Journal
GENERAL RELATIVITY AND GRAVITATION
Volume 42, Issue 9, Pages 2177-2195Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-010-1051-z
Keywords
Cosmology; Weak gravitational lensing; Dark matter; Dark energy
Funding
- DOE [DE-FG02-95ER40899]
- NSF [AST-0807564]
- NASA [NNX09AC89G]
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Weak gravitational lensing is rapidly becoming one of the principal probes of dark matter and dark energy in the universe. In this brief review we outline how weak lensing helps determine the structure of dark matter halos, measure the expansion rate of the universe, and distinguish between modified gravity and dark energy explanations for the acceleration of the universe. We also discuss requirements on the control of systematic errors so that the systematics do not appreciably degrade the power of weak lensing as a cosmological probe.
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