AI 中文总结
本文研究暗物质与中子星物质的相互作用对极端和中等质量比旋进引力波的影响，发现其存在独特特征，或可被天基探测器观测区分，为暗物质研究提供新途径。
AI 中文摘要
在致密暗物质分布中的极端和中等质量比旋进，其轨道动力学及系统发射的引力波会留下暗物质的印记。此前研究表明，天基引力波探测器可测量暗物质对引力波的诱导效应，这将为超大质量黑洞周围存在暗物质提供证据。在早期研究中，暗物质被假设仅存在引力相互作用（即无暗物质自湮灭，也无暗物质与普通重子或轻子物质的相互作用）。本文中，我们研究在包含中子星作为伴星的双星系统中引入暗物质自身相互作用或暗物质与普通物质相互作用时产生的引力波效应。我们考虑了广泛类别的暗物质模型，这些模型会改变暗物质的分布（如尖峰或湮灭平台），并允许暗物质吸积到伴星上，还考虑了旋进过程中中子星质量的增加或静态情况（除了动力学摩擦的纯引力效应外）。我们发现这些相互作用及自湮灭具有独特的引力波特征，在部分场景中，这些特征的强度足以让天基探测器通过对这些系统的引力波观测将其区分开来。
英文摘要
Extreme and intermediate mass-ratio inspirals in a dense dark-matter distribution have the effects of the dark matter imprinted on the orbital dynamics of and the emitted gravitational waves from these systems. Prior work has shown that space-based gravitational-wave detectors can measure the dark-matter-induced effects on the gravitational waves, which would give evidence for the presence of dark matter around the massive black hole. In this earlier work, the dark matter has been assumed to have only gravitational interactions (namely, no dark-matter self-annihilation or interactions between dark matter and ordinary baryonic or leptonic matter). In this article, we investigate the gravitational-wave effects of introducing such interactions of dark matter with itself or with ordinary matter in binaries with a neutron-star secondary. We consider broad classes of dark-matter models that change the distribution of dark matter (spikes or annihilation plateaus) and which permit accretion onto the secondary, as well as an increasing or static mass of the neutron star during the inspiral (in addition to the purely gravitational effect of dynamical friction). We find distinctive gravitational-wave signatures of these interactions and of self-annihilation, which in some of the scenarios could be sufficiently large for space-based detectors to distinguish them using gravitational-wave observations of these systems.
Comments20 pages, 7 figures, 2 tables
