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arXiv 2106.00699astro-ph.HEastro-ph.SRgr-qc
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恒星质量黑洞的形成通道

Formation channels of single and binary stellar-mass black holes

Michela Mapelli

摘要:

对于双黑洞(BBH)的研究来说,这是一个激动人心的时刻。LIGO和Virgo探测器正在逐步绘制一幅壮观的BBH质量、自旋和合并率的壁画。本文从恒星演化和动力学两个方面讨论了BBH的主要形成途径。对大质量恒星演化的认识(例如,恒星风、旋转、超射和核反应速率)、核心坍缩超新星和对不稳定性仍然阻碍着我们对黑洞(BH)的质量谱和自旋分布的理解,但在过去几年里,在该领域已经取得了实质性的进展。最重要的是,在一个二元系统中的质量传递效率和共同的信封物理实质上影响最终BBH人口统计。致密恒星系统中的动力学过程可以通过分级BH合并和多恒星碰撞触发质量隙中BH和中等质量BH的形成。最后,我们讨论了重建黑洞宇宙演化的重要性。

英文摘要:

These are exciting times for binary black hole (BBH) research. LIGO and Virgo detections are progressively drawing a spectacular fresco of BBH masses, spins and merger rates. In this review, we discuss the main formation channels of BBHs from stellar evolution and dynamics. Uncertainties on massive star evolution (e.g., stellar winds, rotation, overshooting and nuclear reaction rates), core-collapse supernovae and pair instability still hamper our comprehension of the mass spectrum and spin distribution of black holes (BHs), but substantial progress has been done in the field over the last few years. On top of this, the efficiency of mass transfer in a binary system and the physics of common envelope substantially affect the final BBH demography. Dynamical processes in dense stellar systems can trigger the formation of BHs in the mass gap and intermediate-mass BHs via hierarchical BH mergers and via multiple stellar collisions. Finally, we discuss the importance of reconstructing the cosmic evolution of BBHs.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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