论文标题
早期宇宙的信号：黑洞，引力波和粒子物理
Signals from the Early Universe: Black Holes, Gravitational Waves and Particle Physics
论文作者
论文摘要
我们将这一论点献给了来自宇宙原始时期的签名的研究。我们将特别关注原始黑洞（PBH），这可能是由通货膨胀期间产生的扰动形成的，可能包括宇宙中暗物质的一部分。在论文的第一部分中，我们将在形成时解决PBH特性，即它们的质量，旋转和丰度，并研究其生产过程中引力波（GW）信号的产生。在第二部分中，我们将描述PBHS在宇宙历史上的进化，这是由于它们在二进制中的组装，Baryonic质量积聚和聚类效应的阶段。然后，我们将讨论来自它们合并的GW签名，将这些预测与Ligo/处女座协作（LVC）检测到的当前GW数据进行比较，并评估未来GW实验（例如3G探测器和LISA）在发现这些物体中的作用。最后，在第三部分中，我们将研究早期宇宙中黑洞与基本物理学之间相互作用的某些方面，重点是GWS对其性质的作用。
We dedicate this thesis to the study of signatures coming from the primordial epochs of the universe. We will focus in particular on Primordial Black Holes (PBHs), which may be formed from perturbations generated during inflation and might comprise a fraction of the dark matter in the universe. In the first part of the thesis, we will address the PBH properties at the time of formation, that are their masses, spins and abundance, and investigate the generation of Gravitational Wave (GW) signals during their production. In the second part, we will describe the PBHs evolution across the cosmic history due to their assemble in binaries, phases of baryonic mass accretion and clustering effects. We will then discuss GW signatures coming from their coalescence, compare these predictions with present GW data detected by the LIGO/Virgo Collaboration (LVC) and assess the role of future GW experiments like 3G detectors and LISA in discovering these objects. Finally, in the third part, we will investigate some aspects of the interplay between black holes and fundamental physics in the early universe, focusing on the role of GWs to shed light on their properties.
