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Equation of state for simulations of core-collapse supernovae and neutron-star mergers

Shen, H.; Ji, F.; Hu, J. N.; Sumiyoshi, K.


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    <subfield code="a">&lt;p&gt;We construct a new equation of state (EOS) for numerical simulations of core-collapse&amp;nbsp;supernovae and neutron-star mergers based on an extended relativistic mean-field model&amp;nbsp;with a small symmetry energy slope L, which is compatible with both experimental nuclear&amp;nbsp;data and recent observations of neutron stars. The new EOS table (EOS4) based on the&amp;nbsp;extended TM1 (TM1e) model with L=40 MeV is designed in the same tabular form as&amp;nbsp;the commonly used Shen EOS (EOS2) based on the original TM1 model with L=110.8 MeV.&amp;nbsp;This is convenient and useful for performing numerical simulations and examining the&amp;nbsp;influences of symmetry energy and its density dependence on astrophysical phenomena.&amp;nbsp;&lt;/p&gt;

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