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典型文献
Hubble parameter estimation via dark sirens with the LISA-Taiji network
文献摘要:
The Hubble parameter is one of the central parameters in modern cosmology,and describes the present expansion rate of the universe.The values of the parameter inferred from late-time observations are systematically higher than those inferred from early-time measurements by about 10%.To reach a robust conclusion,independent probes with accuracy at percent levels are crucial.Gravitational waves from compact binary coalescence events can be formulated into the standard siren approach to provide an independent Hubble parameter measurement.The future space-borne gravitational wave observatory network,such as the LISA-Taiji network,will be able to measure the gravitational wave signals in the millihertz bands with unprecedented accuracy.By including several statistical and instrumental noises,we show that,within a five-year operation time,the LISA-Taiji network is able to constrain the Hubble parameter within 1%accuracy,and possibly beats the scatters down to 0.5%or even better.
文献关键词:
作者姓名:
Renjie Wang;Wen-Hong Ruan;Qing Yang;Zong-Kuan Guo;Rong-Gen Cai;Bin Hu
作者机构:
Department of Astronomy,Beijing Normal University,Beijing 100875,China;CAS Key Laboratory of Theoretical Physics,Institute of Theoretical Physics,Chinese Academy of Sciences,Beijing 100190,China;School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100049,China;College of Engineering Physics,Shenzhen Technology University,Shenzhen 518118,China;School of Fundamental Physics and Mathematical Sciences,Hangzhou Institute for Advanced Study,University of Chinese Academy of Sciences,Hangzhou 310024,China
引用格式:
[1]Renjie Wang;Wen-Hong Ruan;Qing Yang;Zong-Kuan Guo;Rong-Gen Cai;Bin Hu-.Hubble parameter estimation via dark sirens with the LISA-Taiji network)[J].国家科学评论(英文版),2022(02):47-57
A类:
millihertz
B类:
Hubble,estimation,via,dark,sirens,LISA,Taiji,network,one,central,parameters,modern,cosmology,describes,present,expansion,rate,universe,values,inferred,from,observations,are,systematically,higher,than,those,early,measurements,by,about,To,reach,robust,conclusion,independent,probes,accuracy,percent,levels,crucial,Gravitational,waves,compact,binary,coalescence,events,can,formulated,into,standard,approach,provide,future,space,borne,gravitational,observatory,such,will,able,signals,bands,unprecedented,By,including,several,statistical,instrumental,noises,we,show,that,within,five,year,operation,constrain,possibly,beats,scatters,down,better
AB值:
0.596406
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