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Related papers: Quark-Meson Coupling model based upon the Nambu-Jo…

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We calculate the magnetic moments of hyperons in dense nuclear matter by using relativistic quark models. Hyperons are treated as MIT bags, and the interactions are considered to be mediated by the exchange of scalar and vector mesons which…

Nuclear Theory · Physics 2009-05-01 C. Y. Ryu , C. H. Hyun , T. -S. Park , S. W. Hong

A simple explanation of the dynamic properties of vector mesons is given in the framework of extended Nambu - Jona-Lasinio quark model. New mass relations among the hadron vector resonances are derived. The results of this approach are in…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. V. Chizhov

An ultraviolet cutoff dependent on the chemical potential as proposed by Casalbuoni {\it et al} is used in the su(3) Nambu-Jona-Lasinio model. The model is applied to the description of stellar quark matter and compact stars. It is shown…

Nuclear Theory · Physics 2014-11-20 C. H. Lenzi , A. S. Schneider , C. Providência , R. M. Marinho

We give a survey of recent development and applications of the chiral quark soliton model (also called the Nambu-Jona-Lasinio soliton model) with $N_f$=2 and $N_f$=3 quark flavors for the structure of baryons. The model is an effective…

High Energy Physics - Phenomenology · Physics 2009-10-30 Teruaki Watabe , Klaus Goeke

In this paper, we use a three flavor non-local Nambu--Jona-Lasinio (NJL) model, an~improved effective model of Quantum Chromodynamics (QCD) at low energies, to investigate the existence of deconfined quarks in the cores of neutron stars.…

High Energy Astrophysical Phenomena · Physics 2017-01-26 R. D. Mellinger , F. Weber , W. Spinella , G. A. Contrera , M. G. Orsaria

Using the quark-meson coupling (QMC) model we study nuclear matter from the point of view of quark degrees of freedom. As the nucleon model we adopt the MIT bag model and the relativistic constituent quark model, where a square well and…

Nuclear Theory · Physics 2007-05-23 K. Saito

The possibility of new short-distance physics applicable inside the cores of NS is incorporated into the equation of state generated by the quark-meson coupling model. The contribution of this new physics to the energy density is taken to…

Nuclear Theory · Physics 2022-08-22 Jesper Leong , Theo F. Motta , Anthony W. Thomas , P. A. M. Guichon

A new improved quark mass density-dependent model including u, d quarks, $\sigma$ mesons, $\omega$ mesons and $\rho$ mesons is presented. Employing this model, the properties of nuclear matter, neutron matter and neutron star are studied.…

Nuclear Theory · Physics 2009-08-03 Chen Wu , Ru-Keng Su

The description of nuclear matter bulk properties in the framework of quark-based hadron models in curved unit cells is extended to finite temperature. We discuss the analogy and interplay of density and temperature effects in this…

Nuclear Theory · Physics 2016-09-08 Hilmar Forkel , A. D. Jackson

Kaon electroweak properties in symmetric nuclear matter are studied in the Nambu--Jona-Lasinio model using the proper-time regularization. The valence quark properties in symmetric nuclear matter are calculated in the quark-meson coupling…

Nuclear Theory · Physics 2019-10-21 Parada T. P. Hutauruk , K. Tsushima

We construct the equation of state for high density neutron star matter at zero temperature using the two-flavor Nambu--Jona-Lasinio (NJL) model as an effective theory of QCD. We build nuclear matter, quark matter, and the mixed phases from…

Nuclear Theory · Physics 2020-05-27 Takehiro Tanimoto , Wolfgang Bentz , Ian C. Cloët

For the Nambu--Jona--Lasinio (NJL) model in the proper time regularization scheme the chiral soliton is investigated for the case of three flavors within the framework of the bound state approach to strangeness. For this purpose meson…

High Energy Physics - Phenomenology · Physics 2009-09-25 H. Weigel , R. Alkofer , H. Reinhardt

Short-range quark-quark correlations are introduced into the quark-meson coupling (QMC) model in a simple way. The effect of these correlations on the structure of the nucleon in dense nuclear matter is studied. We find that the short-range…

Nuclear Theory · Physics 2007-05-23 K. Saito , K. Tsushima , A. W. Thomas

We compare two QCD-inspired quark models with four-fermion interaction, without and with the remnant coupling to low-energy gluons, in the regime of dynamical chiral symmetry breaking (DCSB). The first one, the Nambu-Jona-Lasinio (NJL)…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. A. Andrianov , V. A. Andrianov

We will discuss the spectrum of the eta mesons making use of the Nambu-Jona-Lasinio (NJL) model supplemented with a model of confinement. We will go on to discuss the properties of mesons at finite temperature and the phenomenon of…

Nuclear Theory · Physics 2007-05-23 C. M. Shakin , Huangsheng Wang , Qing Sun , Hu Li Xiangdong Li

We determine the equation of state (EOS) of nuclear matter with the inclusion of hyperons in a self-consistent manner by using a Modified Quark Meson Coupling Model (MQMC) where the confining interaction for quarks inside a baryon is…

Nuclear Theory · Physics 2016-10-12 R. N. Mishra , H. S. Sahoo , P. K. Panda , N. Barik , T. Frederico

The quark-meson coupling (QMC) model, which has been successfully used to describe the properties of both infinite nuclear matter and finite nuclei, is applied to a systematic study of $\Lambda, \Sigma$ and $\Xi$ hypernuclei. Assumptions…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , K. Saito , J. Haidenbauer , A. W. Thomas

We analyze the color-flavor-locked phase of strange quark matter modelled by the three-flavor Nambu-Jona-Lasinio (NJL) framework with and without magnetic field and discuss some additional constraints on the stability scenario when a high…

Nuclear Theory · Physics 2013-07-10 L. Paulucci , J. E. Horvath , E. J. Ferrer , V. de la Incera

We consider an extended Nambu--Jona-Lasinio (NJL) model for the light meson sector of QCD where unphysical quark production thresholds are excluded by an infrared cut-off on the momentum integration within quark loop diagrams. This chiral…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Blaschke , G. Burau , M. K. Volkov , V. L. Yudichev

We implement the quark-meson coupling model in Daejeon Boltzmann-Uehling-Uhlenbeck (DJBUU) transport model and perform Au+Au collision simulations at intermediate energies. Results are compared with simulations using a conventional quantum…

Nuclear Theory · Physics 2026-03-31 Dae Ik Kim , Chang-Hwan Lee , Kyungil Kim , Youngman Kim , Sangyong Jeon , Kazuo Tsushima
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