Dark energy, gravitation and supernovae

Details Dark energy, gravitation and supernovae Dark energy, gravitation and supernovae

2007-04-09

arxiv.org/abs/0704.1058v2

Class.Quant.Grav.24:R91-R111,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Invited Topical Review (Class. Quan. Grav) 27 pages Journal link: http://stacks.iop.org/0264-9381/24/R91

Scientific paper

10.1088/0264-9381/24/11/R01

The discovery of the acceleration of the rate of expansion of the Universe fosters new explorations of the behavior of gravitation theories in the cosmological context. Either the GR framework is valid but a cosmic component with a negative equation of state is dominating the energy--matter contents or the Universe is better described at large by a theory that departs from GR. In this review we address theoretical alternatives that have been explored through supernovae.

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