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相关论文: Quark matter nucleation in hot hadronic matter

200 篇论文

We study the QCD phase diagram using a non-local SU(3) NJL model with vector interactions among quarks. We analyze several thermodynamic quantities such as entropy and specific heat, and study the influence of vector interactions on the…

高能天体物理现象 · 物理学 2017-09-06 German Malfatti , G. A. Contrera , M. Orsaria , F. Weber

In this paper we investigate quark deconfinement in neutrons stars and their mergers, focusing on the effects of higher orders for the phase transition between hadronic and quark matter. The different descriptions we use to describe matter…

We propose a scheme to determine the chemical potential and baryon number density of the hadron-quark phase transition in cold dense strong interaction matter (compact star matter). The hadron matter is described with the relativistic mean…

高能物理 - 唯象学 · 物理学 2023-05-26 Zhan Bai , Yu-xin Liu

We investigate the hadron-quark phase transition in cold neutron stars in light of (i) the observed limits on the maximum-mass of heavy pulsars, (ii) constraints on the tidal properties inferred from the gravitational waves emitted in…

高能天体物理现象 · 物理学 2020-09-11 German Malfatti , Milva G. Orsaria , Ignacio F. Ranea-Sandoval , Gustavo A. Contrera , Fridolin Weber

We have studied phase transition from hadron matter to quark matter in the presence of high magnetic fields incorporating the trapped electron neutrinos at finite temperatures. We have used the density dependent quark mass (DDQM) model for…

天体物理学 · 物理学 2009-10-31 V. K. Gupta , Asha Gupta , S. Singh , J. D. Anand

In this letter we study the dynamics of a first order phase transition from nucleonic to quark matter in neutron stars. Using standard equations of state for these two phases we find the density range where such a transition is possible.…

高能天体物理现象 · 物理学 2015-05-27 Igor Mishustin , Ritam Mallick , Rana Nandi , Leonid Satarov

We develop a unified model of hadrons and quarks. Within this approach we investigate the phase structure of the model as function of temperature and chemical potential. Computing the equation of state of cold matter we determine neutron…

核理论 · 物理学 2015-05-27 S. Schramm , V. Dexheimer , R. Negreiros , T. Schürhoff

We study the possibility that the transition from hadron matter to quark matter at vanishing temperatures proceeds via crossover, similar to the crossover behavior found with lattice QCD studies at high temperatures. The purpose is to…

核理论 · 物理学 2015-09-21 D. E. Alvarez-Castillo , S. Benic , D. Blaschke , R. Lastowiecki

The thermal nucleation of quark matter bubbles inside neutron stars is examined for various temperatures which the star may realistically encounter during its lifetime. It is found that for a bag constant less than a critical value, a very…

天体物理学 · 物理学 2009-12-30 Michael L. Olesen , Jes Madsen

In this work, we study matter in the cores of proto-neutron stars, focusing on the impact of their composition on the stellar structure. We begin by examining the effects of finite temperature (through a fixed entropy per baryon) and lepton…

高能天体物理现象 · 物理学 2019-05-15 J. Roark , X. Du , C. Constantinou , V. Dexheimer , A. W. Steiner , J. R. Stone

As a neutron star spins down, its core density increase, changing the relative equilibrium concentration, and causing deconfinement phase transition as well. hadron matter are converted into quark matter in the interior, which enhances the…

高能天体物理现象 · 物理学 2015-03-19 Wei Wei , Xiao-Ping Zheng

We analyse the nucleation of quark matter droplets under protoneutron star conditions. We adopt a two-phase framework in which the hadronic phase is described through a non-linear Walecka model and the just deconfined matter by the MIT bag…

高能物理 - 唯象学 · 物理学 2013-08-21 T. A. S. do Carmo , G. Lugones , A. G. Grunfeld

In this work, we study in detail the deconfinement phase transition that takes place in hot/dense nuclear matter in the context of neutron stars and proto-neutron stars (in which lepton fraction is fixed). The possibility of different…

核理论 · 物理学 2018-12-05 J. Roark , V. Dexheimer

We study the deconfinement transition of hadronic matter into quark matter in neutron star conditions in the light of color superconductivity. Deconfinement is considered to be a first order phase transition that conserves color and flavor.…

天体物理学 · 物理学 2008-11-26 G. Lugones , I. Bombaci

Based on the assumption that the QCD phase diagram gives a realistic picture of hadronic and quark matter under different regimes, it is possible to claim that a quark core may be present inside compact objects commonly named hybrid neutron…

核理论 · 物理学 2022-09-28 M. R. Pelicer , D. P. Menezes

We consider the general conditions of quark droplets formation in high density neutron matter. The growth of the quark bubble (assumed to contain a sufficiently large number of particles) can be described by means of a Fokker-Planck…

天体物理学 · 物理学 2010-11-19 T. Harko , K. S. Cheng , P. S. Tang

We aim to study the possibility of a hadron-quark phase transition in the interior of neutron stars, taking into account different schematic evolutionary stages at finite temperature. We also discuss the strange quark matter stability in…

高能天体物理现象 · 物理学 2017-04-26 M. Mariani , M. Orsaria , H. Vucetich

We investigate the chemical potential and baryon number density of the hadron-quark phase transition in neutron star matter. The hadron matter is described with relativistic mean field theory, and the quark matter is described with the…

核理论 · 物理学 2019-09-04 Zhan Bai , Yu-xin Liu

Merging binaries of neutron stars are not only strong sources of gravitational waves, but also have the potential of revealing states of matter at densities and temperatures not accessible in laboratories. A crucial and long-standing…

Recent finite-temperature QCD lattice data are analyzed within a quasiparticle model, and extrapolated to nonzero chemical potential. Determined by the chiral transition temperature, the resulting equation of state of charge neutral,…

高能物理 - 唯象学 · 物理学 2007-05-23 A. Peshier , B. Kampfer , G. Soff