Isovector Channel Role of Relativistic Mean Field Models in the Neutrino Mean Free Path

Details Isovector Channel Role of Relativistic Mean Field Models in the Neutrino Mean Free Path Isovector Channel Role of Relativistic Mean Field Models in the Neutrino Mean Free Path

2005-12-27

arxiv.org/abs/nucl-th/0512093v1

Phys.Rev.C72:065801,2005

Physics

Nuclear Physics

Nuclear Theory

20 pages, 8 figures

Scientific paper

10.1103/PhysRevC.72.065801

An improvement in the treatment of the isovector channel of relativistic mean field (RMF) models based on effective field theory (E-RMF) is suggested, by adding an isovector scalar (delta) meson and using a similar procedure to the one used by Horowitz and Piekarewicz to adjust the isovector-vector channel in order to achieve a softer density dependent symmetry energy of the nuclear matter at high density. Their effects on the equation of state (EOS) at high density and on the neutrino mean free path (NMFP) in neutron stars are discussed.

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