Upper limits on the polarized isotropic stochastic gravitational-wave background from advanced LIGO-Virgo's first three observing runs

doi:10.1088/1475-7516/2023/02/026

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	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.