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Related papers: Hybrid star structure with the Field Correlator Me…

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We investigate the influence of repulsive vector interactions and color superconductivity on the structure of neutron stars using an extended version of the field correlator method (FCM) for the description of quark matter. The hybrid…

We study the structure of hybrid stars with the Field Correlator Method, extended to the zero temperature limit, for the quark phase. For the hadronic phase, we use the microscopic Brueckner-Hartree- Fock many-body theory. The comparison…

High Energy Physics - Phenomenology · Physics 2009-06-25 G. F. Burgio , M. Baldo , P. Castorina , S. Plumari , D. Zappala'

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

A phase of strong interacting matter with deconfined quarks is expected in the core of massive neutron stars. In this article, we perform a study of the hadron-quark phase transition in cold (T = 0) neutron star matter and we calculate…

Nuclear Theory · Physics 2013-09-20 Domenico Logoteta , Ignazio Bombaci

We perform a study of the possible existence of hybrid stars with color superconducting quark cores using a specific hadronic model in a combination with an NJL-type quark model. It is shown that the constituent mass of the non-strange…

Nuclear Theory · Physics 2009-11-10 M. Buballa , F. Neumann , M. Oertel , I. Shovkovy

In the present work we have achieved phase transition from $\beta$ stable hadronic matter to color-flavor locked (CFL) quark matter with Maxwell construction. The hybrid equation of state (EoS), obtained for different values of bag pressure…

Nuclear Theory · Physics 2022-06-13 Debashree Sen , Gargi Chaudhuri

We study the thermodynamics of two flavor color superconducting (2SC) quark matter within a nonlocal chiral quark model, using both instantaneous and covariant nonlocal interactions. For applications to compact stars, we impose conditions…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. G. Grunfeld , J. Berdermann , D. B. Blaschke , T. Klahn , D. Gomez Dumm , N. N. Scoccola

The aim of this work is the study of hybrid stars interiors from the equations of state describing the matter composing them. We used modern hadronic equations of state to describe the matter in the outer core of these stars. The quark…

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 phase transition to a deconfined phase is studied and the consequences in the formation of neutron stars are investigated. We use the quark-meson-coupling model for the hadron matter and the MIT Bag model for the quark matter in order…

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

We present a hybrid equation of state (EoS) for dense matter in which a nuclear matter phase is described within the Dirac-Brueckner-Hartree-Fock (DBHF) approach and a two-flavor quark matter phase is modelled according to a recently…

Nuclear Theory · Physics 2008-11-26 D. B. Blaschke , D. Gomez Dumm , A. G. Grunfeld , T. Klahn , N. N. Scoccola

We study the hadron-quark phase transition in neutron star matter and the structural properties of hybrid stars using an equation of state (EOS) for the quark phase derived with the field correlator method (FCM). We make use of the measured…

Solar and Stellar Astrophysics · Physics 2013-08-30 Ignazio Bombaci , Domenico Logoteta

We analyse the hadron-quark phase transition in neutron stars by confronting the hadronic Equation of State (EoS) obtained according to the microscopic Brueckner-Hartree-Fock many body theory, with the quark matter EoS derived within the…

High Energy Physics - Phenomenology · Physics 2015-06-18 D. Zappala , G. F. Burgio , V. Greco , S. Plumari

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 study the effects of the gapless color-flavor locked (gCFL) phase on the equation of state of strongly interacting matter in the range of baryonic chemical potential involved in a compact star. We analyze the possibility of a phase…

Nuclear Theory · Physics 2009-11-11 A. Lavagno , G. Pagliara

Background: At high density deconfinement of hadronic matter may occur leading to quark matter. The immense densities reached in the inner core of massive neutron stars may be sufficient to facilitate the transition. Purpose: To investigate…

Nuclear Theory · Physics 2016-04-06 D. L. Whittenbury , H. H. Matevosyan , A. W. Thomas

We investigate the possible sequels, for the hybrid compact stars consisting of nucleons, hyperons and three flavour color-flavor-locked quarks phase under global neutrality and chemical equilibrium conditions. The hadron equations of state…

Nuclear Theory · Physics 2019-09-18 Suman Thakur , Shashi K Dhiman

We determine, within a meta-model, the properties of the nuclear matter equation of state (EoS) that allow for a phase transition to deconfinement matter. It is shown that the properties that define the isoscalar channel are the ones that…

Nuclear Theory · Physics 2022-02-16 Márcio Ferreira , Renan Câmara Pereira , Constança Providência

We investigate the properties of hybrid stars consisting of quark matter in the core and hadron matter in outer region. The hadronic and quark matter equations of state are calculated by using nonlinear Walecka model and chiral colour…

Nuclear Theory · Physics 2015-06-26 Sanjay K. Ghosh , S. C. Phatak , Pradip K. Sahu

We study the equation state of strongly interacting quark matter within a NJL-like model in which the chiral condensates and the color superconducting gaps are computed self-consistently as a function of the baryon density. A vector…

Astrophysics · Physics 2008-11-26 G. Pagliara , J. Schaffner-Bielich
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