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相关论文: A study on the effect of anisotropy under Finch-Sk…

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In this study, we demonstrate a new anisotropic solution to the Einstein field equations in Finch-Skea spacetime. The physical features of stellar configuration are studied in previous investigations. We create a model that meets all…

广义相对论与量子宇宙学 · 物理学 2023-06-28 Ankita Jangid , B. S. Ratanpal , K Venkataratnam Kamma

We extract new classes of anisotropic solutions in the framework of mimetic gravity, by applying the Tolman-Finch-Skea metric and a specific anisotropy not directly depending on it, and by matching smoothly the interior anisotropic solution…

广义相对论与量子宇宙学 · 物理学 2023-04-19 G. G. L. Nashed , Emmanuel N. Saridakis

Two distinct non-singular interior models that describe anisotropic spherical configurations are presented in this work. We develop the Einstein field equations and the associated mass function in accordance with a static spherical…

广义相对论与量子宇宙学 · 物理学 2025-10-10 M. Sharif , Tayyab Naseer , Hira Shadab

In this paper, the spacetime geometry of Finch and Skea [Class. Quantum Grav., 6 (1989) 467] has been utilized to obtain closed-form solutions for a spherically symmetric anisotropic matter distribution. By examining its physical…

综合物理 · 物理学 2017-11-23 Ranjan Sharma , Shyam Das , S. Thirukkanesh

We present a new class of solutions to the Einstein's field equations corresponding to a static spherically symmetric anisotropic system by generalizing the ansatz of Finch and Skea [Class. Quantum Grav. 6 (1989) 467] for the gravitational…

综合物理 · 物理学 2014-11-24 D. M. Pandya , V. O. Thomas , R. Sharma

In the present article authors investigate the anisotropic stellar solutions admitting Finch-Skea symmetry (viable and non-singular metric potentials) in the presence of some exotic matter fields, such as: Bose-Einstein Condensate (BEC)…

广义相对论与量子宇宙学 · 物理学 2022-11-04 Oleksii Sokoliuk , Alexander Baransky , P. K. Sahoo

In this paper, we develop a new class of models for a compact star with anisotropic stresses inside the matter distribution. By assuming a linear equation of state for the anisotropic matter composition of the star we solve the Einstein…

广义相对论与量子宇宙学 · 物理学 2021-11-16 Shyam Das , Saibal Ray , Maxim Khlopov , K. K. Nandi , Bikram Keshari Parida

In the present article, we discuss relativistic anisotropic solutions of the Einstein field equation for the spherically symmetric line element under the class I condition. To do so we apply the embedding class one technique using Eisland…

综合物理 · 物理学 2019-05-22 K. N. Singh , S. K. Maurya , Farook Rahaman , Francisco Tello-Ortiz

We construct an exact anisotropic star model with a linear barotropic equation of state and with Finch-Skea potential within the framework of pure Lovelock gravity. A comparison with the corresponding Einstein model in a suitable limit is…

广义相对论与量子宇宙学 · 物理学 2022-07-06 Ksh. Newton Singh , Megandhren Govender , Sudan Hansraj , Farook Rahaman

We present a class of exact solutions of Einstein's gravitational field equations describing spherically symmetric and static anisotropic stellar type configurations. The solutions are obtained by assuming a particular form of the…

广义相对论与量子宇宙学 · 物理学 2017-10-04 T. Harko , M. K. Mak

We obtain a class of new anisotropic relativistic solution in Einstein Gauss-Bonnet (EGB) gravity with Finch-Skea metric in hydrostatic equilibrium. The relativistic solutions are employed to construct anisotropic stellar models for strange…

广义相对论与量子宇宙学 · 物理学 2022-01-26 Sagar Dey , Bikash Chandra Paul

A new class of solutions describing analytical solutions for compact stellar structures has been developed within the tenets of General Relativity. Considering the inherent anisotropy in compact stars, a stable and causal model for…

广义相对论与量子宇宙学 · 物理学 2021-10-14 Jay Solanki , Bhashin Thakore

Present paper deals with the composition and modelling of compact dense astrophysical bodies under the framework of $f(R)$ gravity. The model is employed on various observed strange stars viz., SMC X-1, SAX J1808.4-3658, Swift J1818.0-1607,…

广义相对论与量子宇宙学 · 物理学 2020-08-12 B. Thakore , R. Goti , S. Shah , H. Pandya , D. M. Pandya

In this work, we present a class of relativistic and well-behaved solution to Einstein's field equations for anisotropic matter distribution. We perform our analysis by using the Buchdahl ansatz for the metric function grr. Three different…

广义相对论与量子宇宙学 · 物理学 2022-03-29 Amit Kumar Prasad , Jitendra Kumar

A class of solutions of Einstein field equations satisfying Karmarkar embedding condition is presented which could describe static, spherical fluid configurations, and could serve as models for compact stars. The fluid under consideration…

广义相对论与量子宇宙学 · 物理学 2021-03-24 Lipi Baskey , Shyam Das , Farook Rahaman

In this work, an exact solution of Einstein's field equations in isotropic coordinates for anisotropic matter distribution is obtained by considering a particular metric choice of metric potential $g_{rr}$. To check the feasibility of the…

广义相对论与量子宇宙学 · 物理学 2022-06-29 B. S. Ratanpal , Bhavesh Suthar

Einstein field equations for anisotropic spheres are solved and exact interior solutions obtained. This paper extends earlier treatments to include anisotropic models which accommodate a wider variety of physically viable energy densities.…

广义相对论与量子宇宙学 · 物理学 2008-11-26 M. Chaisi , S. D. Maharaj

We present an entirely new class of solutions to Einstein's field equations that correspond to a static spherically symmetric anisotropic system by generalizing the Finch and Skea ansatz using the linear equation of state for the…

广义相对论与量子宇宙学 · 物理学 2023-07-24 Rinkal Patel , B. S. Ratanpal , D. M. Pandya

We present a class of exact solutions of Einstein's gravitational field equations describing spherically symmetric and static anisotropic stellar type configurations. The solutions are obtained by assuming a particular form of the…

广义相对论与量子宇宙学 · 物理学 2009-11-07 M. K. Mak , T. Harko

A family of solutions defining the interior of a static, spherically symmetric, compact anisotropic star is described by considering a new form of the equation of state (EOS). The analytic solution is derived by using the Finch and Skea…

广义相对论与量子宇宙学 · 物理学 2024-02-09 R. Sharma , B. S. Ratanpal , Rinkal Patel
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