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What is the dark energy paradigm?
Article first published online: 4 MAR 2010
Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Annalen der Physik
Volume 19, Issue 3-5, pages 219–229, April 2010
How to Cite
Polarski, D. (2010), What is the dark energy paradigm?. Ann. Phys., 19: 219–229. doi: 10.1002/andp.200910418
- Issue published online: 25 MAR 2010
- Article first published online: 4 MAR 2010
- Manuscript Accepted: 4 JAN 2010
- Manuscript Received: 15 NOV 2009
- Dark energy;
- accelerated expansion;
- modified gravity.
The present accelerated expansion of the universe is a major challenge for cosmology. Dark Energy models aim to explain this unconventional expansion. We have at the present time a large variety of models which are conceptually very different. We review here some of them, especially those based on a modification of the laws of gravity. Future high precision observations probing both the background and the perturbations will significantly reduce the class of viable models.