论文标题

核心 - 循环超新星及其祖细胞的流体动力学

Hydrodynamics of core-collapse supernovae and their progenitors

论文作者

Müller, B.

论文摘要

多维流体流动在大规模恒星的爆炸中起着至关重要的作用,这是核心偏转超新星。近年来,对这些现象的三维(3D)模拟已经显着成熟。通过中微子驱动的机制来识别冲击复兴的成分,已经取得了长足的进步,并且在许多自一致的3D模型中已经获得了成功的爆炸。但是,这些进步也带来了新的挑战。由于需要增加物理现实主义和有意义的模型验证,超新星理论现在正朝着更加集成的观点迈进,该观点在倒塌之前的晚期对流燃烧阶段中连接多维现象,爆炸引擎,爆炸引擎和混合超新星信封中的不稳定性。在这里,我们回顾了我们目前对核心崩溃超新星及其祖细胞中多-D流体流动的理解。我们首先概述了由核心偏转超新星和对流燃烧阶段的流体动力模拟所面临的具体挑战。然后,我们讨论理论和模拟中的最新进展和开放问题。

Multi-dimensional fluid flow plays a paramount role in the explosions of massive stars as core-collapse supernovae. In recent years, three-dimensional (3D) simulations of these phenomena have matured significantly. Considerable progress has been made towards identifying the ingredients for shock revival by the neutrino-driven mechanism, and successful explosions have already been obtained in a number of self-consistent 3D models. These advances also bring new challenges, however. Prompted by a need for increased physical realism and meaningful model validation, supernova theory is now moving towards a more integrated view that connects multi-dimensional phenomena in the late convective burning stages prior to collapse, the explosion engine, and mixing instabilities in the supernova envelope. Here we review our current understanding of multi-D fluid flow in core-collapse supernovae and their progenitors. We start by outlining specific challenges faced by hydrodynamic simulations of core-collapse supernovae and of the late convective burning stages. We then discuss recent advances and open questions in theory and simulations.

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