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相关论文: Anisotropic relativistic stellar models

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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 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

We present a class of new relativistic solutions with anisotropic fluid for compact stars in hydrostatic equilibrium. The interior space-time geometry considered here for compact objects are described by parameters namely, $\lambda$, $k$,…

广义相对论与量子宇宙学 · 物理学 2016-03-25 Bikash Chandra Paul , Rumi Deb

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

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

In this article, an exact solution of Einstein's field equations for spherically symmetric anisotropic matter distributions in isotropic coordinates is obtained. For this, the solution has been obtained by using a generalized physically…

广义相对论与量子宇宙学 · 物理学 2025-08-25 B S Ratanpal , Bhavesh Suthar

We present a spherically symmetric solution of the general relativistic field equations in isotropic coordinates for charged fluid with pressure anisotropy, compatible with a super dense star modeling. Further, we have constructed an…

综合物理 · 物理学 2015-02-12 Ksh. Newton Singh , Narendra Pradhan , Manuel Malaver

We introduce a new type of generating theorems in General Relativity for anisotropic, static, spherically symmetric solutions of the Einstein field equations. The results are used to derive a class of solutions that can serve as new models…

广义相对论与量子宇宙学 · 物理学 2026-04-14 Paulo Luz , Sante Carloni

We find new exact solutions to the Einstein-Maxwell field equations which are relevant in the description of highly compact stellar objects. The relativistic star is charged and anisotropic with a quark equation of state. Exact solutions of…

广义相对论与量子宇宙学 · 物理学 2017-01-04 D. Kileba Matondo , S. D. Maharaj

We present a spherically symmetric solution of the general relativistic field equations in isotropic coordinates for anisotropic neutral fluid, compatible with a super dense star modeling by considering a specific choice of anisotropy…

广义相对论与量子宇宙学 · 物理学 2014-10-23 Neeraj Pant , Narendra Pradhan , Manuel Malaver

A simple classification is given of the anisotropic relativistic star models, resembling the one of charged isotropic solutions. On the ground of this database, and taking into account the conditions for physically realistic star models, a…

广义相对论与量子宇宙学 · 物理学 2018-01-24 B. V. Ivanov

By assuming a particular mass function we find new exact solutions to the Einstein field equations with an anisotropic matter distribution. The solutions are shown to be relevant for the description of compact stars. A distinguishing…

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

In this article we obtain a new anisotropic solution for Einstein's field equation of embedding class one metric. The solution is representing the realistic objects such as $Her~X-1$ and $RXJ~1856-37$. We perform detailed investigation of…

综合物理 · 物理学 2016-04-27 S. K. Maurya , Y. K. Gupta , Baiju Dayanandan , Saibal Ray

We provide a new class of interior solutions for anisotropic stars admitting conformal motion. The Einstein's field equations in this construction are solved for specific choices of the density/mass functions. We analyze the behavior of the…

广义相对论与量子宇宙学 · 物理学 2010-11-03 Farook Rahaman , Mubasher Jamil , Ranjan Sharma , Kausik Chakraborty

We demonstrate a technique to generate new class of exact solutions to the Einstein-Maxwell system describing a static spherically symmetric relativistic star with anisotropic matter distribution. An interesting feature of the new class of…

综合物理 · 物理学 2020-11-25 K. Komathiraj , Ranjan Sharma

We have proposed a model for relativistic compact star with anisotropy and analytically obtained exact spherically symmetric solutions describing the interior of the dense star admitting non-static conformal symmetry. Several features of…

广义相对论与量子宇宙学 · 物理学 2016-04-27 Dibyendu Shee , Farook Rahaman , B. K. Guha , Saibal Ray

In this paper, we found new classes of solutions to the Einstein-Maxwell field equations with matter anisotropic distribution incorporating a particular form of electric field intensity within the framework of general relativity. We use a…

广义相对论与量子宇宙学 · 物理学 2023-10-03 Manuel Malaver , Rajan Iyer

In static and spherically symmetric spacetime, we solve the Einstein Maxwell equations. The effective gravitational potential and the electric field for charged anisotropic fluid are defined in terms of two free parameters. For such…

太阳与恒星天体物理 · 物理学 2017-02-20 Safiqul Islam , Satadal Datta , Tapas K Das

We obtain a class of anisotropic spherically symmetric relativistic solutions of compact objects in hydrostatic equilibrium in the $f(R,T) =R+2\chi T$ modified gravity, where $R$ is the Ricci scalar, $T$ is the trace of the energy momentum…

综合物理 · 物理学 2020-09-18 S. Dey , A. Chanda , B. C. Paul

We have presented a new anisotropic solution of Einstein's field equations for compact star models. The Einstein's field equations are solved by using the class one condition \cite{1}. After that we constructed the physically valid…

广义相对论与量子宇宙学 · 物理学 2016-08-01 S. K. Maurya , Smitha T. T. , Y. K. Gupta , Farook Rahaman
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