According to the backreaction conjecture, cosmological structure formation
changes the expansion rate at late times, and can explain the observations
of accelerated expansion without any new fundamental physics. I discuss
the observational and theoretical status of this idea.
Fredagskollokvium: Breaking the symmetry: accelerated expansion without dark energy
Syksy Räsänen University researcher at the University of Helsinki, Department of Physics, Division of Particle Physics and Astrophysics
Publisert 16. sep. 2015 17:51
- Sist endret 22. feb. 2016 20:27