Fan Huang, Yan-Chen Bi, Zhoujian Cao, Qing-Guo Huang
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引用次数: 0
摘要
在激光干涉仪空间天线（LISA）的频段内，对银河系内银河双星产生的前景混淆噪声的影响进行了广泛的研究。此外，最近由 NANOGrav、EPTA、PPTA、CPTA 和 InPTA 公布的随机信号证据表明，超大质量黑洞双星（SMBHBs）产生的随机引力波背景（SGWB）会在 LISA 波段内产生强大的背景噪声。鉴于这种强噪声的存在，预计会对 LISA 的科学任务产生重大影响。在这项研究中，我们研究了 SMBHB 产生的 SGWB 对 LISA 检测单个大质量黑洞双星、验证星系双星和极端质量比吸气的影响。我们发现必须解决和消除来自 SGWB 的过量噪声，以保证 LISA 任务的成功。
Impacts of gravitational-wave background from supermassive black hole binaries on the detection of compact binaries by LISA* * Supported by the NSFC (12250010, 11991052) and Key Research Program of Frontier Sciences, CAS, (ZDBS-LY-7009)
In the frequency band of the Laser Interferometer Space Antenna (LISA), extensive research has been conducted on the impact of foreground confusion noise generated by galactic binaries within the Milky Way Galaxy. Additionally, recent evidence of a stochastic signal, announced by the NANOGrav, EPTA, PPTA, CPTA, and InPTA, indicates that the stochastic gravitational-wave background (SGWB) generated by supermassive black hole binaries (SMBHBs) can contribute strong background noise within the LISA band. Given the presence of such strong noise, it is expected to have significant impacts on LISA's scientific missions. In this study, we investigate the impacts of the SGWB generated by SMBHBs on the detection of individual massive black hole binaries, verified galactic binaries, and extreme mass ratio inspirals in the context of LISA. We find it essential to resolve and eliminate the excess noise from the SGWB to guarantee the success of LISA's missions.
期刊介绍：
Chinese Physics C covers the latest developments and achievements in the theory, experiment and applications of:
Particle physics;
Nuclear physics;
Particle and nuclear astrophysics;
Cosmology;
Accelerator physics.
The journal publishes original research papers, letters and reviews. The Letters section covers short reports on the latest important scientific results, published as quickly as possible. Such breakthrough research articles are a high priority for publication.
The Editorial Board is composed of about fifty distinguished physicists, who are responsible for the review of submitted papers and who ensure the scientific quality of the journal.
The journal has been awarded the Chinese Academy of Sciences ‘Excellent Journal’ award multiple times, and is recognized as one of China''s top one hundred key scientific periodicals by the General Administration of News and Publications.
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