Quark-Meson Coupling Model, Nuclear Matter Constraints and Neutron Star Properties

Abstract

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 terms which are not present at Hartree level. Because the model is based upon the in-medium modification of the quark structure of the bound hadrons, it can be applied without additional parameters to include hyperons and to calculate the equation of state of dense matter in beta-equilibrium. This leads naturally to a study of the properties of neutron stars, including their maximum mass, their radii and density profiles.

Updated version which is equivalent to the final published version (Phys. Rev. C 89, 065801 (2014)). Contains 50 pages, 2 tables and 10 figures

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• Finite Nuclei in the Quark-Meson Coupling (QMC) Model
• Equation of state for neutron stars with hyperons and quarks in relativistic Hartree-Fock approximation
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• Hypernuclei and the hyperon problem in neutron stars
• Higher mass limits of neutron stars from the equation of states in curved spacetime
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• Magnetic moments of the octet, decuplet, low-lying charm, and low-lying bottom baryons in a nuclear medium
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• The outer crust of a cold, non-accreting neutron star within the Quark-Meson Coupling (QMC) model
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• Effects of phase transition in hybrid stars from quark-meson coupling hadronic matter to deconfined quark matter
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• A dual description of quarks and baryons: Quarkyonic matter within a relativistic quark model