Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity
This article presents a new model for anisotropic compact stars that are confined to physical dark matter in the background of f(T) teleparallel gravity. The model is based on the equation of state (EoS) of the bag model type and the Bose-Einstein dark matter density profile. The derived solutions m...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-03-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S055032132500029X |
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| author | Samprity Das Prabir Rudra Surajit Chattopadhyay |
| author_facet | Samprity Das Prabir Rudra Surajit Chattopadhyay |
| author_sort | Samprity Das |
| collection | DOAJ |
| description | This article presents a new model for anisotropic compact stars that are confined to physical dark matter in the background of f(T) teleparallel gravity. The model is based on the equation of state (EoS) of the bag model type and the Bose-Einstein dark matter density profile. The derived solutions meet the energy conditions, the causality conditions, and the required conditions on the stability factor and adiabatic index, indicating that they are physically well-behaved and represent the physical and stable matter configuration. We also determine the maximum mass, surface redshift, and compactness parameter at the surface. Interestingly, all of these numbers fall within the specified range, supporting the physical viability of our proposal. Additionally, the various masses that are derived for varying the model parameter k correspond to five compact, realistic compact objects, including LMC X-4, Her X-1, 4U 1538-52, SAX J1808.4-3658, and Cen X-3. We have also illustrated the radially symmetric profiles of energy density and the moment of inertia for non-rotating stars. |
| format | Article |
| id | doaj-art-027db02fb5414483896f704ebae93df0 |
| institution | Kabale University |
| issn | 0550-3213 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Nuclear Physics B |
| spelling | doaj-art-027db02fb5414483896f704ebae93df02025-02-12T05:30:29ZengElsevierNuclear Physics B0550-32132025-03-011012116819Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravitySamprity Das0Prabir Rudra1Surajit Chattopadhyay2Department of Mathematics, Amity University, Kolkata, Major Arterial Road, Action Area II, New Town, Rajarhat, Kolkata 700135, India; Department of Mathematics, Shibpur Dinobundhoo Institution (College), Howrah 711102, West Bengal, IndiaDepartment of Mathematics, Asutosh College, Kolkata 700 026, India; Corresponding author.Department of Mathematics, Amity University, Kolkata, Major Arterial Road, Action Area II, New Town, Rajarhat, Kolkata 700135, IndiaThis article presents a new model for anisotropic compact stars that are confined to physical dark matter in the background of f(T) teleparallel gravity. The model is based on the equation of state (EoS) of the bag model type and the Bose-Einstein dark matter density profile. The derived solutions meet the energy conditions, the causality conditions, and the required conditions on the stability factor and adiabatic index, indicating that they are physically well-behaved and represent the physical and stable matter configuration. We also determine the maximum mass, surface redshift, and compactness parameter at the surface. Interestingly, all of these numbers fall within the specified range, supporting the physical viability of our proposal. Additionally, the various masses that are derived for varying the model parameter k correspond to five compact, realistic compact objects, including LMC X-4, Her X-1, 4U 1538-52, SAX J1808.4-3658, and Cen X-3. We have also illustrated the radially symmetric profiles of energy density and the moment of inertia for non-rotating stars.http://www.sciencedirect.com/science/article/pii/S055032132500029X |
| spellingShingle | Samprity Das Prabir Rudra Surajit Chattopadhyay Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity Nuclear Physics B |
| title | Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity |
| title_full | Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity |
| title_fullStr | Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity |
| title_full_unstemmed | Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity |
| title_short | Relativistic model of an anisotropic star with Bose-Einstein dark matter density profile in f(T) gravity |
| title_sort | relativistic model of an anisotropic star with bose einstein dark matter density profile in f t gravity |
| url | http://www.sciencedirect.com/science/article/pii/S055032132500029X |
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