Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2012/10/025
Keywords
gravity; cosmological parameters from LSS
Funding
- South African Square Kilometre Array Project
- STFC (U.K.) [ST/H002774/1]
- National Research Foundation (NRF, South Africa)
- Royal Society (U.K.)/NRF (S.A.)
- National Aeronautics and Space Administration
- STFC [ST/H002774/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/H002774/1] Funding Source: researchfish
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We extend previous analyses of wide-angle correlations in the galaxy power spectrum in redshift space to include all general relativistic effects. These general relativistic corrections to the standard approach become important on large scales and at high redshifts, and they lead to new terms in the wide-angle correlations. We show that in principle the new terms can produce corrections of nearly 10% on Gpc scales over the usual Newtonian approximation. General relativistic corrections will be important for future large-volume surveys such as SKA and Euclid, although the problem of cosmic variance will present a challenge in observing this.
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