu.sa</i><br /><searchLink fieldCode="AR" term="%22Magzoub%2C+Omer+A%2E%22">Magzoub, Omer A.</searchLink><relatesTo>6</relatesTo> (AUTHOR)<i> oammali@ub.edu.sa</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Modern+Physics+Letters+A%22">Modern Physics Letters A</searchLink>. 4/30/2026, Vol. 41 Issue 12/13, p1-31. 31p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Stellar+structure%22">Stellar structure</searchLink><br /><searchLink fieldCode="DE" term="%22Anisotropy%22">Anisotropy</searchLink><br /><searchLink fieldCode="DE" term="%22Schwarzschild+metric%22">Schwarzschild metric</searchLink><br /><searchLink fieldCode="DE" term="%22Einstein+field+equations%22">Einstein field equations</searchLink><br /><searchLink fieldCode="DE" term="%22Astrophysics%22">Astrophysics</searchLink><br /><searchLink fieldCode="DE" term="%22Compact+objects+%28Astronomy%29%22">Compact objects (Astronomy)</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This work develops two novel singularity-free solutions in the framework of f (T ,) gravity which describe anisotropic spherically symmetric matter configurations. By incorporating the effects of anisotropic fluid within a static interior metric, we derive the modified Einstein field equations under a particular gravity model. Two special restrictions that make system easy to solve are then applied to the field equations, leading to a couple of distinct solutions. The study involves solving differential equations and the resulting expressions contain integration constants which are identified by enforcing boundary conditions between the interior metric and the exterior Schwarzschild spacetime. Another crucial restriction is the vanishing radial pressure requirement at the surface of a star. Afterward, we analyze the necessary conditions that must be fulfilled for theoretical models to manifest as physically viable systems. We employ observational data from three known compact stars Cen X-3, SMC X-4, and LMC X-4 to graphically evaluate our theoretical solutions. Our investigation confirms that both stellar solutions satisfy the physical existence criteria for specific model parametric choices. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Modern Physics Letters A is the property of World Scientific Publishing Company and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1142/S0217732326500586 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 31 StartPage: 1 Subjects: – SubjectFull: Stellar structure Type: general – SubjectFull: Anisotropy Type: general – SubjectFull: Schwarzschild metric Type: general – SubjectFull: Einstein field equations Type: general – SubjectFull: Astrophysics Type: general – SubjectFull: Compact objects (Astronomy) Type: general Titles: – TitleFull: Dynamical study on how f(T,) gravity theory and anisotropic fluid reshape compact stellar structures. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Naseer, Tayyab – PersonEntity: Name: NameFull: Sharif, M. – PersonEntity: Name: NameFull: Waqas, M. – PersonEntity: Name: NameFull: Albalawi, Wedad – PersonEntity: Name: NameFull: Nisar, Kottakkaran Sooppy – PersonEntity: Name: NameFull: Magzoub, Omer A. IsPartOfRelationships: – BibEntity: Dates: – D: 30 M: 04 Text: 4/30/2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 02177323 Numbering: – Type: volume Value: 41 – Type: issue Value: 12/13 Titles: – TitleFull: Modern Physics Letters A Type: main |
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