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Related papers: A quark-meson coupling model with short-range quar…

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We explore the equation of state for nuclear matter in the quark-meson coupling model, including full Fock terms. The comparison with phenomenological constraints can be used to restrict the few additional parameters appearing in the Fock…

Nuclear Theory · Physics 2015-11-30 D. L. Whittenbury , J. D. Carroll , A. W. Thomas , K. Tsushima , J. R. Stone

Using the quark-meson coupling model, we study the longitudinal response function for quasielastic electron scattering from nuclear matter within relativistic RPA. In QMC the coupling constant between the scalar meson and the nucleon is…

Nuclear Theory · Physics 2009-11-06 K. Saito

The effects of internal quark structure of baryons on the composition and structure of neutron star matter with hyperons are investigated in the quark-meson coupling (QMC) model. The QMC model is based on mean-field description of…

Astrophysics · Physics 2009-10-31 S. Pal , M. Hanauske , I. Zakout , H. Stöcker , W. Greiner

The effects of strong magnetic fields on neutron star matter are investigated in the quark-meson coupling (QMC) model. The QMC model describes a nuclear many-body system as nonoverlapping MIT bags in which quarks interact through…

Nuclear Theory · Physics 2008-11-26 P. Yue , H. Shen

We unite the dual quarkyonic model with the quark-meson coupling (QMC) model to construct a novel nuclear model based on the quark degrees of freedom, which can cover a wide range of nuclear density from low density to the crossover region.…

Nuclear Theory · Physics 2025-12-05 Koichi Saito , Tsuyoshi Miyatsu , Myung-Ki Cheoun

Short-range quark-quark correlations in hot nuclear matter are examined within the modified quark-meson coupling model (MQMC) by adding repulsive scalar and vector quark-quark interactions. Without these correlations, the bag radius…

Nuclear Theory · Physics 2008-11-26 I. Zakout , H. R. Jaqaman

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

The Quark--Meson--Coupling (QMC) model self-consistently relates the dynamics of the internal quark structure of a hadron to the relativistic mean fields arising in nuclear matter. It offers a natural explanation to some open questions in…

The quark mean field model, which describes the nucleon using the constituent quark model, is applied to investigate the properties of finite nuclei. The couplings of the scalar and vector mesons with quarks are made density dependent…

Nuclear Theory · Physics 2009-11-07 Y. H. Tan , H. Shen , P. Z. Ning

Using the volume coupling version of the cloudy bag model, the quark-meson coupling model is extended to study the role of pion field and the properties of nuclear matter. The extended model includes the effect of gluon exchange as well as…

Nuclear Theory · Physics 2008-11-26 S. Nagai , T. Miyatsu , K. Saito , K. Tsushima

We study the bound nucleon sigma term and the quark condensate in nuclear matter. In the quark-meson coupling (QMC) model the nuclear correction to the sigma term is small and negative, i.e., it decelerates the decrease of the quark…

Nuclear Theory · Physics 2008-11-26 K. Tsushima , K. Saito , A. W. Thomas , A. Valcarce

The improved quark mass density- dependent model which includes the coupling between the quarks and a non-linear scalar field is presented. Numerical analysis of solutions of the model is performed over a wide range of parameters. The wave…

Nuclear Theory · Physics 2009-11-11 Chen Wu , Wei Liang Qian , Ru-Keng Su

Using the quark-meson coupling (QMC) model, we study nuclear matter from the point of view of quark degrees of freedom. Performing a re-definition of the scalar field in matter, we transform QMC to a QHD-type model with a non-linear scalar…

Nuclear Theory · Physics 2009-11-07 Koichi Saito

We study the effects of strong magnetic fields on antikaon condensation in neutron star matter using the quark-meson coupling (QMC) model. The QMC model describes a nuclear many-body system as nonoverlapping MIT bags in which quarks…

Nuclear Theory · Physics 2008-11-26 P. Yue , H. Shen

An explicit quark model, based on a mean field description of non-overlapping nucleon bags bound by the self-consistent exchange of $\sigma$, $\omega$ and $\rho$ mesons, is used to investigate the properties of both nuclear and neutron…

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

An improved quark mass density- dependent model with the non-linear scalar sigma field and the $\omega$-meson field is presented. We show that the present model can describe saturation properties, the equation of state, the compressibility…

Nuclear Theory · Physics 2008-11-26 Chen Wu , Wei-Liang Qian , Ru-Keng Su

We investigate quarkyonic matter within a relativistic quark model by combining the dual quarkyonic picture with the quark-meson coupling (QMC) model. Using relativistic gaussian quark wavefunctions for the nucleon, we construct the…

Nuclear Theory · Physics 2026-03-27 Tsuyoshi Miyatsu , Myung-Ki Cheoun , Koichi Saito

The density dependence of the bag parameters is studied in a framework which links the Quark-Meson Coupling model and the field theory of hadrons for nuclear matter description. The EMC effect is treated in the dynamical rescaling…

Nuclear Theory · Physics 2009-09-25 R. Aguirre , M. Schvellinger

We investigate the role of short-range correlations in quark matter within the framework of the SU(2) NJL model. Employing a next-to-leading order expansion in 1/N_c for the quark self energy we construct a fully self-consistent model that…

Nuclear Theory · Physics 2008-11-26 Frank Froemel , Stefan Leupold

The quark-meson coupling model, based on a mean-field description of non-overlapping nucleon bags bound by the self-consistent exchange of $\sigma$, $\omega$ and $\rho$ mesons, is reviewed. In particular, I present the changes in the hadron…

Nuclear Theory · Physics 2007-05-23 Koichi Saito