奇特的致密天体：黑暗的白矮星
Exotic Compact Objects: The Dark White Dwarf
摘要：
几个暗物质模型考虑到了奇异的致密天体形成的有趣可能性。这些物体可能具有独特的特征，使它们与重子对应物区分开来。此外，对它们合并的引力波观测可能提供了一个潜在的完全隐藏的扇区的唯一直接窗口。在这里，我们将讨论暗白矮星，开始概述的微观物理模型和分析的宏观性质的标度关系，从非相对论性的限制。我们使用完整的相对论形式主义，以确认这些标度关系，并证明，黑暗的白矮星，如果他们存在，将有质量和潮汐变形，是非常不同的重子紧凑的对象。此外，最重要的是，我们证明了暗白矮星合并将被当前或计划中的引力观测站在粒子质量参数空间的几个数量级检测。最后，我们在中子星文献中发现了类似于紧性-Love关系和二元Love关系的普适关系。利用这些结果，我们表明，引力波的观测将限制构成这些对象的暗物质粒子的属性。
英文摘要：
Several dark matter models allow for the intriguing possibility of exotic compact object formation. These objects might have unique characteristics that set them apart from their baryonic counterparts. Furthermore, gravitational wave observations of their mergers may provide the only direct window on a potentially entirely hidden sector. Here we discuss dark white dwarfs, starting with an overview of the microphysical model and analytic scaling relations of macroscopic properties derived from the non-relativistic limit. We use the full relativistic formalism to confirm these scaling relations and demonstrate that dark white dwarfs, if they exist, would have masses and tidal deformabilities that are very different from those of baryonic compact objects. Further, and most importantly, we demonstrate that dark white dwarf mergers would be detectable by current or planned gravitational observatories across several orders of magnitude in the particle-mass parameter space. Lastly, we find universal relations analogous to the compactness-Love and binary Love relations in neutron star literature. Using these results, we show that gravitational wave observations would constrain the properties of the dark matter particles constituting these objects.
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