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Related papers: Proto-Strange Quark Star Structure

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This paper deals with existence of strange stars in $f\left(T\right) $ modified gravity. For this purpose, we have taken the diagonal tetrad field of static spacetime with charged anisotropic fluid and MIT bag model, which provide the…

General Physics · Physics 2016-06-28 G. Abbas , Shahid Qaisar , Abdul Jawad

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

Strange quark matter in beta equilibrium at high densities is studied in a quark confinement model. Two equations of state are dynamically generated for the {\it same} set of model parameters used to describe the nucleon: one corresponds to…

Astrophysics · Physics 2008-11-26 M. Malheiro , M. Fiolhais , A. R. Taurines

We provide the modified TOV equations for the hydrostatic equilibrium of charged compact stars within the metric $f(R)$ gravitational background. We adopt the MIT bag model EoS for the dense matter and assume a charge distribution where the…

General Relativity and Quantum Cosmology · Physics 2022-09-23 Juan M. Z. Pretel , José D. V. Arbañil , Sergio B. Duarte , Sergio E. Jorás , Ribamar R. R. Reis

This study deals with the formation and evolution of a strange star in the Krori Barua Rainbow spacetime from collapsing charged stringy quark matter. The dynamical variables are explored from the field equations, taking into account the…

General Relativity and Quantum Cosmology · Physics 2024-01-26 Wasib Ali , Umber Sheikh

We employ the MIT bag model with density-dependent bag constant for the equation of state (EOS) to estimate the gravitational mass and Keplerian frequency of rapidly rotating strange quark stars (SQS). In a companion paper we discuss the…

High Energy Astrophysical Phenomena · Physics 2026-01-15 Fatemeh Kayanikhoo , Mateusz Kapusta , Miljenko Čemeljić , Wlodek Kluzniak , Leszek Zdunik

We study the influence of higher curvature effects on stellar structure and conclude that the properties of stars are greatly impacted when such terms are dynamic. In particular the surface gravitational redshift which is connected to the…

General Relativity and Quantum Cosmology · Physics 2021-08-17 Sudan Hansraj , Megandhren Govender , Lushen Moodly , Ksh. Newton Singh

A deep exploration of the parameter space that relates the interacting equation of state with the bag constant B, and the interaction parameter a, is fundamental for the construction of diverse models of quark stars. In particular, the…

General Relativity and Quantum Cosmology · Physics 2019-11-26 E. A. Becerra-Vergara , Sindy Mojica , F. D. Lora-Clavijo , Alejandro Cruz-Osorio

This paper deals with the existence of a compact stellar object, precisely strange (quark) star, in the framework of Einstein's General Theory of Relativity with Tolman $V$ metric potential, which is one of the simplest forms of potential…

General Relativity and Quantum Cosmology · Physics 2020-04-23 Saibal Ray , Dibyendu Shee , Debabrata Deb , S. K. Maurya , M. K. Jasim

Recycling strange stars to millisecond periods is studied within the framework of general relativity. We employ equations of state of strange quark matter based on the MIT Bag Model, with massive strange quarks and lowest order QCD…

Astrophysics · Physics 2011-08-11 J. L. Zdunik , P. Haensel , E. Gourgoulhon

The stability of magnetized strange quark matter (MSQM) is investigated within the phenomenological MIT bag model, taking into account the variation of the relevant input parameters, namely, the strange quark mass, baryon density, magnetic…

Astrophysics · Physics 2010-03-19 R. Gonzalez Felipe , A. Perez Martinez

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

An extensive set of realistic equations of state for superdense matter with a quark phase transition is derived on the basis of the three equations of state for neutron matter and the eight variants of strange quark-gluon plasmas in the MIT…

Astrophysics · Physics 2009-12-30 G. B. Alaverdyan , A. R. Harutyunyan , Yu. L. Vartanyan

It has recently been pointed out that if the surface tension of quark matter is low enough, the surface of a strange star will be a crust consisting of a crystal of charged strangelets in a neutralizing background of electrons. This affects…

Nuclear Theory · Physics 2008-11-26 Mark G. Alford , David A. Eby

In this study, we investigate strange quark stars within the framework of modified $f(R,T)$ gravity, where $R$ represents the Ricci scalar and $T$ denotes the trace of the energy-momentum tensor, specifically defined as $ f(R,T) = R + 2\chi…

General Relativity and Quantum Cosmology · Physics 2024-10-08 Suman Pal , Gargi Chaudhuri

We construct strangelets, taking into account electrostatic effects, including Debye screening, and arbitrary surface tension sigma of the interface between vacuum and quark matter. We find that there is a critical surface tension…

High Energy Physics - Phenomenology · Physics 2009-11-11 Mark G. Alford , Krishna Rajagopal , Sanjay Reddy , Andrew Steiner

We investigate the effects of non-Newtonian gravity on the properties of strange quark stars (QSs) and constrain the parameters of the standard MIT bag model used to describe strange quark matter (SQM) by employing the mass of PSR…

High Energy Astrophysical Phenomena · Physics 2020-10-14 Shu-Hua Yang , Chun-Mei PI , Xiao-Ping Zheng , Fridolin Weber

This thesis aims to study how amending certain astrophysical observable of quark stars due to presence of magnetic field. To do this we need to obtain Equation of State (EOS) and consider the stability of Strange Quark Matter (made up of…

High Energy Astrophysical Phenomena · Physics 2015-03-17 D. Manreza Paret , A. Pérez Martínez

This work discuses the effect of the QCD coupling constant ($\alpha_c$) on various physical properties of compact stars in the framework of the Tolman IV potential admitting the equation of state of MIT bag model with nonzero value of mass…

General Relativity and Quantum Cosmology · Physics 2024-12-17 R Roy , K B Goswami , P K Chattopadhyay , A Saha

In this paper we study strange matter by investigating the stability window within the QMDD model at zero temperature and check that it can explain the very massive pulsar recently detected. We compare our results with the ones obtained…

Nuclear Theory · Physics 2015-06-11 J. R. Torres , D. P. Menezes
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