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Redshift-space distortions as a probe of dark energy
(University of Western Cape, 2014)
We begin by finding a system of differential equations for the background and linearly perturbed variables in the standard, ɅCDM model, using the Einstein Field Equations, and then solving these numerically. Later, we ...
Testing gravity with redshift-space distortions, using MeerKAT and the SKA
(University of the Western Cape, 2019)
The growth rate of large-scale structure is a key probe of gravity in the accelerating
Universe. Standard models of Dark Energy within General Relativity predict essentially
the same growth rate, whereas Modified Gravity ...