Properties of asymmetric nuclear matter in different approaches

Abstract

Properties of asymmetric nuclear matter are derived from various many-body approaches. This includes phenomenological ones like the Skyrme Hartree-Fock and relativistic mean field approaches, which are adjusted to fit properties of nuclei, as well as more microscopic attempts like the Brueckner-Hartree-Fock approximation, a self-consistent Greens function method and the so-called $V_{lowk}$ approach, which are based on realistic nucleon-nucleon interactions which reproduce the nucleon-nucleon phase shifts. These microscopic approaches are supplemented by a density-dependent contact interaction to achieve the empirical saturation property of symmetric nuclear matter. The predictions of all these approaches are discussed for nuclear matter at high densities in $\beta$-equilibrium. Special attention is paid to behavior of the isovector component of the effective mass in neutron-rich matter.

16 pages, 7 figures

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Cited by in corpus (14)

• Density dependence of the nuclear symmetry energy: a microscopic perspective
• Asymmetric nuclear matter in a parity doublet model with hidden local symmetry
• Thermal properties of hot and dense matter with finite range interactions
• Surface properties of neutron-rich exotic nuclei: A source for studying the nuclear symmetry energy
• Relativistic Effects in Nuclear Matter and Nuclei
• Low-density homogeneous symmetric nuclear matter: disclosing dinucleons in coexisting phases
• Off-Shell Behavior of Nucleon Self-Energy in Asymmetric Nuclear Matter
• Symmetry energy properties of neutron-rich nuclei from the coherent density fluctuation model applied to nuclear matter calculations with Bonn potentials
• Nuclear Saturation with Low Momentum Interactions
• Separable form of low-momentum realistic NN interaction
• Aspects of approximation in modelling of the symmetry energy
• Single-Particle Spectrum of Pure Neutron Matter
• Nuclear Matter Equation of State and Three body Forces
• Three-body Force Effects on the Properties of Neutron-rich Nuclear Matter