Nuclear Matter Properties of the Modified Quark Meson Coupling Model

Details Nuclear Matter Properties of the Modified Quark Meson Coupling Model Nuclear Matter Properties of the Modified Quark Meson Coupling Model

1997-06-19

arxiv.org/abs/nucl-th/9706049v1

Nucl.Phys. A626 (1997) 966-986

Physics

Nuclear Physics

Nuclear Theory

27 pages in RevTex, 10 PostScript figures

Scientific paper

10.1016/S0375-9474(97)00600-3

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 distributions the MQMC model can be cast in a form identical to QHD by a redefinition of the sigma meson field. It is then clear that modifications similar to those introduced in QHD will permit the reproduction of all nuclear matter properties including the compressibility. After calibrating the model parameters at equilibrium nuclear matter density, the model and parameter dependence of the resulting equation of state is examined. Nucleon properties and scaling relations between the bag constant and the effective nucleon mass are discussed.

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