引力波的恒星干涉测量
Stellar Interferometry for Gravitational Waves
摘要：
我们提出了一种新的方法来检测引力波，基于空间相干干涉与恒星光，而不是传统的时间相干干涉与激光源。所提出的方法检测引力波，使用两个相干光束从一个遥远的恒星测量在单独的天基探测器与长基线。该方法既可用于振幅干涉测量，也可用于强度干涉测量。该实验允许在$10^{-6}$至$10^{-4}$ Hz的较低频率范围内搜索引力波。在这项工作中，我们提出了建议恒星干涉仪的探测灵敏度，考虑到探测器的响应和拍摄和加速噪声。此外，本文还讨论了该实验装置在寻找原始黑洞和研究目标中子星大小方面的应用。
英文摘要：
We propose a new method to detect gravitational waves, based on spatial coherence interferometry with stellar light, as opposed to the conventional temporal coherence interferometry with laser sources. The proposed method detects gravitational waves by using two coherent beams of light from a single distant star measured at separate space-based detectors with a long baseline. This method can be applied to either the amplitude or intensity interferometry. This experiment allows for the search of gravitational waves in the lower frequency range of $10^{-6}$ to $10^{-4}$ Hz. In this work, we present the detection sensitivity of the proposed stellar interferometer by taking the detector response and shot and acceleration noises into account. Furthermore, the proposed experimental setup is capable of searching for primordial black holes and studying the size of the target neutron star, which are also discussed in the paper.
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