paper

The Dynamics of Binary Neutron Star Mergers and of GW170817

arXiv:2002.03863 · doi:10.1146/annurev-nucl-013120-114541

Abstract

With the first observation of a binary neutron star merger through gravitational waves and light GW170817, compact binary mergers have now taken the center stage in nuclear astrophysics. They are thought to be one of the main astrophysical sites of production of r-process elements, and merger observations have become a fundamental tool to constrain the properties of matter. Here, we review our current understanding of the dynamics of neutron star mergers, in general, and of GW170817 in particular. We discuss the physical processes governing the inspiral, merger, and postmerger evolution, and we highlight the connections between these processes, the dynamics, and the multimessenger observables. Finally, we discuss open questions and issues in the field and the need to address them through a combination of better theoretical models and new observations.

24 pages, 7 figures, 150 of the 150 allowed references used. Invited review for Annual Reviews of Nuclear and Particle Science. Accepted author's version (not copy edited)

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