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Title: Cosmology with power spectrum measurements from galaxy surveys
Author: Macaulay, Edward Robert Mark
ISNI:       0000 0004 2739 6180
Awarding Body: University of Oxford
Current Institution: University of Oxford
Date of Award: 2012
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The nature of dark matter and dark energy are currently two of the most important questions in cosmology. In this thesis, we consider studying the dark universe with the redshifts and peculiar velocities of galaxies. In the first half of the thesis, we analyse current peculiar velocity measurements of the bulk flow of our local volume to estimate the underlying dark matter power spectrum. In the second half of the thesis, we consider the prospects for measuring dark matter and dark energy with future galaxy redshift surveys, particularly via redshift space distortions. Fundamentally, bulk flow measurements and redshift space distortions are both sensitive probes of the power spectrum and growth rate of cosmic structure. In the final chapter, we directly compare power spectrum measurements with both methods.
Supervisor: Dalton, Gavin ; Ferreira, Pedro Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Astrophysics ; Astrophysics (theoretical) ; cosmology ; dark energy ; dark matter ; galaxies ; peculiar velocities