AffiliationUniv Arizona, Dept Phys, Program Appl Math
Univ Arizona, Dept Astron
large-scale structure of Universe
MetadataShow full item record
PublisherOXFORD UNIV PRESS
CitationThe linear growth of structure in the Rh = ct universe 2017, 464 (2):1966 Monthly Notices of the Royal Astronomical Society
Rights© 2016 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at email@example.com.
AbstractWe use recently published redshift space distortion measurements of the cosmological growth rate, f sigma(8)(z), to examine whether the linear evolution of perturbations in the R-h = ct cosmology is consistent with the observed development of large-scale structure. We find that these observations favour R-h = ct over the version of Lambda cold dark matter (Lambda CDM) optimized with the joint analysis of Planck and linear growth rate data, particularly in the redshift range 0 < z < 1, where a significant curvature in the functional form of f sigma(8)(z) predicted by the standard model-but not by R-h = ct-is absent in the data. When Lambda CDM is optimized using solely the growth rate measurements; however, the two models fit the observations equally well though, in this case, the low-redshift measurements find a lower value for the fluctuation amplitude than is expected in Planck Lambda CDM. Our results strongly affirm the need for more precise measurements of f sigma(8)(z) at all redshifts, but especially at z < 1.
VersionFinal published version
SponsorsChinese Academy of Sciences Visiting Professorships for Senior International Scientists [2012T1J0011]