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Isospin asymmetry in nuclei, neutron stars and heavy-ion collisions |
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| Authors: | A W Steiner M Prakash J M Lattimer P J Ellis |
| Institution: | 1. Theoretical Division, Los Alamos National Laboratory, 87545, Los Alamos, NM, USA 2. Department of Physics and Astronomy, SUNY at Stony Brook, 11794-3800, Stony Brook, New York, USA 3. School of Physics and Astronomy, University of Minnesota, 55455-0112, Minneapolis, MN, USA |
| Abstract: | The roles of isospin asymmetry in nuclei and neutron stars are investigated using a range of potential and field-theoretical models of nucleonic matter. The parameters of these models are fixed by fitting the properties of homogeneous bulk matter and closed-shell nuclei. We discuss and unravel the causes of correlations among the neutron skin thickness in heavy nuclei, the pressure of beta-equilibrated matter at a density of 0.1 fm?3, and the radii of moderate mass neutron stars. The influence of symmetry energy on observables in heavy-ion collisions is summarized. |
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