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The Dynamics of Binary Neutron Star Mergers and GW170817
Annual Review of Nuclear and Particle Science ( IF 12.4 ) Pub Date : 2020-10-19 , DOI: 10.1146/annurev-nucl-013120-114541
David Radice 1 , Sebastiano Bernuzzi 1 , Albino Perego 1
Affiliation  

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.

中文翻译:

双中子星合并和GW170817的动力学

随着首次通过引力波和光 GW170817 观察到双中子星并合,致密双中子并合现已成为核天体物理学的中心舞台。它们被认为是产生 r 过程元素的主要天体物理场所之一,并且合并观测已成为限制物质特性的基本工具。在这里,我们回顾了我们目前对中子星合并动力学的一般理解,特别是对 GW170817 的理解。我们讨论了控制激励、合并和合并后演化的物理过程,并强调了这些过程、动力学和多信使可观测值之间的联系。最后,
更新日期:2020-10-19
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