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Related papers: Hybrid protoneutron stars within a static approach

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We study the hadron-quark phase transition in the interior of protoneutron stars. For the hadronic sector, we use a microscopic equation of state involving nucleons and hyperons derived within the finite-temperature…

Astrophysics · Physics 2008-11-26 O. E. Nicotra , M. Baldo , G. F. Burgio , H. -J. Schulze

We study the hadron-quark phase transition in the interior of neutron stars. For the hadronic sector, we use a microscopic equation of state involving nucleons and hyperons derived within the Brueckner-Hartree-Fock many-body theory with…

Nuclear Theory · Physics 2011-11-23 H. Chen , M. Baldo , G. F. Burgio , H. -J. Schulze

We study the hadron-quark phase transition at finite temperature in the interior of protoneutron stars, combining the Dyson-Schwinger model for quark matter with the Brueckner-Hartree-Fock approach for hadronic matter. We discuss the…

Nuclear Theory · Physics 2015-06-04 H. Chen , M. Baldo , G. F. Burgio , H. -J. Schulze

We study the hadron-quark phase transition in the interior of neutron stars (NS). For the hadronic sector, we use a microscopic equation of state (EOS) involving nucleons and hyperons derived within the Brueckner-Bethe-Goldstone many-body…

Nuclear Theory · Physics 2009-11-10 C. Maieron , M. Baldo , G. F. Burgio , H. -J. Schulze

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

We study the hadron-quark phase transition in the interior of hot protoneutron stars, combining the Brueckner-Hartree-Fock approach for hadronic matter with the MIT bag model or the Dyson-Schwinger model for quark matter. We examine the…

Solar and Stellar Astrophysics · Physics 2015-06-15 H. Chen , G. F. Burgio , H. -J. Schulze , N. Yasutake

We study the hadron-quark phase transition in the interior of neutron stars (NS's). We calculate the equation of state (EOS) of hadronic matter using the Brueckner-Bethe-Goldstone formalism with realistic two-body and three-body forces, as…

Nuclear Theory · Physics 2009-11-07 G. F. Burgio , M. Baldo , H. -J. Schulze , P. K. Sahu

We study the structure of protoneutron stars within the finite temperature Brueckner-Bethe-Goldstone many-body theory. If nucleons, hyperons, and leptons are present in the stellar core, we find that neutrino trapping stiffens considerably…

Astrophysics · Physics 2014-10-13 G. F. Burgio , M. Baldo , O. E. Nicotra , H. -J. Schulze

We analyze the different possibilities for the hadron-quark phase transition occurring in beta-stable matter including hyperons in neutron stars. We use a Brueckner-Hartree-Fock approach including hyperons for the hadronic equation of state…

Nuclear Theory · Physics 2008-11-26 Toshiki Maruyama , Satoshi Chiba , Hans-Josef Schulze , Toshitaka Tatsumi

We study the properties of hot neutrino-trapped beta-stable stellar matter using an equation of state of nuclear matter within the Brueckner-Hartree-Fock approach including three-body forces, combined with a standard chiral model for kaon…

Solar and Stellar Astrophysics · Physics 2010-04-06 A. Li , X. R. Zhou , G. F. Burgio , H. -J. Schulze

We study the hadron-quark phase transition in the interior of neutron stars (NS). For the hadronic sector, we use a microscopic equation of state (EOS) involving nucleons and hyperons derived within the Brueckner-Hartree-Fock approach. For…

Nuclear Theory · Physics 2009-11-10 G. F. Burgio

The nucleation process of quark matter in cold (T = 0) stellar matter is investigated using the microscopic Brueckner-Hartree-Fock approach to describe the hadronic phase, and the MIT bag model, the Nambu-Jona-Lasinio, and the Chromo…

Nuclear Theory · Physics 2015-06-04 Domenico Logoteta , Constança Providência , Isaac Vidana , Ignazio Bombaci

We investigate the structure of protoneutron stars (PNS) formed by hadronic and quark matter in $\beta$-equilibrium described by appropriate equations of state (EOS). For the hadronic matter, we use a finite temperature EOS based on the…

Astrophysics · Physics 2008-11-26 G. F. Burgio , S. Plumari

We study cold dense quark matter and hybrid neutron stars with a Dyson-Schwinger quark model and various choices of the quark-gluon vertex. We obtain the equation of state of quark matter in beta equilibrium and investigate the hadron-quark…

Nuclear Theory · Physics 2015-05-27 H. Chen , J. -B. Wei , M. Baldo , G. F. Burgio , H. -J. Schulze

As the interior density of a neutron star can become very high, it has been expected and discussed that quark matter may exist inside it. To describe the transition from hadron to quark phases (and vice versa), there are mainly two methods;…

High Energy Astrophysical Phenomena · Physics 2017-03-29 Takahide Kambe , Tetsuya Katayama , Koichi Saito

We study the structure of newly born neutron stars (protoneutron stars) within the finite temperature Brueckner-Bethe-Goldstone theoretical approach including also hyperons. We find that for purely nucleonic stars both finite temperature…

Nuclear Theory · Physics 2011-05-23 O. E. Nicotra , M. Baldo , G. F. Burgio , H. -J. Schulze

To investigate the stability of the protoneutron stars in their early evolution, the minimum gravitational mass plays a fundamental role. This quantity depends upon the temperature profile assumed. We study within a static approach the…

Nuclear Theory · Physics 2007-05-23 O. E. Nicotra

The possible conditions for hadron-quark phase transition in hybrid star cores are investigated in the present work. For the hadronic matter part the effective chiral model is adopted. Exotic baryonic degrees like hyperons and the delta…

Nuclear Theory · Physics 2021-04-15 Debashree Sen

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

Thermodynamical properties of nuclear matter are studied in the framework of an effective many-body field theory at finite temperature, considering the Sommerfeld approximation. We perform the calculations by using the nonlinear Boguta and…

Astrophysics · Physics 2009-11-06 Guilherme F. Marranghello , Cesar A. Z. Vasconcellos , Manfred Dillig
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