Browsing by Author "Umeh, O"
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The effect of finite halo size on the clustering of neutral hydrogen.
Umeh, O; Maartens, R; Camera, S (IOP, 2021)Post-reionisation 21cm intensity mapping experiments target the spectral line of neutral hydrogen (HI) resident in dark matter haloes. According to the halo model, these discrete haloes trace the continuous dark matter ... -
Testing the equivalence principle on cosmological scales using the odd multipoles of galaxy cross-power spectrum and bispectrum
Koyama, K; Crittenden, R; Umeh, O (IOP, 2021)One of the cornerstones of general relativity is the equivalence principle. However, the validity of the equivalence principle has only been established on solar system scales for standard matter fields; this result ...