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Constraining ultralarge-scale cosmology with multiple tracers in optical and radio surveys

Abstract:

Multiple tracers of the cosmic density field, with different bias, number and luminosity evolution, can be used to measure the large-scale properties of the Universe. We show how an optimal combination of tracers can be used to detect general-relativistic effects in the observed density of sources. We forecast for the detectability of these effects, as well as measurements of primordial non-Gaussianity and large-scale lensing magnification with current and upcoming large-scale structure exper...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1103/PhysRevD.92.063525

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Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
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Department:
Oriel College
Role:
Author
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review D Journal website
Volume:
92
Issue:
6
Pages:
063525
Publication date:
2015-09-25
DOI:
EISSN:
2470-0029
ISSN:
1550-2368
Pubs id:
pubs:532051
URN:
uri:77dac2a5-3532-4bb2-8c4c-5c4cd3f10867
UUID:
uuid:77dac2a5-3532-4bb2-8c4c-5c4cd3f10867
Local pid:
pubs:532051
Paper number:
ARTN 063525
Keywords:

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