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We discuss the properties of the hadron-quark mixed phase in compact stars using a realistic equation of state of hyperonic matter and the MIT bag model. We find that the equation of state of the mixed phase is similar to that given by the…

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

The hadron-quark phase transition in the interior of compact stars is investigated, when the transition proceeds through a mixed phase. The hadronic phase is described in the framework of relativistic mean-field theory, when also the…

Solar and Stellar Astrophysics · Physics 2009-12-02 G. B. Alaverdyan

We investigate the properties of the hadron-quark mixed phase in compact stars using a Brueckner-Hartree-Fock framework for hadronic matter and the MIT bag model for quark matter. We find that the equation of state of the mixed phase is…

Nuclear Theory · Physics 2009-11-13 Toshiki Maruyama , Satoshi Chiba , Hans-Josef Schulze , Toshitaka Tatsumi

We investigate the properties of the hadron-quark mixed phase in compact stars using a Brueckner-Hartree-Fock framework for hadronic matter and the MIT bag model for quark matter. We find that the equation of state of the mixed phase is…

Nuclear Theory · Physics 2017-08-23 Toshiki Maruyama , Satoshi Chiba , Hans-Josef Schulze , Toshitaka Tatsumi

Possibility of the structured mixed phases at first order phase transitions in neutron stars is reexamined by taking into account the charge screening effect. The Maxwell construction is shown to be not conflicted with the Gibbs conditions…

Nuclear Theory · Physics 2007-05-23 T. Tatsumi , D. N. Voskresensky

We investigate systematically the possible deconfinement phase transition from nuclear matter to quark matter in compact stars. The properties of nuclear matter are fixed by expanding its binding energy to the order of $\rho^3$, while those…

High Energy Physics - Phenomenology · Physics 2022-05-24 Hao-Miao Jin , Cheng-Jun Xia , Ting-Ting Sun , Guang-Xiong Peng

The Maxwell and Glendenning construction scenarios of deconfinement phase transition in neutron star matter are investigated. The hadronic phase is described within the relativistic mean-field (RMF) theory, if also the scalar-isovector…

Solar and Stellar Astrophysics · Physics 2015-06-05 A. G. Alaverdyan , G. B. Alaverdyan , A. O. Chiladze

We compare the Gibbs and Maxwell constructions for the hadron-quark phase transition in neutron and protoneutron stars, including interacting hyperons in the confined phase. We find that the hyperon populations are suppressed, and that…

Solar and Stellar Astrophysics · Physics 2015-05-20 N. Yasutake , G. F. Burgio , H. -J. Schulze

We study properties of compact stars with the deconfinement phase transition in their interiors. The equation of state of cold baryon-rich matter is constructed by combining a relativistic mean-field model for the hadronic phase and the MIT…

High Energy Physics - Phenomenology · Physics 2009-11-07 I. N. Mishustin , M. Hanauske , A. Bhattacharyya , L. M. Satarov , H. Stoecker , W. Greiner

We study the compact stars internal structure and observable characteristics alterations due to the quark deconfinement phase transition. To proceed with, we investigate the properties of isospin-asymmetric nuclear matter in the improved…

Solar and Stellar Astrophysics · Physics 2015-06-05 A. G. Alaverdyan , G. B. Alaverdyan , Sh. R. Melikyan

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 review the differences in first order phase transition of single and multi-component systems, and then discuss the crystalline structure expected to exist in the mixed confined deconfined phase of hadronic matter. The particular context…

Astrophysics · Physics 2009-09-25 Norman K. Glendenning , S. Pei

We investigate the property of the hadron-quark mixed phase using the Brueckner-Hartree-Fock model for hadron (hyperon) phase and the MIT bag model for quark phase. To satisfy the Gibbs conditions, charge density as well as baryon number…

Nuclear Theory · Physics 2009-01-30 Toshiki Maruyama , Satoshi Chiba , Hans-Josef Schulze , Toshitaka Tatsumi

Based on an extended NJL model that treats baryons as clusters of quarks, we investigate the properties and microscopic structures of mixed phases for various types of first-order phase transitions in a unified manner, where the model…

Nuclear Theory · Physics 2024-09-24 Cheng-Jun Xia , Toshiki Maruyama , Nobutoshi Yasutake , Toshitaka Tatsumi

We develop our previous study of the transition to deconfined quark phase in neutron stars, including the interaction in the quark equation of state to the leading order in the perturbative expansion within the confinement density-dependent…

Solar and Stellar Astrophysics · Physics 2015-06-24 A. Li , W. Zuo , G. -X. Peng

In agreement with the gravitational-wave events which are constantly increasing, new aspects of the internal structure of compact stars have come to light. A scenario in which a first order transition takes place inside these stars is of…

High Energy Astrophysical Phenomena · Physics 2021-10-22 T. Deloudis , P. S. Koliogiannis , Ch. C. Moustakidis

The deconfinement phase transition from hadronic matter to quark matter in the interior of compact stars is investigated. The hadronic phase is described in the framework of relativistic mean-field (RMF) theory, when also the scalar-…

Nuclear Theory · Physics 2009-07-24 G. B. Alaverdyan

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

The deconfinement phase transition from hadronic matter to quark matter in the interior of compact stars is investigated. The hadronic phase is described in the framework of relativistic mean-field (RMF) theory, when also the…

Solar and Stellar Astrophysics · Physics 2010-12-01 G. B. Alaverdyan

First-order phase transitions, like the liquid-gas transition, proceed via formation of structures such as bubbles and droplets. In strongly interacting compact star matter, at the crust-core transition, but also at the hadron-quark…

High Energy Astrophysical Phenomena · Physics 2018-09-17 Vahagn Abgaryan , David Alvarez-Castillo , Alexander Ayriyan , David Blaschke , Hovik Grigorian
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