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相关论文: The Nuclear-Matter Response in the Quark String-fl…

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Based on an extended NJL model that treats baryons as clusters of quarks, we investigate the properties and microscopic structures of mixed phases for various types of first-order phase transitions in a unified manner, where the model…

核理论 · 物理学 2024-09-24 Cheng-Jun Xia , Toshiki Maruyama , Nobutoshi Yasutake , Toshitaka Tatsumi

The nucleon-nucleon ($NN$) potential is the residual interaction of the strong interaction in the low-energy region and is also the fundamental input to the study of atomic nuclei. Based on the non-perturbative properties of the quantum…

核理论 · 物理学 2024-10-02 Ke Nan , Jinniu Hu , Hong Shen , Ying Zhang

We review a molecular dynamics method for nucleon many-body systems called the quantum molecular dynamics (QMD) and our studies using this method. These studies address the structure and the dynamics of nuclear matter relevant to the…

核理论 · 物理学 2014-01-31 Toshiki Maruyama , Gentaro Watanabe , Satoshi Chiba

We investigate the phase transition in cold and dense quark matter in an intuitive way that shares common features of the effective model approaches. We first express the quasi-particle contribution to the thermodynamic potential with the…

高能物理 - 唯象学 · 物理学 2015-06-04 Kenji Fukushima

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…

核理论 · 物理学 2008-11-26 I. Zakout , H. R. Jaqaman

The quark exchange model is a simple realization of an adiabatic approximation to the strong-coupling limit of Quantum Chromodynamics (QCD): the quarks always coalesce into the lowest energy set of flux tubes. Nuclear matter is thus modeled…

核理论 · 物理学 2008-11-26 S. Gardner , C. J. Horowitz , J. Piekarewicz

A heavy quark placed in the medium modifies its specific heat. Using a renormalization group argument we show a low energy theorem in terms of the defect in the trace of the energy-momentum tensor which allows the unambiguous determination…

高能物理 - 唯象学 · 物理学 2025-01-10 E. Megias , E. Ruiz Arriola , L. L. Salcedo

It is shown that in ideal relativistic hydrodynamics a phase transition from hadron to quark and gluon degrees of freedom in the nuclear matter equation of state leads to a minimum in the excitation function of the transverse collective…

The improved quark mass density-dependent (IQMDD) model, which has been successfully used to describe the properties of both infinite nuclear matter and finite nuclei, is applied to investigate the properties of quark deconfinement phase…

核理论 · 物理学 2015-06-05 Chen Wu , Wei-Liang Qian , Yu-Gang Ma , Guo-Qiang Zhang , Sanjeev Kumar

The strong force that binds atomic nuclei is governed by the rules of Quantum Chromodynamics. Here we consider the suggestion the internal quark structure of a nucleon will adjust self-consistently to the local mean scalar field in a…

核理论 · 物理学 2021-05-27 Anthony W Thomas

In a model where a multiverse wavefunction explores a multitude of vacua with different symmetries and parameters, properties of universes closely related to ours can be understood by examining the consequences of small departures of…

天体物理学 · 物理学 2007-05-23 Craig J. Hogan

Quark matter may appear due to a hadronic-quark transition in the core of a hybrid star. Quarkyonic matter is an approach in which both quarks and nucleons appear as quasi-particles in a crossover transition, and provides an explicit…

高能天体物理现象 · 物理学 2020-07-22 Tianqi Zhao , James M. Lattimer

We investigate nuclear matter properties in the relativistic Brueckner approach. The in-medium on-shell T-matrix is represented covariantly by five Lorentz invariant amplitudes from which we deduce directly the nucleon self-energy. To…

核理论 · 物理学 2009-10-31 T. Gross-Boelting , C. Fuchs , Amand Faessler

We study in detail the nuclear aspects of a neutron-star merger in which deconfinement to quark matter takes place. For this purpose, we make use of the Chiral Mean Field (CMF) model, an effective relativistic model that includes…

高能天体物理现象 · 物理学 2020-03-16 Elias R. Most , L. Jens Papenfort , Veronica Dexheimer , Matthias Hanauske , Horst Stöcker , Luciano Rezzolla

We present variational Monte Carlo calculations of the neutron matter equation of state using chiral nuclear forces. The ground-state wavefunction of neutron matter, containing non-perturbative many-body correlations, is obtained from…

核理论 · 物理学 2014-11-06 G. Wlazłowski , J. W. Holt , S. Moroz , A. Bulgac , K. J. Roche

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…

核理论 · 物理学 2026-03-27 Tsuyoshi Miyatsu , Myung-Ki Cheoun , Koichi Saito

The thermodynamic problem of a gas of static quarks carrying U(N) charges and interacting with each other via U(N) electric gauge fields is formulated and solved in the large N limit. In a lattice theory, the solution can be found in any…

高能物理 - 唯象学 · 物理学 2007-05-23 L. D. Paniak , G. W. Semenoff

We explore in more detail the modified quark meson coupling (MQMC) model in nuclear matter. Based on previous studies two different functional forms for the density dependence of the bag constant are discussed. For uniform matter…

核理论 · 物理学 2009-10-30 Horst Mueller , Byron K. Jennings

We present a model of fast hadronization of constituent quark matter in relativistic heavy ion collisions based on rate equations and capture cross sections in non-relativistic potential. We utilize a thermodynamically consistent approach…

高能物理 - 唯象学 · 物理学 2007-05-23 T. S. Biro , P. Levai , J. Zimanyi , C. T. Traxler

The properties of dense hadronic and quark matter and its relation to compact stars are discussed. In a bottom-up approach one starts with nuclear and hypernuclear physics at low density and extrapolates hadronic matter to large densities.…

天体物理学 · 物理学 2009-09-29 J. Schaffner-Bielich