期刊
REPORTS ON PROGRESS IN PHYSICS
卷 81, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6633/aa997e
关键词
dark energy; observational cosmology; large-scale structure
资金
- NSF [AST-1210974]
- DOE [DEFG02-95ER40899]
- NASA [NNX16AI41G]
The discovery of the accelerating universe in the late 1990s was a watershed moment in modern cosmology, as it indicated the presence of a fundamentally new, dominant contribution to the energy budget of the universe. Evidence for dark energy, the new component that causes the acceleration, has since become extremely strong, owing to an impressive variety of increasingly precise measurements of the expansion history and the growth of structure in the universe. Still, one of the central challenges of modern cosmology is to shed light on the physical mechanism behind the accelerating universe. In this review, we briefly summarize the developments that led to the discovery of dark energy. Next, we discuss the parametric descriptions of dark energy and the cosmological tests that allow us to better understand its nature. We then review the cosmological probes of dark energy. For each probe, we briefly discuss the physics behind it and its prospects for measuring dark energy properties. We end with a summary of the current status of dark energy research.
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