论文标题
在黑洞合并期间，旋转引起的动力标量，去量表和隐身性
Spin-induced dynamical scalarization, de-scalarization and stealthness in scalar-Gauss-Bonnet gravity during black hole coalescence
论文作者
论文摘要
标量场与高斯 - 骨网之间的特殊耦合导致黑洞自发标量。在这里，我们继续在二进制黑洞系统的背景下进行模拟这种现象的工作。我们考虑了一个负耦合，黑洞旋转在标标产过程中起着重要作用。我们发现了两个主要现象：（i）动态降钙化，其中最初标量的黑洞形成了一个未钙化的残留物，以及（ii）动态标量，从而使最初未量化的黑洞的晚期合并会导致标量的头发生长。后一种情况的一个重要结果是，由于标量场而引起的重力波形的修改可能只会发生在合并后，因为它的存在在整个Inspiral中被隐藏了。但是，有了足够强的耦合，我们发现在残留物形成之前可能会发生标态。我们讨论了对广义相对性重力波测试的观察意义的讨论。
Particular couplings between a scalar field and the Gauss-Bonnet invariant lead to spontaneous scalarization of black holes. Here we continue our work on simulating this phenomenon in the context of binary black hole systems. We consider a negative coupling for which the black-hole spin plays a major role in the scalarization process. We find two main phenomena: (i) dynamical descalarization, in which initially scalarized black holes form an unscalarized remnant, and (ii) dynamical scalarization, whereby the late merger of initially unscalarized black holes can cause scalar hair to grow. An important consequence of the latter case is that modifications to the gravitational waveform due to the scalar field may only occur post-merger, as its presence is hidden during the entirety of the inspiral. However, with a sufficiently strong coupling, we find that scalarization can occur before the remnant has even formed. We close with a discussion of observational implications for gravitational-wave tests of general relativity.
