Stochastic backgrounds of gravitational wave and the detectability at TainQin

JIANG Yun; LIANG Zhengcheng; HU Yiming; WEI Dongdong

doi:10.13471/j.cnki.acta.snus.2020.11.14.2020B135

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Stochastic backgrounds of gravitational wave and the detectability at TainQin

Invited review | 更新时间：2023-11-01

- Stochastic backgrounds of gravitational wave and the detectability at TainQin
- Acta Scientiarum Naturalium Universitatis Sunyatseni Vol. 60, Issue 1, Pages: 53-61(2021)
- 作者机构：
  
  天琴计划”教育部重点实验室，中山大学天琴中心 & 物理与天文学院，天琴前沿科学中心，国家航天局引力波研究中心，广东珠海 519082
- 作者简介：
- 基金信息：
- DOI：10.13471/j.cnki.acta.snus.2020.11.14.2020B135
  CLC： P159.3
- Published：25 January 2021，
  
  Published Online：18 January 2021，
  
  Received：14 November 2020，
  
  Accepted：30 November 2020
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蒋贇,梁正程,胡一鸣等.随机引力波背景及天琴探测[J].中山大学学报(自然科学版),2021,60(01):53-61.

JIANG Yun,LIANG Zhengcheng,HU Yiming,et al.Stochastic backgrounds of gravitational wave and the detectability at TainQin[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2021,60(01):53-61.
蒋贇,梁正程,胡一鸣等.随机引力波背景及天琴探测[J].中山大学学报(自然科学版),2021,60(01):53-61. DOI： 10.13471/j.cnki.acta.snus.2020.11.14.2020B135.

JIANG Yun,LIANG Zhengcheng,HU Yiming,et al.Stochastic backgrounds of gravitational wave and the detectability at TainQin[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2021,60(01):53-61. DOI： 10.13471/j.cnki.acta.snus.2020.11.14.2020B135.

摘要

在毫赫兹频段附近存在着种类丰富的随机引力波源，主要来自原初宇宙和早期宇宙演化的过程，以及晚期宇宙各种天体物理过程产生的引力波的非相干叠加。天琴等空间引力波探测器在毫赫兹频段具有最好的灵敏度，因此空间引力波探测将帮助我们深入探知宇宙起源及其演化的细节；也有望成为探查超标准模型新物理的独特而有效的途径。本文将介绍多种随机引力波背景的产生机理以及简单评估天琴对随机引力波背景的探测能力。

Abstract

Near the milli-Hertz band there are stochastic gravitational wave background （SGWB） that can be generated from numerous sources， such as the primordial universe and the incoherent superposition of gravitational waves from astronomical sources. Given the strongest detectability for the SGWB at the order of the milli-Hertz frequencies， space-borne detectors of gravitational waves （e.g. TianQin） will help us to explore the origin of our universe， and it may also become a unique and efficient approach for probing new physics beyond the Standard Model. In this article we will discuss the production mechanism for various SGWBs and briefly assess the detectability for the SGWB at the TianQin.

关键词

引力波随机引力波背景宇宙演化天琴计划

Keywords

gravitational wavesstochastic backgrounds of gravitational wavesuniverse evolutionTianQin

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