In this thesis we will work on scalar field models for dark matter and dark energy. In particular, we will study unified haloes by means of a static and spherically symmetric metric which leads to the anisotropic Tolman-Oppenheimer-Volkoff (TOV) equation. In this framework, we will develop a procedure which allows us to compute an unified density profile starting from a generic cold dark matter one, or, equivalently, from its rotation velocity. In particular, we will focus our attention on finding a suitable Lagrangian of a given type, which provides us with a microscopical description of the problem.
The Tolman-Oppenheimer-Volkoff equations in unified models of dark matter and dark energy
Bassi, Alberto
2020/2021
Abstract
In this thesis we will work on scalar field models for dark matter and dark energy. In particular, we will study unified haloes by means of a static and spherically symmetric metric which leads to the anisotropic Tolman-Oppenheimer-Volkoff (TOV) equation. In this framework, we will develop a procedure which allows us to compute an unified density profile starting from a generic cold dark matter one, or, equivalently, from its rotation velocity. In particular, we will focus our attention on finding a suitable Lagrangian of a given type, which provides us with a microscopical description of the problem.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/22544