Study of nanohertz continuous gravitational waves based on pulsar timing array

纳赫兹连续引力波 (continuous gravitational waves, CWs) 是超大质量双黑洞系统 (Supermassive Black Hole Binaries,SMBHBs)演化的重要信息载体。脉冲星计时阵列(Pulsar Timing Array,PTA)通过精确测量毫秒脉冲星脉冲的到达时间,为探测 SMBHBs 产生的 CWs 提供了有效手段。本文回顾了PTA 搜寻纳赫兹连续引力波的研究进展,重点讨论了全天空搜寻和针对特定源 (如 3C 66B) 的目标搜索方法。研究表明,随着观测数据的积累和分析方法的优化,PTA 的探测灵敏度持续提升,模拟研究也初步验证了其探测连续引力波的可能性,为未来发现这类信号奠定了基础。这将为我们研究超大质量双黑洞的起源和演化、检验基础物理理论,以及开辟新的科学领域提供重要信息。

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Publication Details

Journal
Zhongguo kexue. Wulixue Lixue Tianwenxue
Published
2025-07-24
DOI
https://doi.org/10.1360/sspma-2025-0230
Primary Topic
Nonlinear Photonic Systems
Type
article
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article

Study of nanohertz continuous gravitational waves based on pulsar timing array

Jing Zou, Degang Zhao, J. P. Yuan, Jingbo Wang et al.
Zhongguo kexue. Wulixue Lixue Tianwenxue
Nonlinear Photonic Systems
article

Study of nanohertz continuous gravitational waves based on pulsar timing array

Jing Zou, Degang Zhao, J. P. Yuan, Jingbo Wang, Yirong Wen
article en

Abstract

纳赫兹连续引力波 (continuous gravitational waves, CWs) 是超大质量双黑洞系统 (Supermassive Black Hole Binaries,SMBHBs)演化的重要信息载体。脉冲星计时阵列(Pulsar Timing Array,PTA)通过精确测量毫秒脉冲星脉冲的到达时间,为探测 SMBHBs 产生的 CWs 提供了有效手段。本文回顾了PTA 搜寻纳赫兹连续引力波的研究进展,重点讨论了全天空搜寻和针对特定源 (如 3C 66B) 的目标搜索方法。研究表明,随着观测数据的积累和分析方法的优化,PTA 的探测灵敏度持续提升,模拟研究也初步验证了其探测连续引力波的可能性,为未来发现这类信号奠定了基础。这将为我们研究超大质量双黑洞的起源和演化、检验基础物理理论,以及开辟新的科学领域提供重要信息。

Zhongguo kexue. Wulixue Lixue TianwenxueVol. 56(1)
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Nonlinear Photonic Systems
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Study of nanohertz continuous gravitational waves based on pulsar timing array — Jing Zou, Degang Zhao, et al. · Zhongguo kexue. Wulixue Lixue Tianwenxue (2025) | TGRS Research Map | TGRS