DM4 - Self Gravitating Systems and Dark Matter |
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Speaker |
Cembranos, Jose |
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Coauthors |
Maroto, Antonio L.; Núñez-Jareño, Santos J.; Villarrubia-Rojo, Hector |
| Talk Title |
Dark Gravitons |
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Abstract |
First, we shall remark that the energy-momentum tensor of homogeneous fields of arbitrary spin in an expanding universe is always isotropic in average provided the fields remain bounded and evolve rapidly compared to the rate of expansion. In this sense, one can consider the behavior of a spin-two field in the standard Fierz-Pauli theory as a Dark Matter candidate. Then, we will discuss different phenomenological signatures associated with these dark gravitons, which arise in different high-energy theories such as extra-dimensional models or extensions of General Relativity. |
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Talk view |
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