论文标题
月球重力波天线
Lunar Gravitational-Wave Antenna
论文作者
论文摘要
通过重力波激发的弹性体的振动本征象监测是用于检测引力波的第一个概念之一。在实验室规模上，这些实验被称为约瑟夫·韦伯（Joseph Weber）在1960年代首次开发的谐振杆探测器。由于这些条的尺寸，靶向信号频率在KHz范围内。韦伯还指出，对地球或月球振动的监测可能会揭示MHz带中的重力波。他的月球表面重量表实验由Apollo 17机组人员部署在月球上，使数据失败，使数据毫无用处。在本文中，我们重新审视了这个想法，并提出了月球重力波天线（LGWA）。我们发现，LGWA可以成为与太空传播，激光间探测器LISA联合观察的重要合作伙伴观测站，同时由于LGWA的独特特征，也为独立的科学案例做出了独立的科学案例。需要克服技术挑战，用于部署实验，而开发惯性振动传感器技术为这种令人兴奋的检测器概念提供了未来的道路。
Monitoring of vibrational eigenmodes of an elastic body excited by gravitational waves was one of the first concepts proposed for the detection of gravitational waves. At laboratory scale, these experiments became known as resonant-bar detectors first developed by Joseph Weber in the 1960s. Due to the dimensions of these bars, the targeted signal frequencies were in the kHz range. Weber also pointed out that monitoring of vibrations of Earth or Moon could reveal gravitational waves in the mHz band. His Lunar Surface Gravimeter experiment deployed on the Moon by the Apollo 17 crew had a technical failure rendering the data useless. In this article, we revisit the idea and propose a Lunar Gravitational-Wave Antenna (LGWA). We find that LGWA could become an important partner observatory for joint observations with the space-borne, laser-interferometric detector LISA, and at the same time contribute an independent science case due to LGWA's unique features. Technical challenges need to be overcome for the deployment of the experiment, and development of inertial vibration sensor technology lays out a future path for this exciting detector concept.
