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Lower Growth Rate from Recent Redshift Space Distortion Measurements than Expected from Planck

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Macaulay, E., Wehus, I. K., Eriksen, H. K.·2013·Physical Review Letters

Abstract

We perform a metastudy of recently published redshift space distortion (RSD) measurements of the cosmological growth rate, f(z)σ8(z). We analyze the latest results from the 6dFGS, BOSS, LRG, WiggleZ, and VIPERS galaxy redshift surveys, and compare the measurements to expectations from Planck. In this Letter we point out that the RSD measurements are consistently lower than the values expected from Planck, and the relative scatter between the RSD measurements is lower than expected. A full resolution of this issue may require a more robust treatment of nonlinear effects in RSD models, although the trend for a low σ8 agrees with recent constraints on σ8 and Ω(m) from Sunyaev-Zeldovich cluster counts identified in Planck.

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Metadata

Authors
Macaulay, E., Wehus, I. K., & Eriksen, H. K.
Venue
Physical Review Letters
Published
2013-10-14
Volume
111
Issue
16
Pages
161301-161301
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2051737331
Cited by
297
References
2
FWCI
10.03
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Lower Growth Rate from Recent Redshift Space Distortion Measurements than Expected from Planck. https://app.cochat.ai/papers/10.1103/physrevlett.111.161301
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Macaulay, E., Wehus, I. K., & Eriksen, H. K. (2013). Lower Growth Rate from Recent Redshift Space Distortion Measurements than Expected from Planck. Physical Review Letters. https://doi.org/10.1103/physrevlett.111.161301

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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