揭示μ-Hz频率下的引力宇宙
天体物理仪器与方法
2021-11-10 v1 高能天体物理现象
广义相对论与量子宇宙学
摘要
我们提出一个空间干涉仪，巡测毫赫兹至μ-Hz频率范围内的引力波（GW）天空。到2040年代，介于激光干涉空间天线（LISA）与脉冲星计时阵列之间的μ-Hz频率带，将构成天体物理相关GW频谱覆盖中最大的空白。然而许多与天体物理和宇宙学相关的杰出问题，最好由该波段的GW观测来回答。我们表明，μ-Hz GW探测器将成为广大科学界真正的总体性观测站，极大拓展LISA的潜力。该仪器旨在以高信噪比探测大质量黑洞双星的早期旋进，以及银河系中的低频恒星双星，将成为从太阳系邻域到高红移宇宙多信使天文学的基石。
引用
@article{arxiv.1908.11391,
title = {Unveiling the Gravitational Universe at \mu-Hz Frequencies},
author = {Alberto Sesana and Natalia Korsakova and Manuel Arca Sedda and Vishal Baibhav and Enrico Barausse and Simon Barke and Emanuele Berti and Matteo Bonetti and Pedro R. Capelo and Chiara Caprini and Juan Garcia-Bellido and Zoltan Haiman and Karan Jani and Oliver Jennrich and Peter Johansson and Fazeel Mahmood Khan and Valeriya Korol and Astrid Lamberts and Alessandro Lupi and Alberto Mangiagli and Lucio Mayer and Germano Nardini and Fabio Pacucci and Antoine Petiteau and Alvise Raccanelli and Surjeet Rajendran and John Regan and Lijing Shao and Alessandro Spallicci and Nicola Tamanini and Marta Volonteri and Niels Warburton and Kaze Wong and Miguel Zumalacarregui},
journal= {arXiv preprint arXiv:1908.11391},
year = {2021}
}
备注
28 pages, 8 figures; White Paper submitted to ESA's Voyage 2050 call for papers on behalf of the LISA Consortium 2050 Task Force