作者
Valentina Salvatelli, Andrea Marchini, Laura Lopez-Honorez, Olga Mena
发表日期
2013/7/15
期刊
Physical Review D—Particles, Fields, Gravitation, and Cosmology
卷号
88
期号
2
页码范围
023531
出版商
American Physical Society
简介
We present new constraints on coupled dark energy from the recent measurements of the cosmic microwave background anisotropies from the Planck satellite mission. We found that a coupled dark energy model is fully compatible with the Planck measurements, deriving a weak bound on the dark matter–dark energy coupling parameter at 68% C.L. Moreover if Planck data are fitted to a coupled dark energy scenario, the constraint on the Hubble constant is relaxed to , solving the tension with the Hubble Space Telescope (HST) value. We show that a combined analysis provides significant evidence for coupled dark energy finding a nonzero value for the coupling parameter , with at 95% C.L. We also consider the combined constraints from the Planck data plus the baryon acoustic oscillation measurements of the 6dF Galaxy Survey, the Sloan …
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学术搜索中的文章
V Salvatelli, A Marchini, L Lopez-Honorez, O Mena - Physical Review D—Particles, Fields, Gravitation, and …, 2013