Early dark energy and its interaction with dark matter

Early dark energy and its interaction with dark matter
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早期暗能量及其与暗物质的相互作用

DOI:
10.1103/physrevd.92.123537
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发表时间:
2014-12
期刊:
影响因子:
5
通讯作者:
Elcio Abdalla
Elcio Abdalla
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Bo-Yu Pu;Xiao-Dong Xu;Bin Wang;Elcio Abdalla

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我们研究了一类在宇宙早期具有大量暗能量的早期暗能量模型。在线性近似下,我们考察了早期暗能量涨落对结构生长和CMB功率谱的影响。此外,我们还研究了早期暗能量与暗物质的相互作用及其对结构生长和CMB的影响。通过面对不同的观测结果,我们最终约束了早期暗能量模型参数和暗扇区之间的耦合。
We study a class of early dark energy models which has substantial amount of dark energy in the early epoch of the universe. We examine the impact of the early dark energy fluctuations on the growth of structure and the CMB power spectrum in the linear approximation. Furthermore we investigate the influence of the interaction between the early dark energy and the dark matter and its effect on the structure growth and CMB. We finally constrain the early dark energy model parameters and the coupling between dark sectors by confronting to different observations.
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