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Thesis

Non-linear gravitational collapse in extended gravity theories

Abstract:

General Relativity (GR) is one theory amongst a wider range of plausible descriptions of the Universe. The aim of this thesis is to examine the behaviour of so-called screened theories, which are designed to avoid local tests of modified gravity (MG). We establish that these theories may be treated in a unified manner in the context of halo formation. A prerequisite for this is the clarification that the quasi-static approximation can be applied in cosmologically-plausible scenarios.

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author

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Department:
University of Oxford
Role:
Supervisor
Department:
University of Oxford
Role:
Supervisor
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
Language:
English
Keywords:
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UUID:
uuid:910fd25d-38e0-4bd4-84cf-bf5c196c8f99
Deposit date:
2018-06-30

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