Séminaire / Seminar GReCO |
| « Quartessence models: A unified point of view » |
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H. Velten |
| Quartessence models are a phenomenological way to explain dark energy and dark mater as a single fluid. The two main candidates for this scenary are the Chaplygin Gas and the Bulk Viscous Fluid, which is a fluid with dissipative correction in its equation of state. We discuss the background and perturbative dynamics of these models and show recent results obtained from observational data. |
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lundi 12 octobre 2009 - 11:00 Salle des séminaires Évry Schatzman Institut d'Astrophysique de Paris |
| Pages web du séminaire / Seminar's webpage |