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Related papers: Proto-Strange Quark Star Structure

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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

We investigate the properties of non-rotating, electrically charged strange quark stars in four-dimensional Einstein-Maxwell theory. For quark matter we adopt the well-motivated quantum chromodynamics (QCD) equation-of-state, while for the…

General Relativity and Quantum Cosmology · Physics 2022-05-04 Grigoris Panotopoulos , Takol Tangphati , Ayan Banerjee

We investigated the radial and non-radial fundamental ($f$) mode oscillations of self-bound (quark) stars obtained after employing the Vector MIT (vMIT) bag model. Within this model, we computed the equation of state for strange quark…

High Energy Physics - Phenomenology · Physics 2025-05-14 Luiz L. Lopes , Jose C. Jimenez , Luis B. Castro , Cesar V. Flores

We investigate the existence of possible stable strange matter and related stability windows at finite temperature for different models that are generally applied to describe quark stars, namely, the quark-mass density dependent model, the…

High Energy Astrophysical Phenomena · Physics 2013-10-21 V. Dexheimer , J. R. Torres , D. P. Menezes

We study strange stars in the framework of $f\left(R,\mathcal{T}\right)$ theory of gravity where the strange quark matter distribution inside the stellar system is governed by the phenomenological MIT Bag model equation of state (EOS).…

General Physics · Physics 2018-04-24 Debabrata Deb , Farook Rahaman , Saibal Ray , B. K. Guha

The quasiparticle model is employed to investigate the quark matter at finite chemical potential. The effective bag constant is derived to be dependent on both the chemical potential and the magnetic field. The self-consistent…

High Energy Physics - Phenomenology · Physics 2025-01-14 Xin-Jian Wen , Xiao-Wen Jiang

Within the context of energy-momentum squared gravity (EMSG), where non-linear matter contributions appear in the gravitational action, we derive the modified TOV equations describing the hydrostatic equilibrium of charged compact stars. We…

General Relativity and Quantum Cosmology · Physics 2023-08-21 Juan M. Z. Pretel , Takol Tangphati , Ayan Banerjee

In this work, we study the properties of strange quark matter and reveal the evolution process of strange quark stars employing a self consistent thermodynamic treatment. A comprehensive and reliable thermodynamic basis for the study of the…

High Energy Physics - Phenomenology · Physics 2026-01-19 Huai-Min Chen , Cheng-Jun Xia , Guang-Xiong Peng

In this paper for studying the anisotropic strange quark stars, we assume that the radial pressure inside the anisotropic star is a superposition of pressure in an isotropic case plus a Gaussian perturbation term. Considering a…

Solar and Stellar Astrophysics · Physics 2016-07-26 H. Panahi , R. Monadi , I. Eghdami

Quark matter is expected to exist in the interior of compact stellar objects as neutron stars or even the more exotic strange stars, based on the Bodmer-Witten conjecture. Bare strange quark stars and (normal) strange quark-matter stars,…

This paper investigates the existence and properties of anisotropic strange quark stars in the context of massive Brans-Dicke theory. The field equations are constructed in Jordan frame by assuming a suitable potential function with MIT bag…

General Relativity and Quantum Cosmology · Physics 2020-07-15 M. Sharif , Amal Majid

We explore the maximum mass limit of strange stars in quadratic curvature gravity with the non-minimal matter coupling. The characteristic parameters of the quadratic curvature coupling and the non-minimal matter coupling imply the…

General Relativity and Quantum Cosmology · Physics 2026-04-24 Debadri Bhattacharjee , Pradip Kumar Chattopadhyay , Kazuharu Bamba

We study effects of the strange quark mass and of the QCD coupling constant in the MIT bag model of quark matter with lowest order quark-gluon interactions on the rapid rotation of strange stars. The influence of rotation on global…

Astrophysics · Physics 2007-05-23 D. Gondek-Rosinska , P. Haensel , J. L. Zdunik , E. Gourgoulhon

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

This paper gives an brief overview of the structure of hypothetical strange quarks stars (quark stars, for short), which are made of absolutely stable 3-flavor strange quark matter. Such objects can be either bare or enveloped in thin…

Solar and Stellar Astrophysics · Physics 2015-06-11 Fridolin Weber , Milva Orsaria , Hilario Rodrigues , Shu-Hua Yang

We explore the stellar structure and radial stability of charged quark stars composed of interacting quark matter (IQM) in three classes of commonly used charge models. We adopt a general parametrization of IQM equation of state that…

High Energy Astrophysical Phenomena · Physics 2021-12-28 Chen Zhang , Michael Gammon , Robert B. Mann

In this article we propose a relativistic model of a static spherically symmetric anisotropic strange star with the help of Tolman-Kuchowicz (TK) metric potentials [Tolman, Phys. Rev. {\bf55}, 364 (1939) and Kuchowicz, Acta Phys. Pol.…

General Relativity and Quantum Cosmology · Physics 2019-10-02 Suparna Biswas , Dibyendu Shee , Saibal Ray , F. Rahaman , B. K. Guha

The rotating neutron star properties are studied with a phase transition to quark matter. The density-dependent relativistic mean-field model (DD-RMF) is employed to study the hadron matter, while the Vector-Enhanced Bag model (vBag) model…

Nuclear Theory · Physics 2021-09-09 I. A. Rather , Usuf Rahaman , M. Imran , H. C. Das , A. A. Usmani , S. K. Patra

(Abridged) Neutron stars (NSs), the densest known objects composed of matter, provide a unique laboratory to probe whether strange quark matter is the true ground state of matter. We investigate the parameter space of the equation of state…

High Energy Astrophysical Phenomena · Physics 2025-08-29 João V. Zastrow , Jonas P. Pereira , Rafael C. R. de Lima , Jorge E. Horvath

Using a density dependent quark mass (QMDD) model for strange quark matter, we investigate the effects of non-Newtonian gravity on the properties of strange stars and constrain the parameters of the QMDD model by employing the mass of PSR…

High Energy Astrophysical Phenomena · Physics 2021-03-03 Shu-Hua Yang , Chun-Mei Pi , Xiao-Ping Zheng , Fridolin Weber