What do we really know about dark energy?

被引：24
|
作者：
Durrer, Ruth [1 ]
机构：
[1] CEA, SPhT, URA 2306, F-91191 Gif Sur Yvette, France
来源：
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2011年 / 369卷 / 1957期
基金：
瑞士国家科学基金会;
关键词：
dark matter; dark energy; cosmological observations; ACOUSTIC-OSCILLATIONS; POWER-SPECTRUM; DATA RELEASE; GRAVITY; CLUSTERS; MATTER;
D O I：
10.1098/rsta.2011.0285
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In this paper, we discuss what we truly know about dark energy. I shall argue that, to date, our single indication for the existence of dark energy comes from distance measurements and their relation to redshift. Supernovae, cosmic microwave background anisotropies and observations of baryon acoustic oscillations simply tell us that the observed distance to a given redshift z is larger than the one expected from a Friedmann-Lemaitre universe with matter only and the locally measured Hubble parameter.
引用
收藏
页码：5102 / 5114
页数：13
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