论文标题
在重力波和脉冲星时测量上的超轻轴的烙印
Imprints of ultralight axions on the gravitational wave and pulsar timing measurement
论文作者
论文摘要
由强CP问题或弦理论的自然解决方案促进的轴突或轴突状粒子是有希望的暗物质候选者。我们研究了太空引力波检测器和射电望远镜对超轻轴突样颗粒的新观察效应。以中子星状孔二进制为例，我们证明了引力波形可以通过超增强过程形成的黑洞的轴云缓慢耗竭来改变重力波形。我们将这些对二进制的新作用与以暗物质和偶极辐射的方式进行了充分研究的效果，并以模型无关的方式进行了研究。最后，我们讨论了Ligo/Wigo的约束，并研究了Lisa和Tianqin的超轻轴突颗粒的可检测性。
The axion or axion-like particle motivated from a natural solution of strong CP problem or string theory is a promising dark matter candidate. We study the new observational effects of ultralight axion-like particles by the space-borne gravitational wave detector and the radio telescope. Taking the neutron star-black hole binary as an example, we demonstrate that the gravitational waveform could be obviously modified by the slow depletion of the axion cloud around the black hole formed through the superradiance process. We compare these new effects on the binary with the well-studied effects from dynamical friction with dark matter and dipole radiation in model-independent ways. Finally, we discuss the constraints from LIGO/Virgo and study the detectability of the ultralight axion particles at LISA and TianQin.
