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Related papers: Charge screening effect in the hadron-quark mixed …

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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

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

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

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

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

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

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

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 study the hadron-quark phase transition with the finite size effects at finite temperature. For the hadron phase, we adopt a realistic equation of state in the framework of the Brueckner-Hartree-Fock theory including hyperons. The…

Nuclear Theory · Physics 2009-12-30 Nobutoshi Yasutake , Toshiki Maruyama , Toshitaka 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

We examine electrically and color neutral quark matter in beta-equilibrium focusing on the possibility of mixed phases between different color superconducting phases. To that end we apply the Gibbs criterion to ensure phase equilibrium and…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Neumann , M. Buballa , M. Oertel

We study the finite-size effects, like the surface and Coulomb energies, on the hadron-quark mixed phase in neutron stars. The equilibrium conditions for coexisting hadronic and quark phases are derived by minimizing the total energy…

Nuclear Theory · Physics 2017-09-13 Xuhao Wu , Hong Shen

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 study the hadron-quark mixed phase in protoneutron stars, where neutrinos are trapped and lepton number becomes a conserved quantity besides the baryon number and electric charge. Considering protoneutron-star matter as a ternary system,…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Nobutoshi Yasutake , Toshiki Maruyama , Toshitaka Tatsumi

We study the role of Coulomb and surface effects on the phase transition from dense nuclear matter to a mixed phase of nuclear and kaon-condensed matter. We calculate corrections to the bulk calculation of the equation of state (EOS) and…

Nuclear Theory · Physics 2009-11-06 Travis Norsen , Sanjay Reddy

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

We investigate the effect of screening of the four-quarks contact interactions by the ring diagram at finite temperature and density in an effective chiral model inspired by QCD in the Coulomb gauge. As a consequence, a medium-dependent…

High Energy Physics - Phenomenology · Physics 2023-09-07 Michał Szymański , Pok Man Lo , Krzysztof Redlich , Chihiro Sasaki

Motivated by the precision measurements of heavy flavor baryon masses, we analyze the modification of quark charge by employing the screening effect inside the baryon. In addition, we calculate the isospin mass splitting up to charmed…

High Energy Physics - Phenomenology · Physics 2023-01-11 Binesh Mohan , Thejus Mary S. , Avijit Hazra , Rohit Dhir

The method of screening and renormalization is used to include the Coulomb interaction between the charged particles in the momentum-space description of three- and four-body nuclear reactions. The necessity for the renormalization of the…

Nuclear Theory · Physics 2015-05-18 A. Deltuva

We study the hadron-quark phase transition, taking into account the finite-size effects for neutron star matter. For the hadron phase, we adopt a realistic equation of state within the framework of the Brueckner-Hartree-Fock theory. For the…

High Energy Astrophysical Phenomena · Physics 2018-07-25 Nobutoshi Yasutake , Huan Chen , Toshiki Maruyama , Toshitaka Tatsumi
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