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Detecting the beaming effect of gravitational waves
Torres-Orjuela, Alejandro1,2; Chen, Xian1,2; Cao, Zhoujian3; Amaro-Seoane, Pau2,3,4,5,6; Peng, Peng1
2019-09-23
Source PublicationPHYSICAL REVIEW D
ISSN2470-0010
Volume100Issue:6Pages:10
AbstractThe models currently used in the detection of gravitational waves (GWs) either do not consider a relative motion between the center of mass of the source and the observer or usually only consider its effect on the frequencies of GWs. However, it is known for light waves that a relative motion not only changes the frequencies but also the brightness of the source, the latter of which is called the "beaming effect." We investigate such an effect for GWs and find that the observed amplitude of a GW signal, unlike the behavior of light, is not a monotonic function of the relative velocity and responds differently to the two GW polarizations. We attribute the difference to a rotation of the wave vector, as well as a reorientation of the GW polarizations. We find that even for velocities as small as 0.25% of the speed of light, ignoring the aforementioned beaming effect could induce a systematic error that is larger than the designated calibration accuracy of LIGO. This error could lead to an incorrect estimation of the distance and orbital inclination of a GW source, or result in a spurious signal that appears to be incompatible with general relativity.
DOI10.1103/PhysRevD.100.063012
Language英语
Funding Project"985 Project" of Peking University ; National Science Foundation of China[11873022] ; National Science Foundation of China[11690023] ; National Science Foundation of China[11622546] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23040100] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB23010200] ; Ramon y Cajal Programme of the Ministry of Economy, Industry and Competitiveness of Spain ; COST Action GWverse[CA16104]
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000487735200005
PublisherAMER PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/35730
Collection应用数学研究所
Corresponding AuthorChen, Xian
Affiliation1.Peking Univ, Sch Phys, Astron Dept, Beijing 100871, Peoples R China
2.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Acad Math & Syst Sci, Inst Appl Math, Beijing 100190, Peoples R China
4.CSIC, Inst Space Sci ICE, Campus UAB, Barcelona 08193, Spain
5.IEEC, Campus UAB, Barcelona 08193, Spain
6.TU Berlin, Zentrum Astron & Astrophys, D-10623 Berlin, Germany
Recommended Citation
GB/T 7714
Torres-Orjuela, Alejandro,Chen, Xian,Cao, Zhoujian,et al. Detecting the beaming effect of gravitational waves[J]. PHYSICAL REVIEW D,2019,100(6):10.
APA Torres-Orjuela, Alejandro,Chen, Xian,Cao, Zhoujian,Amaro-Seoane, Pau,&Peng, Peng.(2019).Detecting the beaming effect of gravitational waves.PHYSICAL REVIEW D,100(6),10.
MLA Torres-Orjuela, Alejandro,et al."Detecting the beaming effect of gravitational waves".PHYSICAL REVIEW D 100.6(2019):10.
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