寄生黑洞：模糊暗物质孤子的吞噬
Parasitic black holes: the swallowing of a fuzzy dark matter soliton
摘要：
模糊暗物质是标准冷暗物质范式的一个令人兴奋的替代方案，再现了其大尺度预测，同时解决了小尺度观测的大部分现有紧张局势。这些模型假定暗物质是由轻玻色子构成的，并预测在晕的中心有一个孤立子核心--也被称为玻色子星，由波压支撑。然而，作为\emph{parasitic}超大质量黑洞宿主的孤子注定要被它们的客人吞噬。因此，详细了解吸积过程至关重要。在这项工作中，我们使用数值相对论自洽地解决玻色子星吸积的中心黑洞的问题，在球对称。我们确定了三个阶段的过程中，一个{ \it玻色子地震}，一个{ \it灾难性的阶段}和线性阶段，以及一个一般的准确表达式的玻色子星与内寄生黑洞的寿命。这些物体的寿命可以足够长，使它们能够存活到现在。
英文摘要：
Fuzzy dark matter is an exciting alternative to the standard cold dark matter paradigm, reproducing its large scale predictions, while solving most of the existing tension with small scale observations. These models postulate that dark matter is constituted by light bosons and predict the condensation of a solitonic core -- also known as boson star, supported by wave pressure -- at the center of halos. However, solitons which host a \emph{parasitic} supermassive black hole are doomed to be swallowed by their guest. It is thus crucial to understand in detail the accretion process. In this work, we use numerical relativity to self-consistently solve the problem of accretion of a boson star by a central black hole, in spherical symmetry. We identify three stages in the process, a {\it boson-quake}, a {\it catastrophic stage} and a linear phase, as well as a general accurate expression for the lifetime of a boson star with an endoparasitic black hole. Lifetimes of these objects can be large enough to allow them to survive until the present time.
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