针对GW170104的黑洞双星定向数值模拟
广义相对论与量子宇宙学
2018-03-28 v2 星系天体物理
摘要
为响应LIGO对GW170104的观测,我们进行了一系列黑洞双星的全数值模拟,每个模拟旨在复现其动力学和辐射的可能实现。这些模拟以多种分辨率并使用两种独立技术求解爱因斯坦方程。对于非进动和进动模拟,我们证明了两种技术以模式对模式的方式一致,其精度大幅超过当前LIGO观测中的统计不确定性。反之,我们证明我们的全数值解包含未被常用于推断致密双星参数的近似唯象模型准确捕捉的信息。为量化这些差异对GW170104参数推断的具体影响,我们将模拟和这些近似模型的预测与LIGO对GW170104的观测进行比较。
引用
@article{arxiv.1712.05836,
title = {Targeted numerical simulations of binary black holes for GW170104},
author = {James Healy and Jacob Lange and Richard O'Shaughnessy and Carlos Lousto and Manuela Campanelli and Andrew Williamson and Yosef Zlochower and Juan Calderon Bustillo and James Clark and Christopher Evans and D. Ferguson and Sudarshan Ghonge and Karan Jani and Bhavesh Khamesra and Pablo Laguna and Deirdre M. Shoemaker and Alyssa Garcia and Michael Boyle and Daniel Hemberger and Lawrence Kidder and Prayush Kumar and Geoffrey Lovelace and Harald Pfeiffer and Mark Scheel and Saul Teukolsky},
journal= {arXiv preprint arXiv:1712.05836},
year = {2018}
}
备注
11 figures, 20 pages