SIMBAD references

2021ApJ...910...96M - Astrophys. J., 910, 96-96 (2021/April-1)

Equation-of-state table with hyperon and antikaon for supernova and neutron star merger.

MALIK T., BANIK S. and BANDYOPADHYAY D.

Abstract (from CDS):

We develop a new equation-of-state (EOS) table involving thermal (anti)kaons, Bose-Einstein condensate of K– mesons, and Λ-hyperons for core-collapse supernova and neutron star merger simulations. This EOS table is based on a finite-temperature, density-dependent relativistic hadron field theory where baryon-baryon interaction is mediated by scalar σ, vector ω, and ρ mesons, using the parameter set DD2 for nucleons. The repulsive hyperon-hyperon interaction is mediated by an additional strange ph meson. The EOS for the K– condensed matter is also calculated within the framework of the relativistic mean field model, whereas the low-density, inhomogeneous matter is calculated in the extended nuclear statistical equilibrium model. The EOS table is generated for a wide range of values of three parameters-baryon density (10–12 to ∼1 fm–3), positive charge fraction (0.01-0.60), and temperature (0.1-158.48 MeV).

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Neutron stars - Nuclear astrophysics - Stellar mergers - Core-collapse supernovae

Simbad objects: 7

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