Constraints on Kerr-Newman black holes from merger-ringdown gravitational-wave observations
Constraints on Kerr-Newman black holes from merger-ringdown gravitational-wave observations
复制标题
合并环衰引力波观测对克尔-纽曼黑洞的约束
作者：
Gregorio Carullo;D. Laghi;N. Johnson;W. Del Pozzo;Ó. J. Dias;M. Godazgar;Jorge E Santos
我们构造了一个模板来模拟存在剩余U（1）电荷的二元黑洞合并后的阶段。我们包括了在双黑洞合并过程中通常占主导地位的准正规模，（（cid：96），m，n）= {（2，2，0），（2，2，1）}，并给出了Kerr-Newman黑洞在自旋和电荷方面的准正规模频率的解析拟合，这里还包括（3，3，0）模。除了天体物理学的电荷，我们的模板可以容纳标准模型的扩展，例如暗光子。将该模型应用于LIGO-Virgo检测，我们发现我们无法从纯粹的合并后分析中区分带电和不带电的假设。然而，将质量和自旋限制在与完整信号分析兼容的值，我们得到第90百分位数界限<$q < 0。33的黑洞荷质比，对于最有利的情况GW 150914。在类似的假设下，通过模拟LIGO-Virgo网络在其设计灵敏度下观察到的典型大声信号，我们评估该模型仅对于值¥ q（cid：38）可以提供荷质比的稳健测量0。5;这里我们还假设模式振幅与创建模拟信号时的不带电情况相似。更低的值，低至<$q <$0。3，而不是可以检测时，评估合并前和合并后的排放量的一致性。
We construct a template to model the post-merger phase of a binary black hole coalescence in the presence of a remnant U (1) charge. We include the quasi-normal modes typically dominant during a binary black hole coalescence, ( (cid:96), m, n ) = { (2 , 2 , 0) , (2 , 2 , 1) } and also present analytical fits for the quasinormal mode frequencies of a Kerr-Newman black hole in terms of its spin and charge, here also including the (3 , 3 , 0) mode. Aside from astrophysical electric charge, our template can accommodate extensions of the Standard Model, such as a dark photon. Applying the model to LIGO-Virgo detections, we find that we are unable to distinguish between the charged and uncharged hypotheses from a purely post-merger analysis of the current events. However, restricting the mass and spin to values compatible with the analysis of the full signal, we obtain a 90th percentile bound ¯ q < 0 . 33 on the black hole charge-to-mass ratio, for the most favorable case of GW150914. Under similar assumptions, by simulating a typical loud signal observed by the LIGO-Virgo network at its design sensitivity, we assess that this model can provide a robust measurement of the charge-to-mass ratio only for values ¯ q (cid:38) 0 . 5; here we also assume that the mode amplitudes are similar to the uncharged case in creating our simulated signal. Lower values, down to ¯ q ∼ 0 . 3, could instead be detected when evaluating the consistency of the pre-merger and post-merger emission.
影响因子：
3.4
作者：
C. Hoy;V. Raymond
通讯作者：
C. Hoy;V. Raymond
影响因子：
6.4
作者：
V. Cardoso;Valentino F. Foit;M. Kleban
通讯作者：
V. Cardoso;Valentino F. Foit;M. Kleban
标量高斯邦尼重力中的后牛顿引力和标量波
影响因子：
3.5
作者：
Shiralilou, Banafsheh;Hinderer, Tanja;Nissanke, Samaya M;Ortiz, Néstor;Witek, Helvi
通讯作者：
Witek, Helvi