Weak lensing: Dark Matter, Dark Energy and Dark Gravity

Details Weak lensing: Dark Matter, Dark Energy and Dark Gravity Weak lensing: Dark Matter, Dark Energy and Dark Gravity

2009-11-02

arxiv.org/abs/0911.0350v1

Nuclear Physics B (Proceedings Supplements) (2009), pp. 76-81

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Review paper for GGI Florence meeting on Dark Matter

Scientific paper

In this non-specialist review I look at how weak lensing can provide information on the dark sector of the Universe. The review concentrates on what can be learned about Dark Matter, Dark Energy and Dark Gravity, and why. On Dark Matter, results on the confrontation of theoretical profiles with observation are reviewed, and measurements of neutrino masses discussed. On Dark Energy, the interest is whether this could be Einstein's cosmological constant, and prospects for high-precision studies of the equation of state are considered. On Dark Gravity, we consider the exciting prospects for future weak lensing surveys to distinguish General Relativity from extra-dimensional or other gravity theories.

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