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Related papers: Screening Effect in Quark-Hadron Mixed Phase

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A structured mixed phase consisting of quark and hadron phases is numerically studied with the Coulomb screening effect and the surface effect. We carefully introduced the Coulomb potential, so that a geometrical structure becomes…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tomoki Endo , Toshiki Maruyama , Satoshi Chiba , Toshitaka Tatsumi

The Coulomb interaction effect and the surface effect are consistently taken into account in the hadron-quark mixed phase. These two finite-size effects greatly change the properties of the mixed phase and restrict its density region. In…

High Energy Physics - Phenomenology · Physics 2009-11-11 Tomoki Endo , Toshiki Maruyama , Satoshi Chiba , Toshitaka Tatsumi

We study the charge screening effect in the hadron-quark mixed phase. By including the charge screening effect, rearrangement of charged particles occurs and some part becomes locally charge-neutral. As a result the equation of state for…

Astrophysics · Physics 2007-05-23 Tomoki Endo , Toshiki Maruyama , Satoshi Chiba , Toshitaka Tatsumi

Possibility of structured mixed phases at first order phase transitions in neutron stars is re-examined by taking into account charge screening and surface effects. Transition from the hadron $npe$ phase to the quark phase is studied. Two…

Nuclear Theory · Physics 2015-06-26 D. N. Voskresensky , M. Yasuhira , T. Tatsumi

Possibility of structured mixed phases at first order phase transitions is examined with taking into account of charge screening and surface effects. Hadron-quark phase transition in dense neutron star interior is considered, as concrete…

Nuclear Theory · Physics 2015-06-26 D. N. Voskresensky , M. Yasuhira , T. Tatsumi

The Coulomb screening effect and the finite-size effect such as surface tension are figured out in the hadron-quark deconfinement phase transition. We study the mixed phase of the quark droplets immersed in hadron matter. We see that the…

Nuclear Theory · Physics 2009-11-10 Tomoki Endo , Toshiki Maruyama , Satoshi Chiba , Toshitaka Tatsumi

Possibility of structured mixed phase at first order phase transitions is examined by taking into account of charge screening and surface effects. Hadron-quark phase transition in dense neutron star interiors is considered as a concrete…

Nuclear Theory · Physics 2015-06-26 T. Tatsumi , M. Yasuhira , D. N. Voskresensky

We study different realisations of the first order deconfinement phase transition inside a compact star by comparing the Gibbs and Maxwell construction for the mixed phase. The hadronic sector is described within the relativistic mean field…

Nuclear Theory · Physics 2010-02-01 Abhijit Bhattacharyya , Igor N. Mishustin , Walter Greiner

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

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

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 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

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 show that the hadron-quark mixed phase is restricted to narrow range of baryon chemical potential by the charge screening effect. Accordingly the mixed phase expected in hadron-quark hybrid stars should be narrow. Although the screening…

High Energy Physics - Phenomenology · Physics 2009-11-11 Tomoki Endo , Toshiki Maruyama , Satoshi Chiba , 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

Non-uniform structures of mixed phases at the first-order phase transition to charged kaon condensation are studied using a density functional theory within the relativistic mean field model. Including electric field effects and applying…

We give a general thermodynamical argument showing that in neutron stars, the Coulomb structured mixed phase is always favored for any first order phase transition involving systems in equilibrium with baryon number and electric charge as…

Astrophysics · Physics 2007-05-23 Michael B. Christiansen , Norman K. Glendenning

Starting from the relativistic Brueckner-Hartree-Fock theory for nuclear matter and the Dyson-Schwinger equation approach for quark matter, the possible hadron-quark phase transition in the interior of a neutron star is explored. The…

Nuclear Theory · Physics 2023-05-16 Pianpian Qin , Zhan Bai , Sibo Wang , Chencan Wang , Si-xue Qin

Hadron--quark mixed phase is expected in a wide region of the inner structure of hybrid stars. However, we show that the hadron--quark mixed phase should be restricted to a narrower region to because of the charge screening effect. The…

Solar and Stellar Astrophysics · Physics 2011-07-04 Tomoki Endo

We investigate the properties of nuclear matter at the first-order phase transitions such as liquid-gas phase transition and hadron-quark phase transition. As a general feature of the first-order phase transitions of matter consisting of…

Nuclear Theory · Physics 2011-03-10 Toshiki Maruyama , Nobutoshi Yasutake , Toshitaka Tatsumi
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