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Related papers: A relativistic model for Strange Quark Star

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In this paper, we have studied the new exact model of anisotropic star in $f(T)$ theory of gravity. The dynamical equations in $f(T)$ theory with the anisotropic fluid have been solved by using Krori-Barua solution. We have determined that…

General Relativity and Quantum Cosmology · Physics 2018-12-27 D. Momeni , G. Abbas , S. Qaisar , Zaid Zaz , R. Myrzakulov

Employing the Quark Mass Denisity- and temperature- dependent model and the Hartle's method, We have studied the slowly rotating strange star with uniform angular velocity. The mass-radius relation, the moment of inertia and the frame…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Jianyong Shen , Yun Zhang , Bin Wang , Ru-Keng Su

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…

General Relativity and Quantum Cosmology · Physics 2016-04-27 Dibyendu Shee , Farook Rahaman , B. K. Guha , Saibal Ray

Quark stars are terrestrial laboratories to study fundamental physics at ultrahigh densities and temperatures. In this work, we investigate the internal structure and the physical properties of quark stars (QSs) in the Rastall gravity.…

General Relativity and Quantum Cosmology · Physics 2023-04-26 Takol Tangphati , Ayan Banerjee , Sudan Hansraj , Anirudh Pradhan

We obtain an exact analytical solution to Einstein's field equations assuming a non-linear equation-of-state and a particular mass function. Our solution describes the interior of anisotropic color flavor locked strange quark stars. All…

General Relativity and Quantum Cosmology · Physics 2019-07-09 Ilídio Lopes , Grigoris Panotopoulos , Ángel Rincón

We investigate the properties of mixed stars formed by hadronic and quark matter in $\beta$-equilibrium described by appropriate equations of state (EOS) in the framework of relativistic mean-field theory. We use the non- linear Walecka…

Nuclear Theory · Physics 2009-11-10 D. P. Menezes , C. Providencia

In the present paper we are willing to model anisotropic star by choosing a new grr metric potential. All the physical parameters like the matter density, radial and transverse pressure and are regular inside the anisotropic star, with the…

General Relativity and Quantum Cosmology · Physics 2016-10-31 Ksh. Newton Singh , Piyali Bhar , Neeraj Pant

In this paper, we have formulated the new exact model of quintessence anisotropic star in $f(R)$ theory of gravity. The dynamical equations in $f(R)$ theory with the anisotropic fluid and quintessence field have been solved by using…

General Physics · Physics 2015-09-30 G. Abbas , M. Zubair , G. Mustafa

This paper is devoted to study the analytic models of anisotropic compact stars in $f(T)$ gravity (where $T$ is torsion scalar), with non-diagonal tetrad. By taking the anisotropic source inside the spherically symmetric star, the equations…

General Physics · Physics 2016-01-20 M. Zubair , G. Abbas

The Chandrasekhar limit for strange stars described by a linear equation of state (describing quark matter with density-dependent quark masses) is evaluated. The maximum mass and radius of the star depend on the fundamental constants and on…

Astrophysics · Physics 2009-11-07 T. Harko , K. S. Cheng

This work analyses the hydrostatic equilibrium configurations of strange stars in a non-minimal geometry-matter coupling (GMC) theory of gravity. Those stars are made of strange quark matter, whose distribution is governed by the MIT…

General Relativity and Quantum Cosmology · Physics 2022-12-21 G. A. Carvalho , R. Lobato , P. H. R. S. Moraes , D. Deb , M. Malheiro

We compute numerical models of uniformly rotating strange stars (SS) in general relativity for the recently proposed QCD-based equation of state (EOS) of strange quark matter (Dey et al. 1998). Static models based on this EOS are…

Astrophysics · Physics 2011-05-12 D. Gondek-Rosinska , T. Bulik , J. L. Zdunik , E. Gourgoulhon , S. Ray , J. Dey , M. Dey

The properties of dark matter admixed strange quark stars are investigated in the Starobinsky model of modified gravity. For quark matter we assume the MIT bag model, while self-interacting dark matter inside the star is modelled as a…

General Relativity and Quantum Cosmology · Physics 2018-02-14 Ilidio Lopes , Grigoris Panotopoulos

Strange quark matter (SQM) is considered a possible true ground state of QCD at high densities. This idea motivates research on exotic compact objects and certain cosmic-ray phenomena. For instance, the remnant HESS J1731-347 contains a…

High Energy Physics - Phenomenology · Physics 2025-11-26 C. R. Das

We investigate the rotational properties of self-bound strange quark stars using two representative quark matter equations of state (EOS): the vector MIT bag model and the density-dependent quark mass (DDQM) model. Through…

High Energy Astrophysical Phenomena · Physics 2026-05-08 Adamu Issifu , Andreas Konstantinou , Franciele M. da Silva , Tobias Frederico

We construct a gravitationally decoupled anisotropic strange star model using the minimal geometric deformation approach with a MIT bag equation of state and an additional source sector controlled by a deformation parameter $\beta$ and a…

General Relativity and Quantum Cosmology · Physics 2026-04-17 K. N. Singh , S. K. Maurya , A. Errehymy , A. Altaibayeva , J. Rayimbaev , M. Matyoqubov

As the chiral symmetry is widely recognized as an important driver of the strong interaction dynamics, current strange stars models based on MIT bag models do not obey such symmetry. We investigate properties of bare strange stars using the…

Astrophysics · Physics 2008-11-26 C. Y. Ng , K. S. Cheng , M. C. Chu

In this article, we demonstrated a stellar model for compact star in presence of strange matter embedded in $D\ge4$ dimensional space-time defind by Finch-Skea metric. To study the relevant physical properties of the interior matter, we…

General Relativity and Quantum Cosmology · Physics 2023-02-28 B. Das , K. B. Goswami , A. Saha , P. K. Chattopadhyay

In this work we use the equation of state (EOS) of (2+1)-flavor Nambu-Jona-Lasinio (NJL) model to study the structure of the strange quark star. With a new free parameter $\alpha$, the Lagrangian is constructed by two parts, the original…

High Energy Physics - Phenomenology · Physics 2020-03-25 Cheng-Ming Li , Shu-Yu Zuo , Yan Yan , Ya-Peng Zhao , Fei Wang , Yong-Feng Huang , Hong-Shi Zong

This paper discusses the interior distribution of several anisotropic star models coupled with an electromagnetic field in the context of $f(\mathcal{R},\mathcal{T},\mathcal{Q})$ gravity, where…

General Relativity and Quantum Cosmology · Physics 2023-09-15 M. Sharif , Tayyab Naseer
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