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Title: Tracing the redshift evolution of Hubble parameter with gravitational-wave standard sirens
Authors: Nishizawa, Atsushi
Taruya, Atsushi  kyouindb  KAKEN_id
Saito, Shun
Author's alias: 西澤, 篤志
Issue Date: Apr-2011
Publisher: American Physical Society
Journal title: Physical Review D
Volume: 83
Issue: 8
Thesis number: 084045
Abstract: Proposed space-based gravitational-wave detectors such as BBO and DECIGO can detect ∼10[6] neutron star (NS) binaries and determine the luminosity distance to the binaries with high precision. Combining the luminosity distance and electromagnetically derived redshift, one would be able to probe cosmological expansion out to high redshift. In this paper, we show that the Hubble parameter as a function of redshift can be directly measured with monopole and dipole components of the luminosity distance on the sky. As a result, the measurement accuracies of the Hubble parameter in each redshift bin up to z=1 are 3–14%, 1.5–8%, and 0.8–4% for the observation time 1 yr, 3 yr, and 10 yr, respectively.
Rights: © 2011 American Physical Society
DOI(Published Version): 10.1103/PhysRevD.83.084045
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