引力波背景噪声与角平均灵敏度曲线统计损失的相关性
Correlation of Gravitational Wave Background Noises and Statistical Loss for Angular Averaged Sensitivity Curves
摘要：
引力波背景对分离的探测器产生相关噪声。与理想化的与噪声无关的网络相比，这种相关性可能会导致实际检测器网络的统计损失。假设的背景是各向同性的，我们研究的统计损失，特别是角平均灵敏度曲线，并推导出简单的表达式，依赖于重叠减少功能和强度的背景噪声相对于仪器噪声。对于未来的三角形干涉仪，如ET和LISA，我们还讨论了优选的网络几何形状，以抑制潜在的统计损失。
英文摘要：
Gravitational wave backgrounds generate correlated noises to separated detectors. This correlation can induce statistical losses to actual detector networks, compared with idealized noise-independent networks. Assuming that the backgrounds are isotropic, we examine the statistical losses specifically for the angular averaged sensitivity curves, and derive simple expressions that depend on the overlap reduction functions and the strength of the background noises relative to the instrumental noises. For future triangular interferometers such as ET and LISA, we also discuss preferred network geometries to suppress the potential statistical losses.
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