Neutrino clustering in growing neutrino quintessence

被引:71
作者
Mota, D. F. [1 ]
Pettorino, V. [1 ]
Robbers, G. [1 ]
Wetterich, C. [1 ]
机构
[1] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany
关键词
D O I
10.1016/j.physletb.2008.03.060
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A growing neutrino mass can stop the dynamical evolution of a dark energy scalar field, thus explaining the "why now" problem. We show that such models lead to a substantial neutrino clustering on the scales of superclusters. Non-linear neutrino lumps form at redshift z approximate to 1 and could partially drag the clustering of dark matter. If observed, large scale non-linear structures could be an indication for a new attractive "cosmon force" stronger than gravity. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:160 / 164
页数:5
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