Warm asymmetric matter in the Quark Meson Coupling Model

Details Warm asymmetric matter in the Quark Meson Coupling Model Warm asymmetric matter in the Quark Meson Coupling Model

2003-06-13

arxiv.org/abs/nucl-th/0306045v1

Phys.Rev. C68 (2003) 015201

Physics

Nuclear Physics

Nuclear Theory

Accepted in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.68.015201

In this work we study the warm equation of state of asymmetric nuclear matter in the quark meson coupling model which incorporates explicitly quark degrees of freedom, with quarks coupled to scalar, vector and isovector mesons. Mechanical and chemical instabilities are discussed as a function of density and isospin asymmetry. The binodal section, essential in the study of the liquid-gas phase transition is also constructed and discussed. The main results for the equation of state are compared with two common parametrizations used in the non-linear Walecka model and the differences are outlined.

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