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Related papers: Properties of Magnetized Quark-Hybrid Stars

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The properties of hybrid stars formed by hadronic and quark matter in $\beta$-equilibrium are described by appropriate equations of state (EoS) in the framework of the quark meson coupling (QMC) model. In the present work we include the…

Nuclear Theory · Physics 2009-11-10 P. K. Panda , D. P. Menezes , C. Providência

The stellar configurations of quark stars are studied using perturbative QCD (pQCD) for the equation of state (EoS). The neutron star structures with equation of state obtained from Brussels-Montreal extended Skyrme interaction are also…

Nuclear Theory · Physics 2023-08-01 Joydev Lahiri , D. N. Basu

Considering the mass constraint from the resent pulsar observations, we study the properties of neutron stars including hyperons and quarks explicitly. Using the chiral quark-meson coupling model with relativistic Hartree-Fock…

Nuclear Theory · Physics 2017-02-21 Tsuyoshi Miyatsu , Takahide Kambe , Koichi Saito

The equation of state (EoS) for neutron stars is a crucial topic in astrophysics, nuclear physics, and quantum chromodynamics (QCD), influencing their structure, stability, and observable properties. This review classifies EoS models into…

Nuclear Theory · Physics 2025-07-08 Zuhua Ji , Jiarui Chen , Yan Chen

We investigate the equation of state(EoS) and the effect of the hadron-quark phase transition of strong interaction matter in compact stars. The hadron matter is described with the relativistic mean field theory,and the quark matter is…

High Energy Physics - Phenomenology · Physics 2018-01-31 Zhan Bai , Huan Chen , Yu-xin Liu

In this work we present a study of magnetars composed of hadronic and quark matter, under the influence of strong magnetic fields. We present our results for hadronic matter taking into account the effects that the inclusion of anomalous…

Solar and Stellar Astrophysics · Physics 2015-02-24 R. Casali , L. B. Castro , D. P. Menezes

We consider the possibility of having hybrid stars with a phase transition from hadrons into strange matter at the core of a neutron star in b equilibrium. For the hadron phase equation of state (EoS) the quark-meson coupling model is used,…

High Energy Physics - Phenomenology · Physics 2021-02-24 Wasif Husain , Anthony W. Thomas

We investigate structures of hybrid stars, which feature quark core surrounded by a hadronic matter mantle, with super-strong toroidal magnetic fields in full general relativity. Modeling the equation of state (EOS) with a first order…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Nobutoshi Yasutake , Kenta Kiuchi , Kei Kotake

We investigate binary neutron star (BNS) mergers using general-relativistic numerical simulations with hadronic and hybrid equations of state (EOSs), incorporating the latest observations and theoretical constraints. We address two viable…

High Energy Astrophysical Phenomena · Physics 2025-09-16 Sudipta Hensh , Yong-Jia Huang , Toru Kojo , Luca Baiotti , Kentaro Takami , Shigehiro Nagataki , Hajime Sotani

We construct a set of equations of state (EoS) of dense and hot matter with a 1st order phase transition from a hadronic system to a deconfined quark matter state. In this two-phase approach, hadrons are described using the relativistic…

High Energy Astrophysical Phenomena · Physics 2019-08-27 Mateusz Cierniak , Tobias Fischer , Niels-Uwe Bastian , Thomas Klaehn , Marc Salinas

Compact stars can have either hadronic matter or can have exotic states of matter like strange quark matter or color superconducting matter. Stars also can have a quark core surrounded by hadronic matter, known as hybrid stars (HS). The HS…

High Energy Astrophysical Phenomena · Physics 2012-07-26 Ritam Mallick , P. K. Sahu

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

The properties of the neutron stars are calculated for the hadronic matter within the density-dependent relativistic mean-field model (DD-RMF). The phase transition to the quark matter is studied and the hybrid star matter properties are…

Nuclear Theory · Physics 2021-09-09 I. A. Rather , A. A. Usmani , S. K. Patra

We compute models for the equation of state (EoS) of the matter in the cores of hybrid stars. Hadronic matter is treated in the non-linear relativistic mean-field approximation, and quark matter is modeled by three-flavor local and…

Nuclear Theory · Physics 2017-09-06 G. A. Contrera , M. Orsaria , I. F. Ranea-Sandoval , F. Weber

Recently there have been important developments in the determination of neutron star masses which put severe constraints on the composition and equation of state (EOS) of the neutron star matter. Here we study the effect of quark and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ashok Goyal

Properties of hybrid stars with a mixed phase composed of asymmetric nuclear matter and strange quark matter are studied. The quark phase is investigated by the quark quasiparticle model with a self-consistent thermodynamic and statistical…

Nuclear Theory · Physics 2013-05-31 Xin-Jian Wen

We study the mass-radius curve of hybrid stars, assuming a single first-order phase transition between nuclear and quark matter, with a sharp interface between the quark matter core and nuclear matter mantle. We use a generic…

Solar and Stellar Astrophysics · Physics 2013-11-13 Mark G. Alford , Sophia Han , Madappa Prakash

The possible existence of hybrid stars is studied using several multi-quark interaction channels. The hadronic phase consists of an equation of state (EoS) with presently accepted nuclear matter properties and the quark model is constrained…

Nuclear Theory · Physics 2023-01-11 Márcio Ferreira , Renan Câmara Pereira , Constança Providência

We calculate the structure of neutron star interiors comprising both the hadronic and the quark phases. For the hadronic sector we employ a microscopic equation of state involving nucleons and hyperons derived within the…

Nuclear Theory · Physics 2013-05-06 G. F. Burgio , H. Chen , H. -J. Schulze , G. Taranto

The appearance of quark matter in the core of hybrid stars is a fundamental issue in such compact stars. The central density of these stars is sufficiently high such that nuclear matter undergoes a further change into other exotic phases…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Tomoki Endo
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