Upper limits on the polarized isotropic stochastic gravitational-wave background from advanced LIGO-Virgo's first three observing runs | |
Jiang, Yang; Huang, Qing-Guo | |
刊名 | JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS |
2023 | |
期号 | 2页码:26 |
ISSN号 | 1475-7516 |
DOI | 10.1088/1475-7516/2023/02/026 |
英文摘要 | Parity violation is expected to generate an asymmetry between the amplitude of left and right-handed gravitational-wave modes which leads to a circularly polarized stochastic gravitational-wave background (SGWB). Due to the three independent baselines in the LIGO-Virgo network, we focus on the amplitude difference in strain power characterized by Stokes' parameters and do maximum-likelihood estimation to constrain the polarization degree of SGWB. Our results indicate that there is no evidence for the circularly polarized SGWB in the data. Furthermore, by modeling the SGWB as a power-law spectrum, we place upper limit on the normalized energy density Qgw(25 Hz) < 5.3 x 10-9 at 95% confidence level after marginalizing over the polarization degree and spectral index. |
学科主题 | Astronomy & Astrophysics ; Physics |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.itp.ac.cn/handle/311006/28106] |
专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
作者单位 | 1.[Jiang, Yang 2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China 3.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China 4.UCAS, Hangzhou Inst Adv Study, Sch Fundamental Phys & Math Sci, Hangzhou 310024, Peoples R China |
推荐引用方式 GB/T 7714 | Jiang, Yang,Huang, Qing-Guo. Upper limits on the polarized isotropic stochastic gravitational-wave background from advanced LIGO-Virgo's first three observing runs[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2023(2):26. |
APA | Jiang, Yang,&Huang, Qing-Guo.(2023).Upper limits on the polarized isotropic stochastic gravitational-wave background from advanced LIGO-Virgo's first three observing runs.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(2),26. |
MLA | Jiang, Yang,et al."Upper limits on the polarized isotropic stochastic gravitational-wave background from advanced LIGO-Virgo's first three observing runs".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .2(2023):26. |
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