Measuring the dark matter environments of black hole binaries with gravitational waves
Measuring the dark matter environments of black hole binaries with gravitational waves
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DOI：
10.1103/physrevd.105.043009
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发表时间：
2022-02-14
影响因子：
5
通讯作者：
Nichols, David A.
中科院分区：
文献类型：
--
作者：
Coogan, Adam;Bertone, Gianfranco;Nichols, David A.
大的暗物质超密度可以在天体物理和原始起源的黑洞周围形成，因为它们形成和成长。这种“黑暗的衣服”不可避免地影响了双星系统的动力学演化，并导致引力波形的失相，这可以用未来的干涉仪来探测。在本文中，我们介绍了一个新的分析模型，以快速计算引力波形的存在下，不断发展的暗物质分布。然后，我们提出了一个贝叶斯分析，确定何时可以区分打扮黑洞双星GR在真空中的，以及如何以及他们的参数可以测量，沿着如何接近他们必须是可检测的计划激光干涉仪空间天线（丽莎）。我们表明，丽莎可以明确区分黑暗的衣服从标准的二进制和表征周围的天体物理和原始黑洞的暗物质环境的模型参数范围很广。我们的方法可以推广到评估引力波物理学中其他环境效应的检测，分类和表征的前景。
Large dark matter overdensities can form around black holes of astrophysical and primordial origin as they form and grow. This "dark dress" inevitably affects the dynamical evolution of binary systems and induces a dephasing in the gravitational waveform that can be probed with future interferometers. In this paper, we introduce a new analytical model to rapidly compute gravitational waveforms in the presence of an evolving dark matter distribution. We then present a Bayesian analysis determining when dressed black hole binaries can be distinguished from GR-in-vacuum ones and how well their parameters can be measured, along with how close they must be to be detectable by the planned Laser Interferometer Space Antenna (LISA). We show that LISA can definitively distinguish dark dresses from standard binaries and characterize the dark matter environments around astrophysical and primordial black holes for a wide range of model parameters. Our approach can be generalized to assess the prospects for detecting, classifying, and characterizing other environmental effects in gravitational wave physics.