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Related papers: Hot hadron-quark mixed phase including hyperons

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We study the trend of the nuclear symmetry energy in relativistic mean-field models with appearance of the hyperon and quark degrees of freedom at high densities. On the pure hadron level, we focus on the role of $\Lambda$ hyperons in…

Nuclear Theory · Physics 2015-06-12 Wei-Zhou Jiang , Rong-Yao Yang , Dong-Rui Zhang

The equation of state of cold baryonic matter is studied within a relativistic mean-field model with hadron masses and coupling constants depending on the scalar field. All hadron masses undergo a universal scaling, whereas the coupling…

High Energy Astrophysical Phenomena · Physics 2015-07-27 K. A. Maslov , E. E. Kolomeitsev , D. N. Voskresensky

Phase transition from hadronic matter to quark-gluon matter is discussed for various regimes of temperature and baryon number density. For small and medium densities, the phase transition is accurately described in the framework of the…

High Energy Physics - Phenomenology · Physics 2011-04-05 M. I. Krivoruchenko , D. K. Nadyozhin , T. L. Rasinkova , Yu. A. Simonov , M. A. Trusov , A. V. Yudin

Equation of state for superdense nuclear matter is considered in the framework of relativistic mean-field theory, when the scalar-isovector -meson effective field is taken into account, as well. Assuming that the transition to the strange…

Solar and Stellar Astrophysics · Physics 2009-06-25 Grigor Alaverdyan

By means of an effective relativistic nuclear equation of state in the framework of the nonextensive statistical mechanics, characterized by power-law quantum distributions, we study the phase transition from hadronic matter to quark-gluon…

Nuclear Theory · Physics 2012-11-13 A. Lavagno , D. Pigato

We study the hadron-quark phase transition in the interior of neutron stars. The relativistic mean field (RMF) theory is adopted to describe the hadronic matter phase, while the Nambu-Jona-Lasinio (NJL) model is used for the quark matter…

Nuclear Theory · Physics 2008-11-26 F. Yang , H. Shen

We have considered a hot neutron star with a quark core, a mixed phase of quark-hadron matter, and a hadronic matter crust and have determined the equation of state of the hadronic phase and the quark phase, we have then found the equation…

Solar and Stellar Astrophysics · Physics 2015-05-20 T. Yazdizadeh , G. H. Bordbar

A standard picture in cosmology has been emerging over the past decade in which a phase transition, associated with chiral symmetry breaking after the electroweak transition, has occurred at approximately $10^{-6}$ seconds after the Big…

General Relativity and Quantum Cosmology · Physics 2011-04-04 K. Atazadeh , A. M. Ghezelbash , H. R. Sepangi

The liquid-gas phase transition in strange hadronic matter is studied utilizing an extended Furnstahl-Serot-Tang model with nucleons and hyperons. The system is treated as of two components. The phase transition is analyzed by investigating…

Nuclear Theory · Physics 2009-11-10 Li Yang , Wei Liang Qian , Ru-Keng Su , Hong Qiu Song

We describe the application of Dyson-Schwinger equations to the calculation of hadron observables. The studies at zero temperature (T) and quark chemical potential (mu) provide a springboard for the extension to finite-(T,mu). Our exemplars…

Nuclear Theory · Physics 2007-05-23 Pieter Maris , Craig D. Roberts

We analyze fluctuations of quark number and electric charge, in 2-flavour QCD at finite temperature and vanishing net baryon number density. In the hadronic phase we find that an enhancement of charge fluctuations arises from contributions…

High Energy Physics - Phenomenology · Physics 2009-11-11 F. Karsch , S. Ejiri , K. Redlich

The phase transition from hadronic matter to quark matter at high density might be a strong first order phase transition in presence of a large surface tension between the two phases. While this implies a constant-pressure mixed phase for…

High Energy Astrophysical Phenomena · Physics 2009-10-29 G. Pagliara , M. Hempel , J. Schaffner-Bielich

We study the effects of the finite size of the baryons on the equation of state of homogeneous hadronic matter with hyperons. The finite extension of hadrons is introduced in order to improve the perfomance of field theoretical models at…

Nuclear Theory · Physics 2007-05-23 R. M. Aguirre , A. L. De Paoli

In this conference proceeding, I discuss in detail the deconfinement to quark matter that takes place at large densities and/or temperatures. The first-order phase transition that is assumed to appear beyond a critical point gives rise to…

Nuclear Theory · Physics 2018-01-26 Veronica Dexheimer

We study the baryon-quark phase transition in a molecular dynamics (MD) of quark degrees of freedom at finite temperature and density. The baryon state at low density and temperature, and the deconfined quark state at high density and…

Nuclear Theory · Physics 2009-11-11 Yuka Akimura , Toshiki Maruyama , Naotaka Yoshinaga , Satoshi Chiba

Neutron star interiors provide the opportunity to probe properties of cold dense matter in the QCD phase diagram. Utilizing models of dense matter in accord with nuclear systematics at nuclear densities, we investigate the compatibility of…

High Energy Astrophysical Phenomena · Physics 2020-06-01 Sophia Han , M. A. A. Mamun , S. Lalit , C. Constantinou , M. Prakash

We investigate the possible scenario of deconfinement of hyperon rich hadronic matter to quark matter at high densities and the resulting hybrid star (HS) properties are analyzed. In the relativistic mean-field framework, we construct the…

Nuclear Theory · Physics 2018-12-14 Debashree Sen , T. K. Jha

We investigate the hadron-quark phase transition at finite density in the presence of a magnetic field taking into account the anisotropy created by a uniform magnetic field in the system's equations of state. We find a new anisotropic…

Nuclear Theory · Physics 2022-03-18 E. J. Ferrer , A. Hackebill

Using a unified hadron-quark effective model for the QCD equation of state, this paper studies the phase structure of strongly interacting matter in a wide range of temperature and baryonchemical potential. At small potentials the model…

High Energy Physics - Phenomenology · Physics 2013-08-22 Philip Rau , Jan Steinheimer , Stefan Schramm

We study the importance of the thermal behavior of the hadron-quark phase transition in neutron star (NS) mergers. To this end, we devise a new scheme approximating thermal effects to supplement any cold, barotropic hybrid equation of state…

High Energy Astrophysical Phenomena · Physics 2023-10-02 Sebastian Blacker , Andreas Bauswein , Stefan Typel