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Title: Perturbations of an expanding brane
Author: Buxton, Andrew
Awarding Body: University of Wales, Swansea
Current Institution: Swansea University
Date of Award: 2006
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Motivated by the study of the cosmology of brane-worlds we begin by inducing vacuum decay in a 4+1 space-time assuming that the most likely configuration possesses spherical symmetry, and interpret the wall between the two vacua as a thick brane. We then set out to deduce the spectrum of perturbations about this solution with a view to making predictions about the CMB powder spectrum of such a brane. However, we find that the instability of the spherically symmetric solution causes focusing of energy at the origin, which we suggest would result in black hole formation.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available