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Related papers: Numerical study of the hadron-quark mixed phase

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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 study the interface effects of quark-hadron mixed phase in compact stars. The properties of nuclear matter are obtained based on the relativistic-mean-field model. For the quark phase, we adopt perturbation model with running quark…

High Energy Physics - Phenomenology · Physics 2019-06-05 Cheng-Jun Xia , Toshiki Maruyama , Nobutoshi Yasutake , Toshitaka Tatsumi

The quark-hadron phase transition at finite temperature and baryon chemical potential is investigated in an extended NJL model with scalar-vector eight-point interaction by comparing the pressure of symmetric nuclear matter with that of the…

High Energy Physics - Phenomenology · Physics 2016-06-21 T. -G. Lee , Y. Tsue , J. da Providencia , C. Providencia , M. Yamamura

We consider the (3+1) dimensional expansion and cooling of the chirally-restored and deconfined matter at finite net-baryon densities as expected in heavy-ion collisions at moderate energies. In our approach, we consider chiral fields and…

Nuclear Theory · Physics 2014-07-23 Christoph Herold , Marlene Nahrgang , Igor Mishustin , Marcus Bleicher

In the framework of Coulomb Gauge QCD we explore dynamical breaking of chiral symmetry and screening of the confinement potential at finite density. The screened potential is applied in study of charmonium dissociation.

High Energy Physics - Phenomenology · Physics 2010-04-23 Peng Guo , Adam P. Szczepaniak

We investigate the nature of the deconfinement and Roberge-Weiss transition in the heavy quark regime for finite real and imaginary chemical potential within the functional approach to continuum QCD. We extract the critical phase boundary…

High Energy Physics - Phenomenology · Physics 2015-06-23 Christian S. Fischer , Jan Lücker , Jan M. Pawlowski

We consider how the occurrence of first-order phase transitions in non-constant pressure differs from those at constant pressure. The former has shown the non-linear phase structure of mixed matter, which implies a particle number…

High Energy Physics - Phenomenology · Physics 2015-06-18 Xiao-Ping Zheng , Xia Zhou , Shu-Hua Yang

It is believed that there exists a rich phase structure of quantum chromodynamics (QCD) at finite temperature and baryon density, namely, the deconfinement process from hadron gas to quark-gluon plasma, the transition from chiral symmetry…

Nuclear Theory · Physics 2013-07-09 Rafael Cavagnoli , Debora P. Menezes , Constança Providência

We construct an effective model for the QCD equation of state, taking into account chiral symmetry restoration as well as the deconfinement phase transition. The correct asymptotic degrees of freedom at the high and low temperature limits…

High Energy Physics - Phenomenology · Physics 2011-01-28 J. Steinheimer , S. Schramm , H. Stöcker

We study the effect of periodic boundary conditions on chiral symmetry breaking and its restoration in Quantum Chromodynamics. As an effective model of the effective potential for the quark condensate, we use the quark-meson model, while…

High Energy Physics - Phenomenology · Physics 2020-12-15 Shen-Song Wan , Daize Li , Bonan Zhang , Marco Ruggieri

In tackling QCD, a constructive feedback between theory and extant and forthcoming experiments is necessary in order to place constraints on the infrared behaviour of QCD's \beta-function, a key nonperturbative quantity in hadron physics.…

Nuclear Theory · Physics 2015-05-30 Craig D. Roberts

We study the static potential between external quark-antiquark pairs in a strongly coupled gauge theory with a large number of colors and massive dynamical flavors, using a dual string description. When the constituent mass of the dynamical…

High Energy Physics - Theory · Physics 2008-12-30 Francesco Bigazzi , Aldo L. Cotrone , Carlos Nunez , Angel Paredes

I first sketch recent developments concerning the phase diagram of strongly interacting matter as a function of temperature and baryon density, obtained using a model for two-flavor QCD in which the interaction between quarks is modelled on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Krishna Rajagopal

We compute the bulk viscosity of a mixed quark-hadron phase. In the first scenario to be discussed, the mixed phase occurs at large densities and we assume that it is composed of a mixing of hyperonic matter and quarks in the Color Flavor…

Astrophysics · Physics 2008-11-26 A. Drago , A. Lavagno , G. Pagliara

Recent studies based on non-perturbative lattice Monte-Carlo solutions of Quantum Chromodynamics, the theory of strong interactions, demonstrated that at high temperature there is a phase change from confined hadronic matter to a deconfined…

Nuclear Theory · Physics 2018-10-24 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

We study the role of finite-size effects at the hadron-quark phase transition in a new hybrid equation of state constructed from an ab-initio Br\"uckner-Hartree-Fock equation of state with the realistic Bonn-B potential for the hadronic…

High Energy Astrophysical Phenomena · Physics 2014-06-25 N. Yasutake , R. Lastowiecki , S. Benic , D. Blaschke , T. Maruyama , T. Tatsumi

Chiral and deconfinement phase transitions at finite temperature $T$ and quark number chemical potential $\mu$ are simultaneously studied in the quenched dynamical holographic QCD model within the Einstein-Dilaton-Maxwell framework. By…

High Energy Physics - Phenomenology · Physics 2020-04-22 Xun Chen , Danning Li , Defu Hou , Mei Huang

We discuss various manifestations of the "magnetic scenario" for the quark-gluon plasma viewed as a mixture of two plasmas, of electrically (quark and gluons) as well as magnetically charged quasiparticles. Near the deconfinement phase…

High Energy Physics - Theory · Physics 2010-02-16 Edward Shuryak

In this Chapter QCD interactions between a quark and an anti-quark are discussed. In the heavy quark limit these potentials can be related to quarkonia and $1/m$ corrections can be systematically determined. Excitations of the ground state…

Nuclear Theory · Physics 2018-09-26 G. Bali , A. M. Green

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