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CONSEQUENCES OF GRAVITATIONAL RADIATION RECOIL

机译:引力辐射线圈的后果

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Coalescing binary black holes experience an impulsive kick from anisotropic emission of gravitational waves. Recoil velocities are sufficient to eject most coalescing black holes from dwarf galaxies and globular clusters, which may explain the apparent absence of massive black holes in these systems. Ejection from giant elliptical galaxies would be rare, but coalescing black holes are displaced from the center and fall back on a timescale of order the half-mass crossing time. Displacement of the black holes transfers energy to the stars in the nucleus and can convert a steep density cusp into a core. Radiation recoil calls into question models that grow supermassive black holes from hierarchical mergers of stellar-mass precursors.
机译:聚结的二元黑洞会受到重力波各向异性发射的脉冲冲击。后坐力足以将大多数合并的黑洞从矮星系和球状星团中喷出,这可能解释了这些系统中显然没有大质量的黑洞。从巨大的椭圆形星系中射出是罕见的,但是合并的黑洞从中心移开,并以大约半质量穿越时间的时间尺度回落。黑洞的位移将能量转移到核中的恒星,并且可以将陡峭的密度尖端转换为核心。辐射后坐力使人们产生了疑问模型,这些问题模型通过恒星质量前兆的分层合并而形成超大质量黑洞。

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