Merging Neutron Stars and Black Holes as Sources of Gamma-Ray Bursts and Heavy Elements
H.-Th. Janka (MPI f. Astrophysik), M. Ruffert (Univ. of Edinburgh), T., Eberl (MPI f. Astrophysik)
TL;DR
This paper presents hydrodynamic simulations of neutron star mergers and neutron star-black hole mergers, exploring their roles as sources of gamma-ray bursts and heavy elements, while considering gravitational wave and neutrino emissions.
Contribution
It introduces detailed hydrodynamic simulations of NS-NS and NS-BH mergers using a realistic nuclear equation of state, including gravitational wave and neutrino effects.
Findings
Simulations show conditions conducive to gamma-ray burst production.
Neutron star mergers contribute to heavy element synthesis.
Gravitational wave and neutrino emissions are significant during mergers.
Abstract
Hydrodynamic simulations were performed of the dynamical phase of the merging of binary neutron stars (NS-NS) and of neutron star black hole binaries (NS-BH), using the physical nuclear equation of state of Lattimer and Swesty (1991) and taking into account the emission of gravitational waves and neutrinos.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Gamma-ray bursts and supernovae