Beyond Newtonian cosmology

par Syksy Räsänen (Université de Genève)

jeudi 27 mai 2010, 11:00 → 12:00 Europe/Paris

Auditorium M. Vivargent (LAPTH)

It is common lore that Newtonian gravity is sufficient in cosmology for all scales smaller than the horizon, away from the vicinity of very dense objects. However, strictly speaking there is no Newtonian cosmology, only a family of cosmological generalisations of the Newtonian theory. I will discuss problems of the usual generalisations and an attempt towards a consistent post-Newtonian-like limit of general relativity in the cosmological setting.