Relativistic model for anisotropic compact stars in embedding class-I spacetime

Abstract In the present article, we introduce a completely new regular model for static, spherically symmetric celestial fluid spheres in embedding class I spacetime. In this regard, needfully, we propose a new suitable metric potential e λ ( r ) to generate the present model. The various analyses on energy density, pressure, anisotropic factor, mass, compactness parameter, redshift, and energy condition make sure the model is physically viable on the ground of model stars Vela X-1, Cen X-3, SMC X-4, and LMC X-4. The reported solutions also respect the equilibrium state by satisfying the Tolman–Oppenheimer–Volkoff (TOV) equation and ensure stability by satisfying the causality condition, condition on the adiabatic index, and Harrison–Zeldovich–Novikov condition. The generated M − R graph matches the ranges of masses and radii for the model compact stars. Additionally, this study provides estimates of the moment of inertia based on the I − M graph.

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Publication Details

Journal
Communications in Theoretical Physics
Published
2024-09-09
DOI
https://doi.org/10.1088/1572-9494/ad7830
Primary Topic
Cosmology and Gravitation Theories
Type
article
Field-Weighted Citation Impact
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article

Relativistic model for anisotropic compact stars in embedding class-I spacetime

Moumita Sarkar, Susmita Sarkar, Nayan Sarkar, Farook Rahaman
Communications in Theoretical Physics
Cosmology and Gravitation Theories
article

Relativistic model for anisotropic compact stars in embedding class-I spacetime

Moumita Sarkar, Susmita Sarkar, Nayan Sarkar, Farook Rahaman
article en

Abstract

Abstract In the present article, we introduce a completely new regular model for static, spherically symmetric celestial fluid spheres in embedding class I spacetime. In this regard, needfully, we propose a new suitable metric potential e λ ( r ) to generate the present model. The various analyses on energy density, pressure, anisotropic factor, mass, compactness parameter, redshift, and energy condition make sure the model is physically viable on the ground of model stars Vela X-1, Cen X-3, SMC X-4, and LMC X-4. The reported solutions also respect the equilibrium state by satisfying the Tolman–Oppenheimer–Volkoff (TOV) equation and ensure stability by satisfying the causality condition, condition on the adiabatic index, and Harrison–Zeldovich–Novikov condition. The generated M − R graph matches the ranges of masses and radii for the model compact stars. Additionally, this study provides estimates of the moment of inertia based on the I − M graph.

Communications in Theoretical PhysicsVol. 77(1)
Jadavpur University (IN), Haldia Institute of Technology (IN), R. G. Kar Medical College and Hospital (IN)
Openalex Percentile: Top 89%
Cosmology and Gravitation Theories
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Relativistic model for anisotropic compact stars in embedding class-I spacetime — Moumita Sarkar, Susmita Sarkar, et al. · Communications in Theoretical Physics (2024) | TGRS Research Map | TGRS