用原始黑洞解GW150914之谜
Solving puzzles of GW150914 by primordial black holes
摘要：
从LIGO引力波信号GW 150914推断出的黑洞双星性质提出了几个严重的问题。黑洞双星的高质量和低有效自旋可以解释为它们是原始的（PBH），而不是恒星双星演化的产物。这样的PBH属性是假设特设的，但不是来自基本理论。我们表明，PBH的必要功能自然遵循稍微修改的阿弗莱克-丁（AD）的重子生成机制。对数正态分布的PBH，AD范式内预测，调整，以提供一个丰富的人口低自旋恒星质量的黑洞。同样的分布给出了足够数量的快速生长的超大质量黑洞种子，在高红移观测，并可能包括一个可观的部分暗物质，这并不矛盾任何现有的观测限制。这种情况下的可测试的预测进行了讨论。
英文摘要：
The black hole binary properties inferred from the LIGO gravitational wave signal GW150914 posed several serious problems. The high masses and low effective spin of black hole binary can be explained if they are primordial (PBH) rather than the products of the stellar binary evolution. Such PBH properties are postulated ad hoc but not derived from fundamental theory. We show that the necessary features of PBHs naturally follow from the slightly modified Affleck-Dine (AD) mechanism of baryogenesis. The log-normal distribution of PBHs, predicted within the AD paradigm, is adjusted to provide an abundant population of low-spin stellar mass black holes. The same distribution gives a sufficient number of quickly growing seeds of supermassive black holes observed at high redshifts and may comprise an appreciable fraction of Dark Matter which does not contradict any existing observational limits. Testable predictions of this scenario are discussed.
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