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Related papers: Hybrid star within $f(\mathcal{G})$ gravity

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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

The structure of a magnetized quark-hybrid stars (QHS) is modeled using a standard relativistic mean-field equation of state (EoS) for the description of hadronic matter. For quark matter we consider a bag model EoS which is modified…

High Energy Astrophysical Phenomena · Physics 2015-05-28 M. Orsaria , Ignacio F. Ranea-Sandoval , H. Vucetich , F. Weber

In this article, we are devoted to discuss different compact stars admitting anisotropic interiors in a particular modified theory of gravity. For this purpose, a spherically symmetric metric is adopted to formulate the field equations…

General Relativity and Quantum Cosmology · Physics 2025-12-29 Tayyab Naseer , M. Sharif

In the present work, we have searched the existence of anisotropic and non-singular compact star in the $f(R,T)$ gravity by taking into account the non-exotic equation of state (EoS). In order to obtain the solutions of the matter content…

General Relativity and Quantum Cosmology · Physics 2020-07-02 Anil Kumar Yadav , Monimala Mondal , Farook Rahaman

This paper explores the viability and stability of compact stellar objects characterized by anisotropic matter in the framework of $f(\mathrm{Q},\mathrm{T})$ theory, where $\mathrm{Q}$ denotes non-metricity and $\mathrm{T}$ represents the…

General Relativity and Quantum Cosmology · Physics 2024-07-08 M. Zeeshan Gul , M. Sharif , Adeeba Arooj

We study the star matter properties for Hybrid equation of state (EoS) by varying the bag constant. We use the Effective-Field-Theory motivated Relativistic Mean-Field model (E-RMF) for hadron phase with recently reported FSUGarnet, G3 and…

Nuclear Theory · Physics 2020-11-19 I. A. Rather , A. Kumar , H. C. Das , M. Imran , A. A. Usmani , S. K. Patra

We investigate the influence of dark matter on hybrid stars. Using a two-fluid approach, where normal and dark matter components interact only gravitationally, we explore how dark matter can trigger the appearance of quark matter in neutron…

High Energy Physics - Phenomenology · Physics 2025-05-15 Carline Biesdorf , Jürgen Schaffner-Bielich , Laura Tolos

With the recent dawn of the multi-messenger astronomy era a new window has opened to explore the constituents of matter and their interactions under extreme conditions. One of the pending challenges of modern physics is to probe the…

High Energy Physics - Phenomenology · Physics 2020-05-20 Konstantin Otto , Micaela Oertel , Bernd-Jochen Schaefer

The density in the core of neutron stars can reach values of about 5 to 10 times nuclear matter saturation density. It is, therefore, a natural assumption that hadrons may have dissolved into quarks under such conditions, forming a hybrid…

Nuclear Theory · Physics 2016-02-17 S. Schramm , V. Dexheimer , R. Negreiros

The structure and stability of quark stars (QSs) made of interacting quark matter are discussed in this study, taking color superconductivity and perturbative QCD corrections into account. By combining this EoS with the…

High Energy Physics - Theory · Physics 2025-06-12 Takol Tangphati , İzzet Sakallı , Ayan Banerjee , Anirudh Pradhan

Thermodynamic properties of strange quark matter (SQM) in a nonuniform magnetic field are studied within the phenomenological MIT bag model under the charge neutrality and beta equilibrium conditions, relevant to the interior of strange…

High Energy Physics - Phenomenology · Physics 2018-09-05 A. A. Isayev

The detection of gravitational waves (GWs) from the binary neutron star (BNS) has opened a new window on the gravitational wave astronomy. With current sensitivities, detectable signals coming from compact objects like neutron stars turn…

General Relativity and Quantum Cosmology · Physics 2021-01-15 Ayan Banerjee , Takol Tangphati , Daris Samart , Phongpichit Channuie

The strange quark matter under strong magnetic fields and finite temperatures is studied in the framework of the MIT Bag model. Matter under such conditions is believed to be present in the core of dense astrophysical objects, like Neutron…

High Energy Astrophysical Phenomena · Physics 2019-02-08 Ernesto López Fune

Using the parity doublet model (PDM) for hadronic matter and a modified Nambu-Jona-Lasinio (NJL) model for quark matter, we investigate the potential existence of two- and three-flavor quark matter in neutron star cores. Both models respect…

Nuclear Theory · Physics 2025-12-02 Wen-Li Yuan , Bikai Gao , Yan Yan , Renxin Xu

In this study, we extend the MIT bag model by incorporating the vector interaction among quarks and introducing a density-dependent bag pressure.Then we proceed to investigate the thermodynamic properties of strange quark matter (SQM) and…

Nuclear Theory · Physics 2025-02-18 Min Ju , Pengcheng Chu , Xuhao Wu , He Liu

We investigate anisotropic quark stars within the context of energy-momentum squared gravity (EMSG), assuming the internal composition consists of homogeneous, charge-neutral 3-flavor interacting quark matter with ${\cal O}(m_s^4)$…

General Relativity and Quantum Cosmology · Physics 2023-10-02 Qian Li , Xianming Liu , Ruijun Tang , Jiayong Xiao

We investigate effects of the modified $f(R, \mathcal{T})$ gravity on the charged strange quark stars with the standard choice of $f(R, \mathcal{T})=R+2\chi \mathcal{T}$. Those types of stars are supposed to be made of strange quark matter…

General Relativity and Quantum Cosmology · Physics 2019-11-06 Debabrata Deb , Sergei V. Ketov , Maxim Khlopov , Saibal Ray

We study rapidly rotating hybrid stars with the Dyson-Schwinger model for quark matter and the Brueckner-Hartree-Fock many-body theory with realistic two-body and three-body forces for nuclear matter. We determine the maximum gravitational…

Nuclear Theory · Physics 2017-09-13 J. -B. Wei , H. Chen , G. F. Burgio , H. -J. Schulze

The properties of hadron-quark hybrid stars are studied when the quark phase is described in terms of a local SU(3) Nambu--Jona-Lasinio (NJL) model taking into account the contribution of the vector and axial-vector interaction between the…

Nuclear Theory · Physics 2022-08-09 G. B. Alaverdyan

A new class of solutions describing the composition of compact stars has been proposed, assuming that the fluid distribution inside the star is anisotropic. This is achieved by assuming the appropriate metric potential and then solving…

General Physics · Physics 2020-03-11 D. M. Pandya , B. Thakore , R. Goti , J. P. Rank , S. Shah
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