Field theory model for dark matter and dark energy in interaction

被引:77
|
作者
Micheletti, Sandro [1 ]
Abdalla, Elcio [1 ]
Wang, Bin [2 ]
机构
[1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
基金
巴西圣保罗研究基金会;
关键词
EQUATION-OF-STATE; OBSERVATIONAL CONSTRAINTS; COSMOLOGICAL DYNAMICS; PRINCIPLE; TACHYON;
D O I
10.1103/PhysRevD.79.123506
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We propose a field theory model for dark energy and dark matter in interaction. Comparing the classical solutions of the field equations with the observations of the CMB shift parameter, baryonic acoustic oscillations, lookback time, and the Gold supernovae sample, we observe a possible interaction between dark sectors with energy decay from dark energy into dark matter. The observed interaction provides an alleviation to the coincidence problem.
引用
收藏
页数:8
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